Updated on 2024/12/18

 
OTSUBO Fumitaka
 
Scopus Paper Info  
Total Paper Count: 0  Total Citation Count: 0  h-index: 2

Citation count denotes the number of citations in papers published for a particular year.

Affiliation
Innovation Headquarters Center for Instrumental Analysis
Job
Associate Professor
External link

Research Interests

  • Materials Processing and Treatment

  • Material purification, melt / solidification, casting, crystal growth, microstructure control, various manufacturing processes

  • Materials Archeology

Research Areas

  • Nanotechnology/Materials / Material processing and microstructure control

  • Nanotechnology/Materials / Metals production and resources production

  • Humanities & Social Sciences / Archaeology  / 考古材料科学

Degree

  • Kyushu University  -  Doctor of Engineering   2000.01

Biography in Kyutech

  • 2022.04
     

    Kyushu Institute of Technology   Advanced Research and Social Cooperation Headquarters   Center for Instrumental Analysis   Associate Professor  

  • 2013.04
    -
    2022.03
     

    Kyushu Institute of Technology   Organization for Promotion of Research and Open Innovation   Center for Instrumental Analysis   Associate Professor  

Biography before Kyutech

  • 1990.04 - 1992.05   Sumitomo Metal Industries, Ltd.   Die Forgings Engineering Section, Auto & Construction Products Department, Osaka Steel Works   Technical Support Staff   Japan

Academic Society Memberships

  • 1989.04   Japan Foundry Engineering Society   Japan

  • 1993.04   Japan Thermal Spray Society   Japan

  • 1994.04   Japan Institute of Metals   Japan

  • 2012.04 - 2021.03   The Japan Society for Technology of Plasticity   Japan

  • 2006.04 - 2015.03   The Japan Institute of Light Metals   Japan

  • 2007.04 - 2011.03   The Japan Institute of Electronics Packageing   Japan

  • 1999.04 - 2015.03   Japan Welding Society   Japan

▼display all

Papers

  • Microstructure and Mechanical Properties of YAG Laser Welded Spheroidal Graphite Cast Iron Reviewed International journal

    Fumitaka Otsubo, Kiyotaka Fukumatsu

    Materials Transactions ( 公益社団法人 日本金属学会 )   65 ( 6 )   665 - 671   2024.05

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    Authorship:Lead author   Language:English   Publishing type:Research paper (scientific journal)

    DOI: 10.2320/matertrans.F-M2024807

  • YAGレーザ溶接した球状黒鉛鋳鉄の組織と機械的性質 Reviewed

    大坪 文隆

    鋳造工学 ( 公益社団法人 日本鋳造工学会 )   95 ( 11 )   608 - 614   2023.11

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    Authorship:Lead author, Corresponding author   Language:Japanese   Publishing type:Research paper (scientific journal)

    DOI: 10.11279 / jfes.95.608

  • Structures and hardness of materials formed by melting and liquid diffusion of Mg alloy substrate with pure Al surface<sup>+</sup> Reviewed

    Fumitaka Otsubo

    Materials Transactions   61 ( 8 )   1657 - 1662   2020.08

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    Scopus

    CiNii Article

    Other Link: https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85091701534&origin=inward

  • TEM analysis of whiskers formation over tin-plated films "jointly worked" Reviewed International journal

    Fumitaka Otsubo, Hidenori Era, Yutaka Tsuru, Shigeru Hirano

    Materials Chemistry and Physics   251   (2020) 122985   2020.04

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    DOI: 10.1016/j.matchemphys.2020.122985

  • 表面に純Al層を有するMg合金基材の溶融と液体拡散により生成する組織とその硬さ Reviewed

    大坪 文隆

    鋳造工学 ( 公益社団法人 日本鋳造工学会 )   92 ( 2 )   69 - 74   2020.01

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    <p>  In this study, pure Al powder was compression-molded on the surface of a flame-retardant Mg alloy plate, and integration of pure Al and Mg alloy was attempted by melting and solidification in air. In order to integrate different materials by liquid diffusion of metal elements, the structure, composition phase and hardness of the formed integrated materials were investigated.</p><p>  It was found that heating the specimens for 180s results in melting and liquid diffusion between Al and Mg. When heated and melted with pure Al down and Mg alloy up (Type B), shrinkage cavity was formed on the former Mg alloy side of the former Al/former Mg alloy interface. When heated at 450s, the specimen was composed of Al-Mg system stable phases of Al<sub>3</sub>Mg<sub>2</sub> and Al<sub>12</sub>Mg<sub>17</sub>, and Al-Mg system metastable phases of Al<sub>0.37</sub>Mg<sub>0.63</sub> and Al<sub>0.1</sub>Mg<sub>0.9</sub>. In Type A with pure Al up and Mg alloy down and Type B, stable phases of Al<sub>3</sub>Mg<sub>2</sub> and Al<sub>12</sub>Mg<sub>17</sub> were formed on the former Al side. The constituent phase of the former Mg alloy side was composed of metastable phases of Al<sub>0.37</sub>Mg<sub>0.63</sub> and Al<sub>0.1</sub>Mg<sub>0.9</sub>, but the structure morphologies of Type A and B differed near the surface of the former Mg alloy side, and the primary phase was Al<sub>0.37</sub>Mg<sub>0.63</sub> and Al<sub>0.1</sub>Mg<sub>0.9</sub> respectively. The final solidification phase consisted of eutectic phases of Al<sub>0.37</sub>Mg<sub>0.63</sub> and Al<sub>0.1</sub>Mg<sub>0.9</sub>. The hardness on the former Al side was about 250HV, and the hardness on the former Mg alloy side had decreased. Type B was evaluated to be lower than Type A.</p>

    DOI: 10.11279/jfes.92.69

    CiNii Article

    Other Link: https://ci.nii.ac.jp/naid/130007804110

  • 鋳鉄中に生成した球状黒鉛の構造と物性 Invited

    坪田俊樹,大坪文隆,佐野秀明,吉元昭二,梅谷拓郎,吉澤徳子

    炭素材料科学の進展 ( 日本学術振興会炭素材料第117委員会 )   2018.11

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  • Cladding of Al Layer onto Mild Steel Substrate Using Al Powder and Its Structure and Properties Reviewed

    59 ( 10 )   1585 - 1590   2018.10

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  • 溶射による表面改質技術 Invited

    大坪文隆

    月刊トライボロジー ( (株)新樹社 )   32 ( 8 )   43 - 45   2018.08

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  • Columnar Ferrite Structure in Cast Iron Formed by Decarburization of White Cast Iron Reviewed

    59 ( 8 )   1326 - 1332   2018.08

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    DOI: 10.2320 / matertrans.F-M2018822

  • 白鋳鉄の脱炭により形成された鋳鉄の柱状フェライト組織 Reviewed

    大坪文隆、松木康祐、恵良秀則、黒木英憲

    鋳造工学   90 ( 2 )   61 - 67   2018.02

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  • Columnar Ferrite Structure in Cast Iron Formed by Decarburization of White Cast Iron Reviewed

    Otsubo Fumitaka, Matsuki Kousuke, Era Hidenori, Kuroki Hidenori

    Journal of Japan Foundry Engineering Society ( Japan Foundry Engineering Society )   90 ( 2 )   61 - 67   2018.01

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    <p>  Cast iron objects such as axes and other artifacts excavated from ancient sites generally have a layered structure with columnar ferrite on the outside, changing to pearlite and ledeburite with increasing depth, together with a minor fraction of dispersed graphite; this structure is the result of the heat treatment used in the decarburization process. The formation of the columnar ferrite structure has previously been explained by assuming that cast iron was produced using a metal mold and then decarburized. </p><p>  In this study, in order to clarify this issue, decarburization experiments were performed on white cast iron. Part of a white cast iron block, containing the surface that had been in contact with the mold during casting, in addition to a cut surface, was heated to 1273K, held at that temperature for 96h, and then slowly cooled to 873K at 67K/h (for 6h). It was found that columnar ferrite crystals grew in the direction perpendicular to the surface regardless of the solidification direction. The ferrite structure did not have a uniform crystal orientation, similar to the case for partially decarburized ancient cast iron. Therefore, this clarified that the issue was a misunderstanding without materials scientific grounds. In addition, when white cast iron was decarburized at 1123K for 48h and cooled to 873K at 42K/h, the overall thickness of the decarburized layers was close to that for ancient artifacts. Therefore, it is likely that in ancient times, the same type of cast iron and heat treatment conditions were used.</p>

    DOI: 10.11279/jfes.90.61

    CiNii Article

    Other Link: https://ci.nii.ac.jp/naid/130006407089

  • Mg合金基板とその表面に成形したAl 圧粉層の溶融凝固材の組織と特性 Reviewed

    大坪 文隆, 大森 百合香, 佛木 大亮

    鋳造工学 全国講演大会講演概要集 ( 公益社団法人 日本鋳造工学会 )   172 ( 0 )   31 - 31   2018.01

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    DOI: 10.11279/jfeskouen.172_31

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    Other Link: https://ci.nii.ac.jp/naid/130007588168

  • Columnar ferrite structure in cast iron formed by decarburization of white cast iron<sup>+</sup> Reviewed

    Otsubo F., Matsuki K., Era H., Kuroki H.

