Deformation behavior of chaotic martensite and its reconstruction through deformation

• Project/Area Number: 18560645
• Research Category: Grant-in-Aid for Scientific Research (C)
• Allocation Type: Single-year Grants
• Section: 一般
• Research Field: Physical properties of metals
• Research Institution: Okayama University
• Principal Investigator: TAKEMOTO Yoshito Okayama University, 大学院・自然科学研究科, 助教 (60216942)
• Project Period (FY): 2006 – 2008
• Project Status: Completed (Fiscal Year 2008)
• Budget Amount: ¥3,720,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥120,000); Fiscal Year 2008: ¥260,000 (Direct Cost: ¥200,000、Indirect Cost: ¥60,000); Fiscal Year 2007: ¥260,000 (Direct Cost: ¥200,000、Indirect Cost: ¥60,000); Fiscal Year 2006: ¥3,200,000 (Direct Cost: ¥3,200,000)
• Keywords: チタン合金 / マルテンサイト / ヤング率 / 圧延 / 電子顕微鏡 / バリアント / EBSP / シュミットファクター / 擬弾性 / 生体材料 / 相変態 / 双晶

Research Abstract

チタン合金を人工骨等に用いる場合, 人骨のヤング率相当まで引き下げることが望まれている。チタン合金の低ヤング率化には焼入れマルテンサイトが重要な組織であるが, 圧延などによってその組織形態を失い, カオス的な組織となる。しかし引張等の変形を付与するとカオス組織の中に完全なマルテンサイトが再構築される現象について研究を行った。

Research Products

• [Journal Article] Anelastic behavior of Ti-8mass%Mo alloy by pre-deformation Ti-2007Science and Technology (2007)
  • Author(s): Yoshito Takemoto, Akira Sakakibara and Takehide Senuma
  • Journal Title: Vol.1 Pages: 539-542
  • Peer Reviewed
• [Journal Article] The effect of deformation mechanism on plastic behavior of β-type Ti-Moalloys Ti-2007Science and Technology (2007)
  • Author(s): Ichiro Shimizu and Yoshito Takemoto
  • Journal Title: Vol.1 Pages: 543-546
  • Peer Reviewed
• [Journal Article] Anelastic behavior of Ti-8mass%Mo alloy by pre-deformation (2007)
  • Author(s): Yoshito Takemoto Akira Sakakibara and Takehide Senuma
  • Journal Title: Ti-2007 Science and Technology 1 Pages: 539-542
  • Peer Reviewed
• [Journal Article] The Effect of deformation Mechnism on Plastic Behavior of β-type Ti-Mo Alloys (2007)
  • Author(s): Ichiro Shimizu and Yoshito Takemoto
  • Journal Title: Ti-2007 Science and Technology 1 Pages: 543-546
  • Peer Reviewed
• [Presentation] Ti-6Mo-X-Y 合金の微細組織と引張特性 (2008)
  • Author(s): 三宅章義
  • Organizer: 日本金属学会・日本鉄鋼協会中国四国支部講演大会
  • Place of Presentation: 高知
  • Year and Date: 2008-08-07
• [Presentation] Ti-6Mo-X-Y合金の微細組織と引張特性 (2008)
  • Author(s): 三宅 章義
  • Organizer: 日本金属学会・日本鉄鋼協会中国四国支部講演大会
  • Place of Presentation: 高知
  • Year and Date: 2008-08-07
• [Presentation] Ti-6Mo-X-Y合金の微細組織と機械的特性 (2008)
  • Author(s): 三宅章義
  • Organizer: 日本鉄鋼協会第156回秋季講演大会
  • Place of Presentation: 熊本
• [Presentation] Ti-6Mo 合金の機械特性と微細組織に及ぼす添加元素の影響 (2008)
  • Author(s): 竹元嘉利
  • Organizer: 日本鉄鋼協会第156回秋季講演大会
  • Place of Presentation: 熊本
• [Presentation] Ti-6Mo合金の機械特性と微細組織に及ぼす添加元素の影響 (2008)
  • Author(s): 竹元嘉利
  • Organizer: 日本鉄鋼協会第156回秋季講演大会
  • Place of Presentation: 熊本
• [Presentation] Ti-Mo 合金系の加工特性と微細組織 (2007)
  • Author(s): 竹元嘉利
  • Organizer: 日本鉄鋼協会第154回秋季講演大会
  • Place of Presentation: 岐阜
  • Year and Date: 2007-09-19
• [Presentation] Ti-Mo合金系の加工特性と微細組織 (2007)
  • Author(s): 竹元嘉利、清水一郎
  • Organizer: 日本鉄鋼協会第154回秋季講演大会
  • Place of Presentation: 岐阜
  • Year and Date: 2007-09-19
• [Presentation] Ti-Mo 合金の機械的性質に及ぼす組織の影響 (2007)
  • Author(s): 安永裕介
  • Organizer: 日本鉄鋼協会・日本金属学会中国四国支部講演大会
  • Place of Presentation: 松江
  • Year and Date: 2007-08-09
• [Presentation] Ti-Mo合金の機械的性質に及ぼす組織の影響 (2007)
  • Author(s): 安永 裕介、三宅 章義、竹元 嘉利、瀬沼 武秀
  • Organizer: 日本鉄鋼協会・日本金属学会 中国四国支部鉄鋼第50回・金属第47回 合同支部講演大会
  • Place of Presentation: 松江
  • Year and Date: 2007-08-09
• [Presentation] The effect of deformation mechanism on plastic behavior of β-type Ti-Mo alloys (2007)
  • Author(s): Ichiro Shimizu
  • Organizer: The 11th World Conference on Titanium
  • Place of Presentation: Kyoto
  • Year and Date: 2007-06-04
• [Presentation] Anelastic behavior of Ti-8mass%Mo alloy by pre-deformation (2007)
  • Author(s): Yoshito Takemoto
  • Organizer: The 11th World Conference on Titanium
  • Place of Presentation: Kyoto
  • Year and Date: 2007-06-04
• [Presentation] Anelastic behavior of Ti-8mass%Mo alloy by pre-deformation (2007)
  • Author(s): Yoshito Takemoto Akira Sakakibara and Takehide Senuma
  • Organizer: 11th World Conference on Titanium
  • Place of Presentation: Kyoto
• [Presentation] The Effect of deformation Mechnism on Plastic Behavior of β-type Ti-Mo Alloys (2007)
  • Author(s): Ichiro Shimizu and Yoshito Takemoto
  • Organizer: 11th World Conference on Titanium
  • Place of Presentation: Kyoto
• [Presentation] β型チタン合金の変形挙動に及ぼす相変態の影響 (2006)
  • Author(s): 竹元嘉利
  • Organizer: 日本鉄鋼協会・日本金属学会中国四国支部, 第98回金属物性研究会
  • Place of Presentation: 新居浜
  • Year and Date: 2006-06-30