Characterization and elucidation of mechanisms of degradation of titanium alloys in biological environments for improvement of safety

• Project/Area Number: 18560702
• Research Category: Grant-in-Aid for Scientific Research (C)
• Allocation Type: Single-year Grants
• Section: 一般
• Research Field: Material processing/treatments
• Research Institution: Waseda University
• Principal Investigator: SAKAI Jun'ichi Waseda University, 理工学術院, 教授 (90329095)
• Co-Investigator(Kenkyū-buntansha): 横山 賢一 九州工業大学, 工学部, 准教授 (80308262)
• Co-Investigator(Renkei-kenkyūsha): YOKOYAMA Ken'ichi 九州工業大学, 大学院・工学研究院, 准教授 (80308262)
• Project Period (FY): 2006 – 2008
• Project Status: Completed (Fiscal Year 2008)
• Budget Amount: ¥4,100,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥600,000); Fiscal Year 2008: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000); Fiscal Year 2007: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000); Fiscal Year 2006: ¥1,500,000 (Direct Cost: ¥1,500,000)
• Keywords: 腐食防食 / Ti合金 / Ni-Ti合金 / 生体材料 / マルテンサイト変態 / 水素脆化 / 引張変形 / 引っ張り変形

Research Abstract

本研究では、チタン合金の安全性や信頼性のさらなる向上のために、材料試験、表面解析、昇温水素放出分析などから、生体内における材質劣化のキャラクタリゼイションと機構解明を行った。チタンやチタン合金と比較するとニッケル-チタン超弾性合金は、局部腐食や水素脆化などの材質劣化が起こりやすいことが明らかになった。また、材質劣化には応力誘起マルテンサイトが及ぼす役割が特に重要であることが示された。

Research Products

• [Journal Article] Improvements in Fracture Properties of Ni-Ti Superelastic Alloy in Physiological Saline Solution Containing Hydrogen Peroxide by Surface Modification (2009)
  • Author(s): Ken'ichi Yokoyama, Tokunori Kanemura, Jun'ichi Sakai
  • Journal Title: Materials Science and Engineering A vol.513-514 Pages: 267-275
  • Peer Reviewed
• [Journal Article] Relationship between Hydrogen Absorption and Corrosion Behavior of Ti-6Al-4V Alloy Immersed in Acidic Fluoride Solutions (2009)
  • Author(s): Atsushi Fujita, Toshio Ogawa, Ken'ichi Yokoyama, Jun'ichi Sakai
  • Journal Title: Materials Transactions Vol.50 Pages: 1183-1189
  • NAID: 10024815173
  • Peer Reviewed
• [Journal Article] Hydrogen Embrittlement Behavior Induced by Dynamic Martensite Transformation of Ni-Ti Superelastic Alloy (2009)
  • Author(s): Ken'ichi Yokoyama, Miho Tomita, Jun'ichi Sakai
  • Journal Title: Acta Materialia vol.57 Pages: 1875-1885
  • Peer Reviewed
• [Journal Article] Hydrogen embrittlement behavior induced by dynamic martensite transformation of Ni-Ti superelastic all oy (2009)
  • Author(s): Ken' ichi Yokoyama, et al.
  • Journal Title: Acta Materialia 57 Pages: 1875-1885
  • Peer Reviewed
• [Journal Article] Effects of Acid Type on Corrosion and Fracture Behavior of Ni-Ti Superelastic Alloy under Sustained Tensile Load in Physiological Saline Solution Containing Hydrogen Peroxide (2008)
  • Author(s): Tokunori Kanemura, Ken'ichi Yokoyama, Jun'ichi Sakai
  • Journal Title: Corrosion Science vol.50 Pages: 2785-2795
  • Peer Reviewed
• [Journal Article] Effects of Potential, Temperature and pH on Hydrogen Absorption and Thermal Desorption Behaviors of Ni-Ti Superelastic Alloy in 0.9% NaCl Solution, (2008)
  • Author(s): Miho Tomita, Ken'ichi Yokoyama, Jun'ichi Sakai
  • Journal Title: Corrosion Science vol.50 Pages: 2061-2069
  • Peer Reviewed
• [Journal Article] Susceptibility to Hydrogen Absorption and Hydrogen Thermal Desorption of Titanium Alloys Immersed in Neutral Fluoride Solution under Applied Potential (2008)
  • Author(s): Ken'ichi Yokoyama, Katsutoshi Takashima, Jun'ichi Sakai
  • Journal Title: Materials Transactions vol.49 Pages: 1661-1666
  • NAID: 10021148544
  • Peer Reviewed
• [Journal Article] Hydrogen Thermal Desorption Behavior of Ni-Ti Superelastic Alloy Subjected to Tensile Deformation after Hydrogen Charging (2008)
  • Author(s): Miho Tomita, Ken'ichi Yokoyama, Kenzo Asaoka, Jun'ichi Sakai
  • Journal Title: Materials Science and Engineering A vol.476 Pages: 308-315
  • Peer Reviewed
• [Journal Article] Susceptibility to hydrogen absorption and hydrogen thermal desorption of titanium alloys immersed in neutral fluoride solution under applied potential (2008)
  • Author(s): Ken' ichi Yokoyama, et al.