    Materials Transactions   59 ( 8 )   1326 - 1332   2018.01

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    DOI: 10.2320/matertrans.F-M2018822

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    CiNii Article

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  • Cladding of al layer onto mild steel substrate using al powder and its structure and properties Reviewed

    Otsubo F., Era H.

    Materials Transactions   59 ( 10 )   1585 - 1590   2018.01

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  • 高周波誘導加熱による球状黒鉛鋳鉄の表面焼入れ性(共著) Reviewed

    徳永辰也、若菜凌、濱口主税、浦濱大地、岩川風、福永修大、丸山栄三郎、大坪文隆、恵良秀則

    溶射   54 ( 1 )   8 - 11   2017.01

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  • Al粉末を用いた軟鋼基材へのAl層のクラッド加工およびその組織と特性 Reviewed

    大坪 文隆, 恵良 秀則

    塑性と加工   58 ( 678 )   582 - 586   2017.01

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    <p>Pure aluminum powder with grain sizes of 45 to 10μm preformed on aluminum (A1050) and mild steel (SPCC)<tt> </tt>substrates were rolled to form cladding materials at room temperature in air. The partial rolling reduction of the Al cladding layer was smaller than that of the A1050 substrate in an Al powder/A1050 cladding sheet. In contrast, the partial rolling reduction of the Al cladding layer was larger than that of the SPCC substrate in an Al powder/SPCC cladding sheet. The difference in the partial rolling reduction of the cladding layers and SPCC substrates became smaller with increasing total rolling reduction of the Al powder/SPCC cladding sheets. The shear adhesion strength of the Al powder/SPCC cladding sheet was about 40MPa, which decreased to about 10MPa after heat treatment at 773K for 3.6ks. The intermetallic compounds were formed between the cladding layer and the substrate after heat treatment at 773K for 3.6ks. Also, the cladding layer showed excellent oxidation resistance compared with cast iron after heat treatment at 1073K for 36ks in air, though light oxidation occurred in specimens after heat treatment at 773K for 36ks in air.</p>

    DOI: 10.9773/sosei.58.582

    CiNii Article

    Other Link: https://ci.nii.ac.jp/naid/130005858702

  • Change in Eutectic Structure of AC4C Aluminum Alloy Castings Obtained by Solidification after Electric Current Melting by Use of Spot Welding Machine Reviewed

    Journal of Japan Foundry Engineering Society   87 ( 10 )   695 - 701   2015.10

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  • Change in Eutectic Structure of AC4C Aluminum Alloy Castings Obtained by Solidification after Electric Current Melting by Use of Spot Welding Machine Reviewed

    Otsubo Fumitaka, Matsunaga Yuuki, Era Hidenori

    Journal of Japan Foundry Engineering Society ( Japan Foundry Engineering Society )   87 ( 10 )   695 - 701   2015.01

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    <p>  The structure and hardness of aluminum alloy (JIS : AC4C) obtained by solidification after electric current melting by use of a spot welding machine were investigated focusing on structure formation through the loss of homogeneity and its properties. The molten area of the sample increased with increasing heat input and the columnar sample melted with further heat input. The center and outside areas of the samples exhibited a granular <i>α</i>-Al structure and fine eutectic structure, respectively. The fine structure with <i>α</i>-Al and eutectic phases of <i>α</i>-Al and Si formed in the whole area of the sample under a maximum heat input of 400J. The hardness of the outside area was generally higher than that of the center area, except when the heat input was maximum. It is found that the change in hardness with heat input was caused by the change in the area of the eutectic phase of <i>α</i>-Al and Si. The hardness of the outside area of the sample solidified under an appropriate heat input, e. g., 270J was twice as high as that of the as-cast ingot. Furthermore, the outside area of the appropriately solidified sample further hardened with the T5-heat treatment and the hardness was 50% higher compared to the center area. Thus the outside of the appropriately solidified sample, achieved by suitable heat input, markedly enhanced its hardness, bringing about the potential for wear resistant improvement. </p>

    DOI: 10.11279/jfes.87.695

    CiNii Article

    Other Link: https://ci.nii.ac.jp/naid/130005529567

  • Solidification Structure of Al-Cu and Sn-Cu-Sb Alloys Obtained by Casting through Induction Stirring Using Permanent Magnet Reviewed

    55 ( 5 )   806 - 812   2014.05

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    DOI: 10.2320/matertrans.F-M2014804

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    CiNii Article

  • Spheroidal Graphite Formation in Ni-C Alloy

    B4-1   2013.12

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    Taiwan   Taipei   2013.12.08  -  2013.12.11

  • Thermal Conduction Simulation and Structure Formation of SGI During Heating by Running Induction Coil

    B5-3   2013.12

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    Taiwan   Taipei   2013.12.08  -  2013.12.11

  • Reproduction of matallographic structure of ancient cast iron

    H-07 - H-07   2013.10

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    Japan   Nara   2013.10.10  -  2013.10.15

  • Microstructure and Heat Transfer Simulation of SGI Press Forming Dies by Induction Hardening

    36 - 38   2013.09

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    Japan   Muroran   2013.09.03  -  2013.09.08

  • Formation of Spheroidal Graphite in Nickel Alloy

    79 - 81   2013.09

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    Japan   Muroran   2013.09.03  -  2013.09.08

  • Measurement of Viscosity of Non-combustible Molten Magnesiumu Alloy "jointly worked" Reviewed

    Journal of Japan Foundry Engineering Society   83 ( 10 )   569 - 573   2011.10

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  • Crystallographic Observation for Au/Au Bond Interface by Ultrasonic Bonding Reviewed

    Journal of Japan Institute of Elactronics Packaging   12 ( 4 )   307 - 312   2009.07

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  • Crystallographic Observation for Au/Au Bond Interface by Ultrasonic Bonding Reviewed

    SOGAWA Mitsuomi, OTSUBO Fumitaka, YAMAGUCHI Tomiko, NISHIO Kazumasa, ERA Hidenori

    Journal of The Japan Institute of Electronics Packaging ( Japan Institute of Electronics Packaging )   12 ( 4 )   307 - 312   2009.07

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    A crystallography study and observation of microstructure were carried out on the joint of an Au ball and Au electrode formed using two modes of ultrasonic bonding which show differences under the life test. A non-bonded joint was seen on the samples using SEM observation. Also, it was found that the length of bonding of the LP sample, which was bonded using low ultrasonic output, was short compared with that of the HP sample, which was bonded using high ultrasonic output. From an analysis of the IPF image obtained using EBSD, the interface of the joint in the LP sample apparently retained the crystal orientation of the interface before bonding. However, {001} in the HP sample, the crystal grain formed parallel to the bonded plane in the newly formed large area without obvious interface from the joint. It was concluded from this that the crystal grain having the same axis as the Au ball formed in the Au electrode though the orientation was not obvious from SEM and TEM observation.

    DOI: 10.5104/jiep.12.307

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  • Sealing Oxides of Thermal sprayed Alumina Coating and Its Formation Process Reviewed

    OTSUBO Fumitaka, KOZASA Nobuhiro, SHINOZAKI Nobuya, ERA Hidenori, KISHITAKE Katsuhiko

    QUARTERLY JOURNAL OF THE JAPAN WELDING SOCIETY ( JAPAN WELDING SOCIETY )   26 ( 2 )   195 - 201   2008.12

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    The sealing of pores by a veined oxide in a thermal sprayed alumina coating with some kinds of metal particle was investigated by heating in air. Also, the oxide grew from the metallic substrate into an artificial pore in the alumina block was observed after heating in air. The sealing of pores arose by the spinel oxide in the alumina coating containing Ni, Co or NiCrAlY particles after heating at 1173K for 100h in air. The oxide grew from Ni substrate into the artificial pore in alumina block after heating at 1273K for 100h in air. The oxide formed from the Ni substrate in the pore consisted of NiO (core) and NiAl<sub>2</sub>O<sub>4</sub> spinel oxides. Also, the NiAl<sub>2</sub>O<sub>4</sub> spinel formed from the top of the grown oxide on the surface of the pore. The spinel oxide preferentially forms on the surface of the pore and the primary oxide of the metal occupies the remaining space in the pore.

