Papers - YOKOYAMA Ken'ichi
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Effects of Constituting Phases in Ni-Ti Shape Memory Alloy on Susceptibility to Hydrogen Embrittlement Reviewed
Ken'ichi Yokoyama,Tatsuya Eguchi,Kenzo Asaoka,Michihiko Nagumo
Materials Science and Engineering A 374 177 - 183 2004.04
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Hydrogen Absorption of Titanium in Acidic Fluoride Solutions Reviewed
Ken'ichi Yokoyama,Toshio Ogawa,Kenzo Asaoka,Jun'ichi Sakai
Materials Science and Engineering A 384 19 - 25 2004.04
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Hydrogen Embrittlement of Ni-Ti Superelastic Alloy in Fluoride Solution Reviewed
Ken'ichi Yokoyama,Kazuyuki Kaneko,Keiji Moriyama,Kenzo Asaoka,Jun'ichi Sakai,Michihiko Nagumo
Journal of Biomedical Materials Research Part A 65A 182 - 187 2003.04
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Susceptibility to Delayed Fracture of Ni-Ti Superelastic Alloy Reviewed
Ken'ichi Yokoyama,Shiyozo Watabe,Kenichi Hamada,Jun'ichi Sakai,Kenzo Asaoka,Michihiko Nagumo
Materials Science and Engineering A 341 91 - 97 2003.04
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Delayed Fracture of Beta Titanium Orthodontic Wire in Fluoride Aqueous Solutions Reviewed
Kazuyuki Kaneko,Ken'ichi Yokoyama,Keiji Moriyama,Kenzo Asaoka,Jun'ichi Sakai,Michihiko Nagumo
Biomaterials 24 2113 - 2120 2003.04
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Degradation of Tensile Strength of Ni-Ti Superelastic Alloy Due to Hydrogen Absorption in Methanol Solution Containing Hydrochloric Acid Reviewed
Ken'ichi Yokoyama,Toshio Ogawa,Kenzo Asaoka,Jun'ichi Sakai,Michihiko Nagumo
Materials Science and Engineering A 360 153 - 159 2003.04
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Hydrothermal Modification of Titanium Surface in Calcium Solutions Reviewed
Kenichi Hamada,Masayuki Kon,Takao Hanawa,Ken'ichi Yokoyama,Youji Miyamoto,Kenzo Asaoka
Biomaterials 23 2265 - 2272 2002.04
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Fracture Mechanisms of Retrieved Titanium Screw Thread in Dental Implant Reviewed
Ken'ichi Yokoyama,Tetsuo Ichikawa,Hiroki Murakami,Youji Miyamoto,Kenzo Asaoka
Biomaterials 23 2459 - 2465 2002.04
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Hydrogen Embrittlement of Nickel-Titanium Alloy in Biological Environment Reviewed
Kenzo Asaoka,Ken'ichi Yokoyama,Michihiko Nagumo
Metallurgical and Materials Transactions A 33A 495 - 501 2002.04
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Ni-Ti 超弾性合金の遅れ破壊特性－日本歯科理工学会研究奨励賞－
Ken'ichi Yokoyama
DE: The Journal of Dental Engineering ( 日本歯科理工学会 ) 139 37 - 38 2001.08
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Fracture Analysis of Hydrogen-Charged Nickel-Titanium Superelastic Alloy Reviewed
Ken'ichi Yokoyama,Kenichi Hamada,Kenzo Asaoka
Materials Transactions 42 141 - 144 2001.04
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Degradation and Fracture of Ni-Ti Superelastic Wire in an Oral Cavity Reviewed
Ken'ichi Yokoyama,Kenichi Hamada,Keiji Moriyama,Kenzo Asaoka
Biomaterials 22 2257 - 2262 2001.04
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Ti脱酸低炭素鋼溶接熱影響部の靭性に対する熱履歴の効果 Reviewed
横山賢一,石川寛朗,南雲道彦
鉄と鋼 84 740 - 746 1998.04
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Brittle Fracture Initiation Associated with Strain Localization in Heat Affected Zone of a Low Carbon Steel Reviewed
Ken'ichi Yokoyama,Michihiko Nagumo
Metallurgical and Materials Transactions A 29A 551 - 558 1998.04
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Ti脱酸低炭素鋼溶接熱影響部の破壊靭性に及ぼす組織の役割 Reviewed
横山賢一,石川寛朗,南雲道彦
鉄と鋼 83 803 - 808 1997.04
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低炭素鋼溶接熱影響部の靭性試験における荷重低下現象 Reviewed
横山賢一,南雲道彦
鉄と鋼 83 323 - 328 1997.04
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Microstructures Relevant to Brittle Fracture Initiation at the Heat Affected Zone of Weldment of a Low Carbon Steel Reviewed
Kenji Ohya,Jongseop Kim,Ken'ichi Yokoyama,Michihiko Nagumo
Metallurgical and Materials Transactions A 27A 2574 - 2582 1996.04