  • Journal Title: Materials Transactions 49 Pages: 1661-1666
  • Peer Reviewed
• [Journal Article] Effects of potential, temperature and pH on hydrogen absorption and thermal desorption behaviors of Ni -Ti superelastic alloy in 0.9% NaCl solution (2008)
  • Author(s): Miho Tomita, et al.
  • Journal Title: Corrosion Science 50 Pages: 2061-2069
  • Peer Reviewed
• [Journal Article] Effects of acid type on corrosion and fracture behavior of Ni-Ti superelastic alloy under sustained te nsile load in physiological saline solution containing hydrogen peroxide (2008)
  • Author(s): Tokunori Kanemura, et al.
  • Journal Title: Corrosion Science 50 Pages: 2785-2795
  • Peer Reviewed
• [Journal Article] Hydrogen thermal desorption behavior of Ni-Ti superelastic alloy subjected to tensile deformation after hydrogen charging (2008)
  • Author(s): Miho Tomita, Ken' ichi YokoYama, KenzoAsaoka, Jun'ichi Sakai
  • Journal Title: Materials Science and Engineering A 476 Pages: 308-315
  • Peer Reviewed
• [Journal Article] Hydrogen Absorption and Thermal Desorption Behaviors of Ni-Ti Superelastic Alloy Subjected to Sustained Tensile-Straining Test with Hydrogen Charging (2007)
  • Author(s): Ken'ichi Yokoyama, Miho Tomita, Kenzo Asaoka, Jun'ichi Sakai
  • Journal Title: Scripta Materialia vol.57 Pages: 393-396
  • Peer Reviewed
• [Journal Article] Hydrogen Embrittlement of Ni-Ti Superelastic Alloy Aged at Room Temperature after Hydrogen Charging (2007)
  • Author(s): Ken'ichi Yokoyama, Toshio Ogawa, Katsutoshi Takashima, Kenzo Asaoka, Jun'ichi Sakai
  • Journal Title: Materials Science and Engineering A vol.466 Pages: 106-113
  • Peer Reviewed
• [Journal Article] Hydrogen Embrittlement of Ni-Ti Superelastic Alloy Aged at Room Temperature after Hydrogen Charging (2007)
  • Author(s): Ken' ichi Yokoyama, Jun' ichi Sakai, et. al.
  • Journal Title: Materials Science and Engineering A 466 Pages: 106-113
  • Peer Reviewed
• [Journal Article] Fracture of Ni-Ti Superelastic Alloy under Sustained Tensile Load in Physiological Saline Solution Containing Hydrogen Peroxide (2007)
  • Author(s): Ken' ichi Yokoyama, Jun' ichi Sakai, et. al.
  • Journal Title: Journal of Biomedical Materials Research Part A 82A Pages: 558-567
  • Peer Reviewed
• [Journal Article] Effects of Potential on Hydrogen Absorption and Desorption Behaviors of Titanium in Neutral Fluoride Solutions (2007)
  • Author(s): Katsutoshi Takashima, Ken' ichi Yokoyama, Jun' ichi Sakai, et. al.