    DOI: 10.2207/qjjws.26.195

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  • Sealing Oxides of Thermal Sprayed Alumina Coating and Its Formation Process Reviewed

    Quarterly Journal of the Japan Welding Society   26 ( 2 )   195 - 201   2008.04

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    Other Link: http://www.jweld.jp/quarterly/v26/v26n2-j.html

  • Formation of Ni3Al in Sprayed Coating of Ni-Al Composite Powder by Heat-Treatment Reviewed

    Journal of Japan Thermal Spray Society   44 ( 3 )   83 - 87   2007.07

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  • Super Elongation of High Purity Al-Si Alloy Castings Reviewed

    T. Ogawa,K. Kimura,Y. Koga,F. Otsubo,H. Era

    Proceedings of The 16th International Microscopy Congress   3   '1676 - 1676   2006.09

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  • Residual Stress Distribution in Thermally Sprayed Self-Fluxing Alloy Coatings Reviewed

    Journal of Japan Thermal Spray Society   43 ( 2 )   42 - 46   2006.04

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  • 固有ひずみ法による球状黒鉛鋳鉄溶接部の残留応力分布測定 Reviewed

    原田浩次,大坪文隆,寺崎俊夫,岸武勝彦

    鋳造工学   78 ( 1 )   9 - 13   2006.01

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    主要雑誌 代表的研究業績

  • Residual Stress Distribution in Thermally Sprayed Self-Fluxing Alloy Coatings Reviewed

    F.Otsubo,K.Kishitake,T.Terasaki

    Materials Transactions   46 ( 11 )   2473 - 2477   2005.11

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  • Corrosion Resistance of Fe-16%Cr-30%Mo-(C,B,P) Amorphous Coatings Sprayed by HVOF and APS Processes Reviewed

    F.Otsubo,K.Kishitake

    Materials Transactions   46 ( 1 )   80 - 83   2005.01

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  • Corrosion resistance of Fe-16%Cr-30%Mo-(C,B,P) amorphous coatings sprayed by HVOF and APS processes Reviewed

    Otsubo F., Kishitake K.

    Materials Transactions   46 ( 1 )   80 - 83   2005.01

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    DOI: 10.2320/matertrans.46.80

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  • Corrosion resistance of Fe-Cr-Mo-(C,B,P) amorphous coatings thermal sprayed by HVOF and APS processes Reviewed

    Otsubo F., Shimoda A., Era H., Kishitake K.

    Proceedings of the International Thermal Spray Conference   439 - 441   2004.12

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    Two kinds of Fe-16Cr-30Mo-(C,B,P) alloy powders of different composition were thermal sprayed onto mild steel using HVOF and APS processes. Perfect amorphous coating was formed by HVOF and APS processes in both powders. The corrosion potential of the amorphous coatings sprayed by HVOF process was higher and the passive current density was lower than that of the amorphous coatings sprayed by APS process in 1N HCl solution. The coatings of perfect amorphous phase were little corroded after one week immersion tests and the corrosion rates of the amorphous coatings showed a fairly less value of 0.03 mm/y compared with Inconel 625 plate in 5N HCl solution at room temperature.

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  • ブラスト処理したフェライト基地球状黒鉛鋳鉄の曲げ特性 Reviewed

    大坪文隆,岸武勝彦,寺崎俊夫

    鋳造工学   76 ( 6 )   469 - 472   2004.06

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    主要雑誌

  • Characterization of Blasted Austenitic Stainless Steel and Its Corrosion Resistance Reviewed

    F.Otsubo,K.Kishitake,T.Akiyama,T.Terasaki

    Journal of Thermal Spray Technology   12 ( 4 )   555 - 559   2003.12

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  • Characterization of blasted austenitic stainless steel and its corrosion resistance Reviewed

    Otsubo F., Kishitake K., Akiyama T., Terasaki T.

    Journal of Thermal Spray Technology   12 ( 4 )   555 - 559   2003.12

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    It is known that the corrosion resistance of stainless steel is deteriorated by blasting, but the reason for this deterioration is not clear. A blasted austenitic stainless steel plate (JIS-SUS304) has been characterized with comparison to the scraped and non-blasted specimens. The surface roughness of the blasted specimen is larger than that of materials finished with #180 paper. A martensite phase is formed in the surface layer of both blasted and scraped specimens. Compressive residual stress is generated in the blasted specimen and the maximum residual stress is formed at 50-100 μm from the surface. The corrosion potentials of the blasted specimen and subsequently solution treated specimen are lower than that of the non-blasted specimen. The passivation current densities of the blasted specimens are higher those of the non-blasted specimen. The blasted specimen and the subsequently solution treated specimen exhibit rust in 5% sodium chloride (NaCl) solution, while the non-blasted specimen and ground specimen do not rust in the solution. It is concluded that the deterioration of corrosion resistance of austenitic stainless steel through blasting is caused by the roughed morphology of the surface.

    DOI: 10.1361/105996303772082305

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  • 固有ひずみ法による球状黒鉛鋳鉄溶接部の残留応力分布測定

    原田浩次,大坪文隆,岸武勝彦,寺崎俊夫

    日本鋳造工学会鋳鉄材料研究部会研究報告92   110 - 114   2003.11

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    研究部会研究報告書

  • ブラスト処理によるオーステナイトステンレス鋼の耐食性劣化 Reviewed

    大坪文隆,秋山哲也,岸武勝彦,寺崎俊夫

    溶射   39 ( 3 )   '108-11 - -108-112   2002.07

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  • 高速フレーム溶射したFe-Cr-Mo-8P-2C 合金非晶質溶射皮膜の耐塩酸性 Reviewed

    大坪文隆,恵良秀則,岸武勝彦

    溶接学会論文集   19 ( 1 )   '54-5 - -54-59   2001.02

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  • Resistance to Hydrochloric Acid Solution of Fe-Cr-Mo-8P-2C Amorphous Coatings Sprayed by HVOF Process. Reviewed

    OTSUBO Fumitaka, ERA Hidenori, KISHITAKE Katsuhiko

    QUARTERLY JOURNAL OF THE JAPAN WELDING SOCIETY ( JAPAN WELDING SOCIETY )   19 ( 1 )   54 - 59   2001.02

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    Three kinds of Fe-8P-2C alloy powders containing 10 mass%Cr (10Cr), 20 mass%Cr (20Cr) and 10 mass%Cr-10 mass%Mo (10Mo), respectively, were thermally sprayed by a high velocity oxy-fuel (HVOF) process. The as-sprayed coatings of the 10Cr and 20Cr alloys are a mixture of an amorphous phase and a small quantity of crystalline phases, while as-sprayed coating of the 10Mo alloy is composed of only an amorphous phase. The anodic polarization curves of the coatings of the 10Cr and 20Cr alloys exhibited an activation-passivation transition in 1NHCl solution. On the other hand, the coating of the 10Mo allo, showed no active state and the lowest current density among the alloy coatings in the anodic polarization curve. The passive state of the coating of the 10Mo alloy was stable compared with the other coatings. The coating of the 10Mo alloy als, underwent no corrosion in 1NHCl solution at 0.5 and 1.0 V (vs. SCE), whereas Inconel 600 alloy plate was attacked remarkably.

    DOI: 10.2207/qjjws.19.54

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  • Properties of Cr3C2-NiCr Cermet Coating Sprayed by High Power Plasma and High Velocity Oxy-Fuel Processes Reviewed

    F.Otsubo,H.Era,T.Uchida,K.Kishitake

    Journal of Thermal Spray Technology   9 ( 4 )   499 - 504   2000.12

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  • Formation of Amorphous Fe-Cr-Mo-8P-2C Coatings by the High Velocity Oxy-Fuel Process Reviewed

    F.Otsubo,H.Era,K.Kishitake

    Journal of Thermal Spray Technology   9 ( 4 )   494 - 498   2000.12

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  • Properties of Cr<inf>3</inf>C<inf>2</inf>-NiCr cermet coating sprayed by high power plasma and high velocity oxy-fuel processes Reviewed

    Otsubo F., Era H., Uchida T., Kishitake K.

    Journal of Thermal Spray Technology   9 ( 4 )   499 - 504   2000.12

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    The structure, hardness, and shear adhesion strength have been investigated for Cr3C2-NiCr cermet coatings sprayed onto a mild steel substrate by 200 kW high power plasma spraying (HPS) and high velocity oxy-fuel (HVOF) processes. Amorphous and supersaturated nickel phases form in both as-sprayed coatings. The hardness of the HVOF coating is higher than that of the HPS coating, because the HVOF coating contains more nonmelted Cr3C2 carbide particles. On heat treating at 873 K, the amorphous phase decomposes and the supersaturated nickel phase precipitates Cr3C2 carbides so that the hardness increases in the HPS coating. The hardness measured under a great load exhibits lower values compared with that measured with a small load because of cracks generated from the indentation. The ratio of the hardnesses measured with different loads can be regarded as an index indicating the coating ductility. The ductility of the HVOF coating is higher than that of the HPS coating. Adhesion strength of the HVOF coating was high compared with the HPS coating. The adhesion of the coatings is enhanced by heat treating at 1073 K, and that of the HVOF coating is over 350 MPa.

    DOI: 10.1361/105996300770349719

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  • Formation of amorphous Fe-Cr-Mo-8P-2C coatings by the high velocity oxy-fuel process Reviewed

    Otsubo F., Era H., Kishitake K.

    Journal of Thermal Spray Technology   9 ( 4 )   494 - 498   2000.12

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    Alloy powders of Fe-10%Cr-8%P-2%C(10Cr), Fe-20%Cr-8%P-2%C(20Cr), and Fe-10%Cr-10%Mo-8%P-2%C(10Mo) compositions (in mass%) were sprayed by the high velocity oxy-fuel (HVOF) process under different conditions. The as-sprayed coatings of 10Mo alloy were composed of only an amorphous phase under all the spray conditions, while the as-sprayed coatings of the 10Cr and 20Cr alloys consisted of an amorphous phase with a small amount of crystalline material. The volume fraction of the crystalline material increased slightly with the rise of the flame temperature. The hardnesses of the as-sprayed coatings of the 10Cr and 20Cr alloys were 600 to 700 DPN, respectively, while the 10Mo coating composed of an amorphous phase revealed 560 DPN. The corrosion resistance of the as-sprayed coating of the 10Mo alloy was the best among three amorphous coatings and also superior to the nickel-base self-fluxing alloy and SUS316L stainless steel coatings in 1N H2SO4 and 1N HCl solutions.

    DOI: 10.1361/105996300770349700

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  • Interface Reaction between Nickel-Base Self-Fluxing Alloy Coating and Steel Substrate Reviewed

    F.Otsubo,H.Era,K.Kishitake

    Journal of Thermal Spray Technology   9 ( 2 )   259 - 263   2000.06

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  • Interface reaction between nickel-base self-fluxing alloy coating and steel substrate Reviewed

    Otsubo F., E. E., Kishitake K.

    Journal of Thermal Spray Technology   9 ( 2 )   259 - 263   2000.06

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    The interface reaction between a nickel-base, self-fluxing alloy coating and a steel substrate has been investigated to examine the formation of 'pores,' which are observed along the interface of used boiler tubes. It was found that lumpy precipitates form along the interface instead of pores after heating at high temperatures and that the precipitates are of Fe2B boride. The adhesion strength of the coating is not decreased by the formation of Fe2B precipitates along the interface because of the increase of the adhesion due to interdiffusion.

    DOI: 10.1361/105996300770350014

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  • Structure and Phases in Nickel-Base Self-Fluxing Alloy Coating Containing High Chromium and Boron Reviewed

    F.Otsubo,H.Era,K.Kishitake

    Journal of Thermal Spray Technology   9 ( 1 )   2000.03

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  • Structure and phases in nickel-base self-fluxing alloy coating containing high chromium and boron Reviewed

    Otsubo F., Era H., Kishitake K.

    Journal of Thermal Spray Technology   9 ( 1 )   107 - 113   2000.03

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    The structure of a nickel-base, self-fluxing alloy coating, containing chromium and boron thermal sprayed and fused, was investigated by x-ray diffraction (XRD), scanning electron microscopy (SEM), electron probe microanalysis (EPMA), and transmission electron microscopy (TEM). A lumpy M6C carbide, a rodlike M3B2 boride of tetragonal structure, a rodlike M7C3 carbide of hexagonal structure, and a Ni-Ni3B eutectic phase formed in the coating after fusing. Metals of M6C, M3B2, and M7C3 phases are composed of chromium, molybdenum, and nickel; chromium and molybdenum; and mainly chromium, respectively. The nickel phase in the coating has the L12 type superlattice structure.

    DOI: 10.1361/105996300770350131

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  • ニッケル基自溶合金溶射皮膜の組織と生成相 Reviewed

    岸武勝彦,恵良秀則,大坪文隆

    溶接学会論文集   18 ( 1 )   126 - 132   2000.02

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  • Structure and Phases in Nickel-Base Self Fluxing Alloy Coating. Reviewed

    KISHITAKE Katsuhiko, ERA Hidenori, OTSUBO Fumitaka

    QUARTERLY JOURNAL OF THE JAPAN WELDING SOCIETY ( JAPAN WELDING SOCIETY )   18 ( 1 )   126 - 132   2000.02

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    The structure and constituents in two types of nickel-base self fluxing alloy coatings thermal sprayed and subsequently fused were precisely investigated by use of X-ray diffraction analysis, electron probe microanalysis, scanning electron microscopy and transmission electron microscopy. JIS-MSFNi1 alloy coating was composed of primary nickel solid solution and Ni<SUB>3</SUB>B phase between primary nickel grains with a small amount of Ni-Ni<SUB>3</SUB>B eutectic. In case of JIS-MSFNi4 alloy coating, lumpy crystals and two kinds of rod-like crystals appeared in addition to Ni-Ni<SUB>3</SUB>B eutectic. It was found that the lumpy crystal is M<SUB>6</SUB>C carbide containing chromium, molybdenum and nickel. The rod-like crystals are M<SUB>3</SUB>B<SUB>2</SUB> boride of tetragonal structure and M<SUB>7</SUB>C<SUB>3</SUB> carbide of hexagonal structure. Metal constitution of M<SUB>3</SUB>B<SUB>2</SUB> are chromium and molybdenum and M<SUB>7</SUB>C<SUB>3</SUB> contains mainly chromium. The nickel phase in the Ni-Ni<SUB>3</SUB>B eutectic of MSFNi4 alloy coating has the superlattice structure.

    DOI: 10.2207/qjjws.18.126

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  • High corrosion resistant iron-based amorphous coatings obtained by thermal spraying Reviewed

    Otsubo F., Era H., Kishitake K., Matsumoto H.

    Proceedings of the International Thermal Spray Conference   1   659 - 664   1998.12

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    Fe-Cr(-Mo)-metaloids alloy coatings were thermal sprayed by different processes of LPPS, HVOF and HPS. The as-sprayed coating by LPPS is perfectly amorphous and coatings by other processes contain partly crystalline phases. The amorphous phases crystallize at 773 K or more and shows a high hardness of about 1000 to 1400 DPN just after crystallization. The anodic polarization curves of the coatings shift from active to passive state in 1N H 2SO 4 and 1N HCl solutions. The coatings obtained by LPPS indicate the lowest active and passive current densities and possess the best corrosion resistance. The corrosion resistance of the coatings obtained by other processes are better than a SUS316L stainless steel coating. The LPPS coating of Fe-Cr-C-P alloy is not attacked on immersion test in 6% FeCl 3·6H 2O + 0.05N HCl solution at corrosion potential, while large pit corrosion is developed in a SUS316L stainless steel sheet.

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  • Improvement of adhesion strength and formation of veined structure in alumina coating Reviewed

    Era H., Otsubo F., Kishitake K.

    Proceedings of the International Thermal Spray Conference   1   711 - 716   1998.12

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    Alumina coatings plasma-sprayed on alumina substrate with metallic bond coating (50Ni-50Cr) and on metal (Ni) substrate have been investigated in terms of adhesion strength and a veined structure formed in alumina coating. The veined structure is formed to heal up cracks and pores in sprayed alumina and substrate alumina after heat-treatment in air. The veined structure consists of oxides of NiAl2O4 (spinel-type) and NiO (NaCl-type). This indicates that the metallic elements in the bond coating or the metallic substrate diffuse along the cracks and pores in alumina and react with alumina. The alumina coating with veined structure shows high strength due to the mechanical anchoring of veined oxide and chemical bonding.