  • Journal Title: Journal of Alloys and Compounds 431 Pages: 203-207
  • Peer Reviewed
• [Journal Article] Hydrogen absorption and thermal desorption behaviors of Ni-Ti superelastic alloy subjected to sustained tensile-straining test with hydrogen absorption (2007)
  • Author(s): Ken' ichi Yokoyama, Miho Tomita, KenzoAsaoka, Jun'ichi Sakai
  • Journal Title: Scripta Materialia 57 Pages: 393-396
  • Peer Reviewed
• [Journal Article] Containing Hydrochloric Acid on Hydrogen Absorption and Desorption Behaviors of Ni-Ti Superelastic Alloy (2006)
  • Author(s): Toshio Ogawa, Ken'chi Yokoyama, Kenzo Asaoka, Jun'ichi Sakai
  • Journal Title: Materials Science and Engineering A,
• [Journal Article] Fracture of sustained tensile-loaded Ti-0.2% Pd alloy in acid and neutral fluoride solutios (2006)
  • Author(s): Ken'ichi Yokoyama, Toshio Ogawa, Kenzo Asaoka, Jun'ichi Sakai
  • Journal Title: Materials Science and Engineering A,
• [Journal Article] Hydrogen Absorption of Titanium and Nickel-Titanium Alloys During Long-Term Immersion in Neutral Fluoride Solution (2006)
  • Author(s): Ken'ichi Yokoyama, Toshio Ogawa, Kenzo Asaoka, Jun'ichi Sakai
  • Journal Title: Journal of Biomedical Material Research Part B : Applied Biomaterials,
• [Journal Article] Hydrogen Absorption and Thermal Desorption Behavior of Ni-Ti Superelastic Alloy Immersed in Neutral NaCl and NaF Solutions under Applied Potential
  • Author(s): Asahi Ota, Yushin Yazaki, Ken'ichi Yokoyama, Jun'ichi Sakai
  • Journal Title: Materials Transactions (in press)
  • NAID: 10025154357
  • Peer Reviewed
• [Presentation] Ni-Ti超弾性合金の水素脆性と応力誘起変態 (2009)
  • Author(s): 横山賢一、冨田美穂、酒井潤一
  • Organizer: 日本金属学会
  • Place of Presentation: 熊本大学
  • Year and Date: 2009-09-23
• [Presentation] NaCl及びNaF水溶液中におけるNi-Ti超弾性合金の水素吸収挙動 (2009)
  • Author(s): 太田旭、横山賢一、酒井潤一
  • Organizer: 日本金属学会
  • Place of Presentation: 東京工業大学
  • Year and Date: 2009-03-28
• [Presentation] 純Ti表面のリン酸カルシウム析出に及ぼす水素化物の影響 (2009)
  • Author(s): 根岸秀光、横山賢一、酒井潤一
  • Organizer: 日本金属学会
  • Place of Presentation: 東京工業大学
  • Year and Date: 2009-03-28
• [Presentation] Ni-Ti超弾性合金の昇温水素放出曲線-水素添加法の組み合わせによる影響- (2009)
  • Author(s): 長岡彬、横山賢一、酒井潤一
  • Organizer: 日本金属学会
  • Place of Presentation: 東京工業大学
  • Year and Date: 2009-03-28
• [Presentation] Ni-Ti超弾性合金の昇温水素放出挙動-水素添加法の組合せによる影響- (2009)
  • Author(s): 長岡彬, 他
  • Organizer: 日本金属学会
  • Place of Presentation: 東京工業大学
  • Year and Date: 2009-03-28
• [Presentation] 過酸化水素添加による酸処理中のTi及びNi-Ti合金の水素吸収抑制 (2008)
  • Author(s): 長岡彬、横山賢一、酒井潤一
  • Organizer: 日本金属学会
  • Place of Presentation: 熊本大学
  • Year and Date: 2008-09-23
• [Presentation] Ni-Ti超弾性合金の水素脆性と応力誘起変態 (2008)
  • Author(s): 横山賢一, 他
  • Organizer: 日本金属学会
  • Place of Presentation: 熊本大学
  • Year and Date: 2008-09-23
• [Presentation] Ti-Pd合金の塩酸含有アルコール溶液中における環境脆化感受性 (2008)
  • Author(s): 金村篤謙、横山賢一、酒井潤一
  • Organizer: 日本金属学会
  • Place of Presentation: 武蔵工業大学
  • Year and Date: 2008-03-28
• [Presentation] 過酸化水素添加によるフッ化物水溶液中におけるNi-Ti超弾性合金の水素脆化抑制 (2008)
  • Author(s): 矢崎侑振、横山賢一、酒井潤一
  • Organizer: 日本金属学会
  • Place of Presentation: 武蔵工業大学
  • Year and Date: 2008-03-27
• [Presentation] 水素吸収環境によるNi-Ti超弾性合金の脆化挙動の変化 (2008)
  • Author(s): 長岡彬、横山賢一、酒井潤一
  • Organizer: 日本金属学会
  • Place of Presentation: 武蔵工業大学