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  • A Modified Shear Test for Adhesion Evaluation of Thermal Sprayed Coating Reviewed

    H.Era,F.Otsubo,T.Uchida,S.Fukuda,K.Kishitake

    Materials Science and Engineering   A251   '166 - 166   1998.04

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  • Improvement of the Adhesion of a Ceramic Coating on a Ceramic Substrate Reviewed

    K.Kishitake,H.Era,F.Otsubo,T.Sonoda

    Journal of Thermal Spray Technology   7 ( 1 )   64 - 70   1998.03

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  • Ceramic Coating on Ceramic with Metallic Bond Coating Reviewed

    K.Kishitake,H.Era,F.Otsubo,T.Sonoda

    Journal of Thermal Spray Technology   6 ( 3 )   368 - 372   1997.09

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  • セラミック基材へ溶射したセラミック溶射皮膜の熱処理による密着強さの改善 Reviewed

    岸武勝彦,恵良秀則,大坪文隆,園田友紀

    溶射   34 ( 3 )   120 - 126   1997.09

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  • Thermal-Sprayed Fe-10Cr-13P-7C Amorphous Coating Possessing Excellent Corrosion Resistance Reviewed

    K.Kishitake,H.Era,F.Otsubo

    Journal of Thermal Spray Technology   5 ( 4 )   476 - 482   1996.12

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  • ニッケル基自溶合金溶射皮膜の組織および基材との界面反応 Reviewed

    岸武勝彦,恵良秀則,大坪文隆

    溶射   33 ( 4 )   222 - 230   1996.12

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  • 金属ボンドコートを用いたセラミック基材へのセラミック溶射法 Reviewed

    岸武勝彦,恵良秀則,大坪文隆,園田友紀

    溶射   33 ( 3 )   167 - 172   1996.09

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  • Characterization of Plasma Sprayed Fe-17Cr-38Mo-4C Amorphous Coatings Crystallizing at Extremely High Temperature Reviewed

    K.Kishitake,H.Era,F.Otsubo

    Journal of Thermal Spray Technology   5 ( 3 )   283 - 288   1996.09

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  • Characterization of Plasma Sprayed Fe-10Cr-10Mo-(C, B) Amorphous Coatings Reviewed

    K.Kishitake,H.Era,F.Otsubo

    Journal of Thermal Spray Technology   5 ( 2 )   145 - 153   1996.06

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  • 耐食性に優れた非晶質Fe-10Cr-13P-7C合金溶射皮膜 Reviewed

    岸武勝彦,恵良秀則,大坪文隆

    溶射   33 ( 2 )   95 - 102   1996.06

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  • 減圧プラズマ溶射によるFe-17Cr-38Mo-4C非晶質皮膜の特性 Reviewed

    岸武勝彦,恵良秀則,大坪文隆

    溶射   32 ( 3 )   144 - 148   1995.10

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  • 共晶組成Fe-Cr-Mo非晶質合金の結晶化と硬さに及ぼすC/B比の影響 Reviewed

    岸武勝彦,恵良秀則,大坪文隆,長谷川哲也

    鋳物   67 ( 9 )   613 - 618   1995.09

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  • Properties of Iron-Based Amorphous Coatings Reviewed

    F.Otsubo,H.Era,K.Kishitake

    Proceedings of the 14th International Thermal Spray Couference   585 - 589   1995.05

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    神戸   1995.05.22  -  1995.05.26

  • 減圧プラズマ溶射法による鉄基非晶質溶射皮膜の生成とその特性 Reviewed

    岸武勝彦,恵良秀則,大坪文隆

    溶射   32 ( 1 )   15 - 21   1995.01

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  • 急冷凝固した共晶組成高炭素Fe-Cr-Mo-B合金の焼戻し挙動 Reviewed

    岸武勝彦,恵良秀則,大坪文隆,李平,若山登

    鋳物   65 ( 6 )   468 - 473   1993.06

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  • Structures and Tempering Behavior of Rapidly Solidified High-Carbon Iron Alloys Reviewed

    K.Kishitake,H.Era,F.Otsubo

    Metallurgical Transactions   22A ( 2 )   775 - 782   1991.03

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  • Nonequilibrium Austenite/ε-Phase Eutectic Revealed in Rapidly Solidified High-Carbon Iron Alloy Reviewed

    K.Kishitake,H.Era,F.Otsubo,E.Tanaka

    Metallurgical Transactions   22A ( 3 )   791 - 792   1991.03

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  • A13-Type Phase Revealed in Rapidly Solidified High-Carbon Iron Alloy Reviewed

    HEra,K.Kishitake,F.Otsubo,E.Tanaka

    Metallurgical Tramsactions   22A ( 1 )   251 - 253   1991.01

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  • Enhancement of Hardness by Heat Treatment in Rapidly Solidified High-Carbon Iron Alloys Reviewed

    K.Kishitake,H.Era,F.Otsubo

    Scripta Metallurgica et Materialia   24 ( 7 )   1269 - 1273   1990.07

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  • 急冷凝固高炭素鉄合金における非平衝ε相

    恵良秀則,岸武勝彦,田中英士,大坪文隆

    九州大学超高圧電顕報告   14   97 - 98   1990.04

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Conference Prsentations (Oral, Poster)

  • Mg合金基板とその表面に成形したAl圧粉層の溶融凝固材の組織と特性

    大坪文隆

    日本鋳造工学会第172回全国講演大会   公益社団法人日本鋳造工学会

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    Event date: 2018.10.12 - 2018.10.15   Language:Japanese  

  • 古代脱炭鋳鉄と現代純鉄の柱状フェライト組織の共通点

    大坪文隆、松木康祐、恵良秀則、黒木英憲

    古代脱炭鋳鉄と現代純鉄の柱状フェライト組織の共通点  (一社)日本鉄鋼協会

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    Event date: 2016.07.23   Language:Japanese  

  • 溶融凝固により複合化した難燃性Mg合金とステンレス鋼の界面組織と強度

    中奥忠治

    平成27年度合同学術講演会 

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    Event date: 2015.06.06   Language:Japanese  

  • 球状黒鉛鋳鉄の炭素拡散と組織形成に及ぼすNiの影響

    古川立樹、大坪文隆、徳永辰也、恵良秀則

    日本鋳造工学会平成27年度九州支部講演大会  日本鋳造工学会九州支部

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    Event date: 2015.04.03   Language:Japanese  

  • 球状黒鉛鋳鉄における炭素拡散と組織形成に及ぼすSi偏析の影響

    古川立樹、西尾理恵、大坪文隆、徳永辰也、恵良秀則

    日本鋳造工学会第165回全国講演大会  日本鋳造工学会

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    Event date: 2014.10.18 - 2014.10.19   Language:Japanese  

  • 高周波焼入れした球状黒鉛鋳鉄の組織形成

    若菜凌、濱口主税、浦濱大地、岩川風、福永修大、丸山英三郎、大坪文隆、徳永辰也、恵良秀則

    日本鋳造工学会第165回全国講演大会  日本鋳造工学会

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    Event date: 2014.10.18 - 2014.10.19   Language:Japanese  

  • 通電加熱による溶湯鍛造したアルミニウム合金の組織と特性

    大坪文隆、松永祐樹、恵良秀則

    日本鋳造工学会第164回全国講演大会  日本鋳造工学会

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    Event date: 2014.05.31 - 2014.06.01   Language:Japanese  

  • 高Si球状黒鉛鋳鉄の炭素拡散に及ぼす偏析元素と炭素の相互作用の影響

    古川立樹、西尾理恵、恵良秀則、大坪文隆

    日本鋳造工学会平成26年度九州支部講演大会  日本鋳造工学会九州支部

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    Event date: 2014.04.04   Language:Japanese  

  • 通電加熱により溶融鍛造したTi合金の変形挙動とその組織

    宮原初季、大坪文隆、恵良秀則

    日本鋳造工学会平成26年度九州支部講演大会  日本鋳造工学会九州支部

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    Event date: 2014.04.04   Language:Japanese  

  • Thermal Conduction Simulation and Structure Formation of SGI During Heating by Running Induction Coil

    C.Hamaguchi

    第12回アジア鋳造会議  Taiwan Foundry Society and National Taiwan University

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    Event date: 2013.12.08 - 2013.12.11   Language:English  

  • Spheroidal Graphite Formation in Ni-C Alloy

    N. Tsuruoka

    第12回アジア鋳造会議  Taiwan Foundry Society and National Taiwan University

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    Event date: 2013.12.08 - 2013.12.11   Language:English  

  • HVOF溶射したFe高Cr合金溶射皮膜の耐食性評価

    橋本康平

    日本溶射学会第98回(2013年度秋季)全国講演大会  日本溶射学会

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    Event date: 2013.11.18 - 2013.11.19   Language:Japanese  

  • 溶射プロセスに適応した改良型ステンレス鋼皮膜の耐食性と耐摩耗性に及ぼす熱処理の影響

    峪田宣明

    日本溶射学会第98回(2013年度秋季)全国講演大会  日本溶射学会

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    Event date: 2013.11.18 - 2013.11.19   Language:Japanese  

  • 溶射プロセスに適応した改良型ステンレス鋼皮膜の耐食性

    曽珍素

    日本溶射学会第98回(2013年度秋季)全国講演大会  日本溶射学会

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    Event date: 2013.11.18 - 2013.11.19   Language:Japanese  

  • Reproduction of Matallographic Structure of Ancient Cast Iron

    F.Otsubo

    第8回金属と合金の利用の始まり  The Iron and Steel Institute of Japan

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    Event date: 2013.09.10 - 2013.09.15   Language:English  

  • Microstructure and Heat Transfer Simulation of SGI Press Forming Dies by Induction Hardening

    C.Hamaguchi

    第5回日韓YFEワークショップ  Japan Foundry Engineering Society

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    Event date: 2013.09.06 - 2013.09.08   Language:English  

  • Structure and Property of Aluminum Alloy Obtained by Forge Casting

    Y.Matsunaga

    第5回日韓YFEワークショップ  Japan Foundry Engineering Society

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    Event date: 2013.09.06 - 2013.09.08   Language:English  

  • Effect of Annealing on Properties of Diamond Like Carbon Films Fabricated by Plasma Enhanced Chemical Vapor Deposition

    N.Ide

    第5回日韓YFEワークショップ  Japan Foundry Engineering Society

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    Event date: 2013.09.06 - 2013.09.08   Language:English  

  • Formation of Spheroidal Graphite in Nickel Alloy

    N.Tsuruoka

    第5回日韓YFEワークショップ  Japan Foundry Engineering Society

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    Event date: 2013.09.06 - 2013.09.08   Language:English  

  • 工具鋼の脱炭挙動に及ぼす保持温度と冷却速度の影響

    野田英俊

    平成25年度日本金属学会九州支部学術講演会  日本金属学会九州支部、日本鉄鋼協会九州支部、軽金属学会九州支部、北九州市

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    Event date: 2013.06.08   Language:Japanese  

  • 放電プラズマ焼結法によるTi-Al系金属間化合物の作製

    焼谷将大

    平成25年度日本金属学会九州支部学術講演会  日本金属学会九州支部、日本鉄鋼協会九州支部、軽金属学会九州支部、北九州市

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    Event date: 2013.06.08   Language:Japanese  

  • 古代鋳鉄における脱炭組織の生成

    野田英俊、他

    日本鋳造工学会 第162回全国講演大会  日本鋳造工学会

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    Event date: 2013.05.25 - 2013.05.26   Language:Japanese  

  • Ni-C合金中における黒鉛の生成

    靍岡直哉、大坪文隆、恵良秀則

    日本鋳造工学会平成25年度九州支部講演大会  日本鋳造工学会九州支部

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    Event date: 2013.04.03   Language:Japanese  

  • 永久磁石で誘導撹拌して鋳造したアルミニウム合金円盤鋳物の凝固組織

    吉本幸平、大坪文隆、恵良秀則

    日本鋳造工学会平成25年度九州支部講演大会  日本鋳造工学会九州支部

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    Event date: 2013.04.03   Language:Japanese  

  • プラズマCVD法で作製したDLC膜の電気伝導におよぼす成膜温度とアニールの影響

    井手直弥、福田匠、井手幸夫、大坪文隆、恵良秀則

    日本金属学会2013年全国大会  日本金属学会

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    Event date: 2013.03.27 - 2013.03.29   Language:Japanese  

  • 永久磁石式撹拌によるAl合金円盤鋳物の組織変化

    吉本幸平、他

    日本鋳造工学会 第161回全国講演大会  日本鋳造工学会

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    Event date: 2012.10.13 - 2012.10.14   Language:Japanese  

  • アニール処理によるDLC膜への電気伝導性付与

    井手直弥

    平成24年度日本金属学会九州支部学術講演会  日本金属学会九州支部、日本鉄鋼協会九州支部、軽金属学会九州支部、北九州市

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    Event date: 2012.06.09   Language:Japanese  

  • 複合材料の製作における簡易的複合装置の試作

    靍岡直哉、大坪文隆、恵良秀則

    日本鋳造工学会平成24年度九州支部講演大会  日本鋳造工学会九州支部

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    Event date: 2012.04.09   Language:Japanese  

  • 通電加熱による溶融鍛造した合金の組織と特性

    松永祐樹、大坪文隆、恵良秀則

    日本鋳造工学会平成24年度九州支部講演大会  日本鋳造工学会九州支部

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    Event date: 2012.04.09   Language:Japanese  

  • 低融点純金属を用いた溶融クラッディング

    濱口主税、大坪文隆、恵良秀則

    日本金属学会2012年全国大会  日本金属学会

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    Event date: 2012.03.29 - 2012.03.30   Language:Japanese  

  • Effect of Impact Vibration on Casting Structure

    The 4th Korea-Japan Conference for Young Foundry Engneers 

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    Event date: 2011.11.10 - 2011.11.11   Language:English  

  • Application of Permanent Magnetic Stirring to Casting Process

    The 4th Korea-Japan Conference for Young Foundry Engneers 

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    Event date: 2011.11.10 - 2011.11.11   Language:English  

  • 脱酸元素添加したステンレス鋼による高耐食性溶射皮膜の開発

    貞森俊希、他

    日本金属学会 2011年秋期講演(第149回)大会  日本金属学会

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    Event date: 2011.11.07 - 2011.11.09   Language:Japanese  

  • 鋳造組織の改善を目指した打撃振動装置の試作とその効果

    安藤潤平、他

    日本鋳造工学会 第159回全国講演大会  日本鋳造工学会

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    Event date: 2011.10.15 - 2011.10.16   Language:Japanese  

  • 永久磁石式撹拌の鋳造プロセスへの適用

    西田恵詞、他

    日本鋳造工学会 第159回全国講演大会  日本鋳造工学会

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    Event date: 2011.10.15 - 2011.10.16   Language:Japanese  

  • 温間加工したアルミニウム合金の機械的性質と組織

    中村暁、他

    日本塑性加工学会創立50周年記念 第5回西日本若手技術交流会  日本塑性加工学会 九州支部九州若手研究会、関西支部若手の会、中国四国支部新鋭部会

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    Event date: 2011.07.23 - 2011.07.24   Language:Japanese  

  • 永久磁石式撹拌の鋳造プロセスへの適用

    工学府 吉本幸平

    第64回日本鋳造工学会九州支部講演会 

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    Event date: 2011.04.18   Language:Japanese  

  • Si,BおよびC添加したステンレス鋼溶射皮膜の組織

    本人

    第52回日本顕微鏡学会九州支部学術講演会 

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    Event date: 2010.12.04   Language:Japanese  

  • ネオジウム磁石を用いた電磁攪拌が凝固組織に及ぼす影響

    本人

    平成22年度日本鋳造工学会秋季学術講演会 

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    Event date: 2010.10.02   Language:Japanese  

  • 大気中冷間圧延による金属粉末のクラッディングとその特性

    本人

    平成22年度溶接学会秋季全国講演大会 

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    Event date: 2010.09.07   Language:Japanese  

  • 低融点合金の凝固組織に及ぼす電磁攪拌の影響

    本人

    平成22年度日本金属学会九州支部学術講演会 

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    Event date: 2010.06.05   Language:Japanese  

  • Al-Cu合金の凝固組織に及ぼす打撃振動の影響

    工学研究科 安藤潤平

    第63回日本鋳造工学会九州支部講演会 

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    Event date: 2010.04.19   Language:Japanese  

  • 大気中でプラズマ溶射した基板上スプラットの観察

    工学研究科 池田朋弘

    第51回日本顕微鏡学会九州支部学術講演会 

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    Event date: 2009.12.05   Language:Japanese  