  • Year and Date: 2008-03-26
• [Presentation] 水素吸収環境によるNi-Ti超弾性舎金の脆化挙動の変化 (2008)
  • Author(s): 長岡 彬, 横山 賢一, 酒井 潤一
  • Organizer: 日本金属学会
  • Place of Presentation: 武蔵工業大学
  • Year and Date: 2008-03-26
• [Presentation] Ti及びNi-Ti合金の表面改質に伴う水素吸収評価 (2007)
  • Author(s): 長岡彬、横山賢一、浅岡憲三、酒井潤一
  • Organizer: 日本金属学会
  • Place of Presentation: 岐阜大学
  • Year and Date: 2007-09-21
• [Presentation] 過酸化水素含有生理食塩水中におけるNi-Ti超弾性合金の耐食性の向上-硝酸浸漬による表面改質- (2007)
  • Author(s): 金村篤謙、横山賢一、浅岡憲三、酒井潤一
  • Organizer: 日本金属学会
  • Place of Presentation: 岐阜大学
  • Year and Date: 2007-09-21
• [Presentation] 過酸化水素含有生理食塩水中におけるNi-Ti超弾性合金の耐食性の向上-硝酸浸漬による表面改質 (2007)
  • Author(s): 金村 篤謙, 横山 賢一, 浅岡 憲三, 酒井 潤一
  • Organizer: 日本金属学会
  • Place of Presentation: 岐阜大学
  • Year and Date: 2007-09-21
• [Presentation] Ti及びNi-Ti合金の表面改質に伴う水素吸収の評価 (2007)
  • Author(s): 長岡 彬, 横山 賢一, 浅岡 憲三, 酒井 潤一
  • Organizer: 日本金属学会
  • Place of Presentation: 岐阜大学
  • Year and Date: 2007-09-21
• [Presentation] Ni-Ti超弾性合金の水素吸収および昇温放出挙動に及ぼす繰り返し変形の影響 (2007)
  • Author(s): 冨田美穂、横山賢一、浅岡憲三、酒井潤一
  • Organizer: 日本金属学会
  • Place of Presentation: 岐阜大学
  • Year and Date: 2007-09-20
• [Presentation] Ni-Ti超弾性合金の水素吸収と昇温放出挙動に及ぼす繰返し変形の影響 (2007)
  • Author(s): 冨田 美穂, 横山 賢一, 浅岡 憲三, 酒井 潤一
  • Organizer: 日本金属学会
  • Place of Presentation: 岐阜大学
  • Year and Date: 2007-09-20
• [Presentation] Ni-Ti超弾性合金の水素脆化に及ぼす相変態の影響 (2007)
  • Author(s): 横山賢一、酒井潤一
  • Organizer: 日本鉄鋼協会
  • Place of Presentation: 岐阜大学
  • Year and Date: 2007-09-19
• [Presentation] Ni-Ti超弾性合金の水素脆化に及ぼす相変態の影響 (2007)
  • Author(s): 横山 賢一, 酒井 潤一
  • Organizer: 日本鉄鋼協会シンポジウム「水素状態分析標準化の基盤研究」
  • Place of Presentation: 岐阜大学
  • Year and Date: 2007-09-19
• [Presentation] Hydrogen Absorption Behavior of Ti-6Al-4V Alloy in Acidic Fluoride Solutions (2007)
  • Author(s): Ken'ichi Yokoyama, Toshio Ogawa, Atsushi Fujita, Kenzo Asaoka, Jun'ichi Sakai
  • Organizer: The 6th International Symposium on Titanium in Dentistry and The 2nd International Meeting on Titanium in Dental Technology
  • Place of Presentation: Kyoto
  • Year and Date: 2007-06-05
• [Presentation] Hydrogen absorption behavior of Ti-6Al-4V alloy in acidic fluoride solutions (2007)
  • Author(s): Ken' ichi Yokoyama, Jun' ichi Sakai, et. al.
  • Organizer: The Society for Titanium Alloys in Dentistry
  • Place of Presentation: 京都国際会議場
  • Year and Date: 2007-06-05
• [Presentation] 0.9%NaCl水溶液中におけるNi-Ti超弾性合金の水素吸収挙動に及ぼす環境因子の影響 (2007)
  • Author(s): 冨田美穂、横山賢一、浅岡憲三、酒井潤一
  • Organizer: 腐食防食協会
  • Place of Presentation: 早稲田大学
  • Year and Date: 2007-05-09
• [Presentation] 酸添加過酸化水素含有生理食塩水中におけるNi-Ti超弾性合金の腐食挙動 (2007)
  • Author(s): 金村篤謙、横山賢一、浅岡憲三、酒井潤一
  • Organizer: 腐食防食協会
  • Place of Presentation: 早稲田大学
  • Year and Date: 2007-05-09
• [Presentation] 酸添加した過酸化水素含有生理食塩水中におけるNi-Ti超弾性合金の破壊特性 (2007)
  • Author(s): 金村篤謙、横山賢一、浅岡憲三、酒井潤一
  • Organizer: 日本金属学会
  • Place of Presentation: 千葉工業大学
  • Year and Date: 2007-03-27
• [Presentation] 定ひずみ下におけるNi-Ti超弾性合金の水素吸収特性 (2007)
  • Author(s): 冨田美穂、横山賢一、浅岡憲三、酒井潤一
  • Organizer: 日本金属学会
  • Place of Presentation: 千葉工業大学
  • Year and Date: 2007-03-27
• [Presentation] Ni-Ti超弾性合金の水素放出挙動-引張変形の影響- (2006)
  • Author(s): 冨田美穂、横山賢一、浅岡憲三、酒井潤一
  • Organizer: 日本金属学会
  • Place of Presentation: 新潟大学
  • Year and Date: 2006-09-16