  • 難燃性マグネシウム合金の粘度測定

    工学研究科 高瀬剛二

    第155回日本鋳造工学会全国講演大会 

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    Event date: 2009.10.17 - 2009.10.18   Language:Japanese  

  • Viscosimetry of Non-combustible Magnesium Alloy

    The 3rd Japan-Korea Workshop for Young Foundry Engineers 

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    Event date: 2009.10.16 - 2009.10.18   Language:English  

  • 溶融金属における粘度測定法の検討

    工学研究科 高瀬剛二

    第62回日本鋳造工学会九州支部講演会 

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    Event date: 2009.07.03   Language:Japanese  

  • 温間圧延による高強度・高靭性アルミニウム合金の作製

    工学研究科 波戸久直

    平成21年度日本金属学会九州支部学術講演会 

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    Event date: 2009.06.06   Language:Japanese  

  • スズめっき皮膜からのウィスカ形成に及ぼす下地亜鉛の影響

    工学研究科 吉廣稔

    平成21年度日本金属学会九州支部学術講演会 

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    Event date: 2009.06.06   Language:Japanese  

  • Au/Ag超音波接合部の結晶組織観察

    工学研究科

    15th Symposium on Microjoining and Assembly Technology in Electronics 

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    Event date: 2009.01.29 - 2009.01.30   Language:Japanese  

  • Au/Ag超音波接合部の微細組織に関する検討

    工学研究科 十川三臣

    第50回日本顕微鏡学会九州支部学術講演会 

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    Event date: 2008.12.06   Language:Japanese  

  • Al-Cu合金鋳塊の凝固過程と結晶形態に関する研究

    工学研究科 高瀬剛二

    未入力 

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    Event date: 2008.10.25 - 2008.10.26   Language:Japanese  

  • 超音波接合によるAu/Ag接合部の結晶組織観察

    工学研究科 十川三臣

    第18回マイクロエレクトロニクスシンポジウム(MES2008) 

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    Event date: 2008.09.18 - 2008.09.19   Language:Japanese  

  • Al-Cu合金鋳塊の凝固過程と結晶形態に関する研究

    工学研究科 高瀬剛二

    未入力 

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    Event date: 2008.07.07   Language:Japanese  

  • Observation of Bonded Area of Au Bump and Cu Lead with Sn Plating by Thermo-Compression Bonding

    International Conference on Electronics Packaging (ICEP) 2008 

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    Event date: 2008.06.10 - 2008.06.12   Language:English  

  • Flip Chip工法による信頼性のあるAu/Al接合部の組織

    工学研究科

    14th Symposium on Microjoining and Assembly Technology in Electronics 

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    Event date: 2008.02.05 - 2008.02.06   Language:Japanese  

  • Al-Cu合金鋳塊の性状に及ぼす鋳型形状と鋳込み温度の影響

    工学研究科 井上陽一

    第60回日本鋳造工学会九州支部講演会 

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    Event date: 2007.07.02   Language:Japanese  

  • 高純度Al-Si合金鋳物の延性

    工学研究科 古賀康子

    平成19年度日本金属学会九州支部学術講演会 

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    Event date: 2007.06.08   Language:Japanese  

  • 超音波接合によるAu/Au界面の結晶組織観察

    工学研究科 十川三臣

    第22回エレクトロニクス実装学会講演大会講演論文集 

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    Event date: 2007.03.17 - 2007.03.19   Language:Japanese  

  • Super Elongation of High Purity Al-Si Alloy Castings

    The 16th International Microscopy Congress 

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    Event date: 2006.09.03 - 2006.09.08   Language:English  

  • 純AlのEBSP法による凝固組織解析

    工学研究科・物質工学専攻 杉本岳士

    第59回日本鋳造工学会九州支部講演大会 

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    Event date: 2006.07.03   Language:Japanese  

  • 亜共晶Al-Si合金の組織と機械的性質に及ぼす不純物の影響

    工学研究科 小川俊文

    平成18年春季軽金属学会全国講演大会 

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    Event date: 2006.05.12 - 2006.05.14   Language:Japanese  

  • 半導体素子のAl電極表面と金Ball断面をEBSDを使った結晶方位解析

    工学研究科院生 十川三臣

    第二回九州工業大学ー昌原大学校材料系教室合同シンポジウム 

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    Event date: 2006.03.08 - 2006.03.10   Language:Japanese  

  • 半導体素子Al電極面のEBSPによる結晶方位解析

    工学研究科院生 十川三臣

    第47回日本顕微鏡学会九州支部総会・学術講演会 

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    Event date: 2005.12.03   Language:Japanese  

  • 超延性Al-Si合金鋳物のTEM観察

    工学研究科院生 木村健治

    第50回日本顕微鏡学会シンポジウム 

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    Event date: 2005.11.01 - 2005.11.02   Language:Japanese  

  • AuバンプとSnめっきしたCuリードの熱圧着界面の観察

    工学研究科院生 十川三臣

    平成17年度合同学術講演会 

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    Event date: 2005.06   Language:Japanese  

  • Corrosion Resistantce of Fe-Cr-Mo-(C,B,P) Amorphous Coatings Thermal Sprayed by HVOF and APS Processes

    Proceedings of International Thermal Spray Conference 2004 

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    Event date: 2004.05.10 - 2004.05.12   Language:English  

  • プラズマ溶射によるFe-Cr-Mo-(C,B,P)合金非晶質溶射皮膜の生成と耐食性

    本人

    日本溶射協会第78回全国講演大会講演論文集 

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    Event date: 2003.11.10 - 2003.11.11   Language:Japanese  

  • 脱炭処理した球状黒鉛鋳鉄に生成する2種類のパーライトバンド

    工学研究科院生 二宮涼一

    第56回日本鋳造工学会九州支部講演大会講演概要集 

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    Event date: 2003.06.27   Language:Japanese  

  • ブラスト処理したフェライト基地球状黒鉛鋳鉄の残留応力

    工学研究科院生 広瀬清寿

    第55回日本鋳造工学会九州支部講演大会講演概要集 

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    Event date: 2002.06.28   Language:Japanese  

  • ブラスト処理したフェライト基地球状黒鉛鋳鉄の残留応力

    本人

    日本鋳造工学会第140回全国講演大会講演論文集 

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    Event date: 2002.05.24 - 2002.05.27   Language:Japanese  

  • 球状黒鉛鋳鉄のレーザ溶接

    本人

    第54回日本鋳造工学会九州支部講演大会講演概要集 

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    Event date: 2001.07.06   Language:Japanese  

  • 球状黒鉛鋳鉄のレーザ溶接

    本人

    日本鋳造工学会第138回全国講演大会講演概要集 

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    Event date: 2001.05.11 - 2001.05.14   Language:Japanese  

  • SUS304オーステナイトステンレス鋼のブラスティングによる組織と耐食性の変化

    本人

    溶接学会全国大会講演概要第67集 

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    Event date: 2000.09.28 - 2000.09.30   Language:Japanese  

  • 高速フレーム溶射による厚膜自溶合金溶射層の残留応力

    工学研究科院生 小川真吾

    溶接学会全国大会講演概要第67集 

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    Event date: 2000.09.28 - 2000.09.30   Language:Japanese  

  • ブラスト処理したSUS304オーステナイトステンレス鋼の組織と耐食性

    本人

    日本溶射協会第71回全国講演大会講演論文集 

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    Event date: 2000.06.26 - 2000.06.27   Language:Japanese  

  • 厚膜自溶合金溶射皮膜の残留応力

    本人

    日本溶射協会第71回全国講演大会講演論文集 

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    Event date: 2000.06.26 - 2000.06.27   Language:Japanese  

  • 優れた密着強度を有するアルミナ溶射皮膜に生成する脈状酸化物

    工学研究科院生 小佐々伸大

    溶接学会全国大会講演概要第65集 

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    Event date: 1999.11.10 - 1999.11.12   Language:Japanese  

  • Ni-Al複合粉末をプラズマ溶射して得られたボンドコートの組織と特性

    本人

    溶接学会全国大会講演概要第65集 

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    Event date: 1999.11.10 - 1999.11.12   Language:Japanese  

  • ニッケル基自溶合金溶射皮膜の組織と相成分

    本人

    溶接学会全国大会講演概要第64集 

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    Event date: 1999.04.21 - 1999.04.23   Language:Japanese  

  • 高速フレーム溶射法による非晶質Fe-Cr-Mo-C-P合金溶射皮膜の生成とその耐食性

    本人

    溶接学会全国大会講演概要第64集 

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    Event date: 1999.04.21 - 1999.04.23   Language:Japanese  

  • アルミナ溶射皮膜を自己封孔する酸化物

    本人

    第40回日本電子顕微鏡学会九州支部学術集会予稿集 

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    Event date: 1998.11.28   Language:Japanese  

  • 球状黒鉛鋳鉄の溶接残留応力

    工学研究科院生 原田浩次

    日本鋳造工学会第133回全国講演大会講演概要集 

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    Event date: 1998.11.07 - 1998.11.08   Language:Japanese  

  • 球状黒鉛鋳鉄の溶接残留応力

    工学研究科院生 原田浩次

    日本鋳造工学会九州支部第51回講演大会 

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    Event date: 1998.07.03   Language:Japanese  

  • 球状黒鉛鋳鉄と軟鋼のMIG溶接

    工学部 岸武勝彦

    第51回日本鋳造工学会九州支部講演大会講演概要集 

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    Event date: 1998.07.03   Language:Japanese  

  • Fe-Cr-Mo-C-P非晶質合金溶射皮膜の生成とその特性

    本人

    日本溶射協会第67回全国講演大会講演論文集 

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    Event date: 1998.06.18 - 1998.06.19   Language:Japanese  

  • High Corrosion Resistant Iron-based Amorphous Coatings Obtained by Thermal Spraying

    Proceedings of the 15th International Thermal Spray Conference 

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    Event date: 1998.05.25 - 1998.05.29   Language:English  

  • Improvement of Adhesion Strength and Formation of Veined Structure in Alumina Coating

    Proceedings of the 15th International Thermal Spray Conference 

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    Event date: 1998.05.25 - 1998.05.29   Language:English  

  • アルミナ溶射皮膜に侵入する脈状酸化物

    工学研究科院生 田宮広与

    第39回日本電子顕微鏡学会九州支部学術集会予稿集 

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    Event date: 1997.11.29   Language:Japanese  

  • ニッケル基自溶合金溶射皮膜の組織

    工学研究科院生 愛甲隆行

    日本金属学会九州支部日本鉄鋼協会九州支部第93回合同学術講演会講演概要集 

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    Event date: 1997.06   Language:Japanese  

  • 減圧プラズマ溶射法による金属間化合物皮膜の作製

    工学研究科院生 大原秀樹

    日本金属学会・日本鉄鋼協会九州支部第93回合同学術講演会 

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    Event date: 1997.04   Language:Japanese  

  • 軟鋼基材に溶射したセラミック皮膜の界面強度

    工学部 恵良秀則

    日本金属学会九州支部日本鉄鋼協会九州支部第90回合同学術講演会講演概要集 

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    Event date: 1996.06.14   Language:Japanese  

  • Ni基自溶合金溶射皮膜の組織と界面反応性

    本人

    日本金属学会九州支部日本鉄鋼協会九州支部第90回合同学術講演会講演概要集 

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    Event date: 1996.06.14   Language:Japanese  

  • Ni基自溶合金溶射皮膜の組織と界面反応性

    本人

    第63回日本溶射協会第63回全国講演大会講演論文集 

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    Event date: 1996.05.22 - 1996.05.23   Language:Japanese  

  • Cr3C2-25NiCr溶射皮膜の特性

    工学研究科院生 内田亨

    日本溶射協会第61回全国講演大会講演論文集 

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    Event date: 1995.06.21 - 1995.06.22   Language:Japanese  

  • Fe-10Cr-2C-8P非晶質合金溶射皮膜の生成とその特性

    本人

    日本溶射協会第61回全国講演大会講演論文集 

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    Event date: 1995.06.21 - 1995.06.22   Language:Japanese  

  • Property of iron-based amorphous coatings

    Proceedings of the 14th International Thermal Spray Couference 

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    Event date: 1995.05.22 - 1995.05.26   Language:English  

  • 鉄基非晶質溶射皮膜の生成とその特性

    本人

    日本溶射協会第59回全国講演大会講演論文集 

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    Event date: 1994.06.07 - 1994.06.08   Language:Japanese  

  • 急冷凝固高炭素鉄合金に生じた非平衡(オーステナイト/ε相)共晶

    工学部 岸武勝彦

    日本金属学会九州支部日本鉄鋼協会九州支部第74回合同学術講演会講演概要 

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    Event date: 1991.06.07   Language:Japanese  

  • 高温硬度に優れた急冷凝固高炭素鉄合金

    工学部 恵良秀則

    第44回日本鋳物協会九州支部講演大会講演概要 

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    Event date: 1990.07.13   Language:Japanese  

  • 超急冷凝固高炭素鉄合金の組織と焼戻し挙動に及ぼすCの影響

    工学部 恵良秀則

    日本金属学会第106回大会 

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    Event date: 1990.04.03 - 1990.04.05   Language:Japanese  

  • 高温硬さの優れた超急冷凝固高炭素鉄合金

    工学部 岸武勝彦

    日本金属学会第106回大会 

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    Event date: 1990.04.03 - 1990.04.05   Language:Japanese  

  • 超急冷凝固高炭素鉄合金の組織と焼戻し挙動に及ぼすCr,Moの影響

    工学部 恵良秀則

    日本金属学会第106回大会 

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    Event date: 1990.04.03 - 1990.04.05   Language:Japanese  

  • 急冷凝固高炭素鉄合金の組織と焼戻し特性

    本人

    日本鋳物協会第115回全国講演大会講演概要集 

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    Event date: 1989.05.08 - 1989.05.09   Language:Japanese  

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Lectures

  • 九州工業大学・機器分析センターにおける高度分析機器の活用

    令和元年度「技術講演会」  2020.02  福岡県工業技術センター、 日本熱処理技術協会九州支部、九州金属熱処理工業会、福岡県工業技術センタークラブ機械電子技術部会

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    Language:Japanese   Presentation type:Invited lecture   Venue:福岡県工業技術センター 機械電子研究所  

  • 九州工業大学・機器分析センターの取り組みについて

    第144回技術交流会 キューテックコラボ三木会  2019.09  九州工業大学 イノベーション推進機構

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    Presentation type:Special lecture   Venue:九州工業大学 戸畑キャンパス、飯塚キャンパス(TV中継)  

  • Structual Materials to Creat Through Efficiency and Impovement

    2019 International Exchange Symposium for Material Science   2019.02  Center for Recearch Facilities

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    Presentation type:Invited lecture   Venue:Center for Recearch Facilities, Changwon National University  

  • 磁気を使った鋳造品質の向上に関する技術と高周波加熱による鋳鉄の表面改質技術

    直鞍産業振興世界戦略研究会  2014.02  福岡県庁国際経済観光課

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    Presentation type:Invited lecture   Venue:直鞍産業振興センター(ADOX福岡別館)  

Honors and Awards

  • Paper Award, Japan Thermal Spraying Society

    1997.06.04

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    Country:Japan

  • Encouradgement Award, Japan Thermal Spraying Society

    1996.05.23

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    Country:Japan

Grants-in-Aid for Scientific Research

  • 金属粉末を用いた大気中冷間圧延接合によるクラッド材の開発

    Grant number:20560673  2008.04 - 2011.03   基盤研究(C)

  • アモルファス超耐食バルク合金溶射皮膜の生成とそのナノ組織化した皮膜の特性

    Grant number:15560627  2003.10 - 2005.03   基盤研究(C)

  • 耐食性に優れた鉄基非晶質合金溶射皮膜

    Grant number:09750812  1997.05 - 1999.03   奨励研究(A)

  • 連続鋳造用銅合金鋳型への耐摩耗溶射法に関する基礎的研究

    Grant number:05750661  1993.05 - 1994.03   奨励研究(A)

Contracts

  • 廃石膏添加による還元スラグの性状変化

    2023.04 - 2024.03

    共同研究

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    Grant type:Joint research

Activities of Academic societies and Committees

  • 大学連携研究設備ネットワーク協議会   委員  

    2020.07 - 2022.10

  • 九州オープンイノベーションセンター   開放機器等管理対応者  

    2013.04 - 2022.10

  • 九州山口地区機器・分析センター会議   委員  

    2013.04 - 2022.10

  • 国立大学法人機器・分析センター協議会   委員  

    2013.04 - 2022.10

PR

  • (PR for company)

    溶融・加工・表面処理による材料開発

    民間企業では、輸送機器、産業機械部品を生産する製造所で技術者として勤務しておりましたので、研究者と技術者のセンスがコラボレーションできればと思います。