Development of high damping Fe-Al superelastic alloys

2008 Fiscal Year Final Research Report

• Project/Area Number: 18686057
• Research Category: Grant-in-Aid for Young Scientists (A)
• Allocation Type: Single-year Grants
• Research Field: Structural/Functional materials
• Research Institution: Osaka University
• Principal Investigator: YASUDA Hiroyuki Osaka University, 大学院・工学研究科, 准教授 (60294021)
• Project Period (FY): 2006 – 2008
• Keywords: 超弾性 / 金属間化合物 / 転位 / 逆位相境界 / 形状記憶合金 / 電子顕微鏡 / Fe / Al

Research Abstract

Fe_3Al 単結晶では転位の可逆運動を基調として巨大な擬弾性が生じるものの、多結晶状態では十分な擬弾性が得られなかった。そこで本研究では、粒成長防止材を添加することによりその再結晶・粒成長プロセスを制御することで擬似単結晶化し、多結晶における擬弾性挙動を改善するとともに、同合金の制振特性について評価した。その結果、完全な擬似単結晶化は困難であったが、強度1 ギガパスカル以上の制振材料の開発に成功した。

Research Products

• [Journal Article] Tension-compression asymmetry of pseudoelasticity in Fe-23.0at.%Al single crystals (2008)
  • Author(s): H.Y. Yasuda, K. Yamaoka, Y. Oda and Y. Umakoshi
  • Journal Title: Scripta Mater. 59 Pages: 738-741
  • Peer Reviewed
• [Journal Article] Temperature dependence of pseudoelasticity and shape memory effect in Fe3Ga single crystals with D0_3 structure (2008)
  • Author(s): H.Y. Yasuda, K. Fukushima, M. Aoki, and Y. Umakoshi
  • Journal Title: ISIJ Inter. 48 Pages: 1014-1019
  • Peer Reviewed
• [Journal Article] Effect of third elements on pseudoelasticity in Fe_3Al single crystals (2007)
  • Author(s): H. Y. Yasuda, T. Kase, S. Minamiguchi, A. Yokoyama, Y. Umakoshi, P. M. Bronsveld and J. Th. M. De Hosson
  • Journal Title: Mater. Sci. Forum 561-565 Pages: 391-394
  • Peer Reviewed
• [Journal Article] Temperature dependence of pseudoelasticity in Fe_3Al single crystals (2007)
  • Author(s): H.Y. Yasuda, T. Nakajima and Y. Umakoshi
  • Journal Title: Intermetallics 15 Pages: 819-823
  • Peer Reviewed
• [Journal Article] Effect of ordering process on pseudoelasticity in Fe_3Ga single crystals (2007)
  • Author(s): H. Y. Yasuda, M. Aoki and Y. Umakoshi
  • Journal Title: Acta Mater. 55 Pages: 2407-2415
  • Peer Reviewed
• [Journal Article] Control of texture in intermetallic compounds by thermo-mechanicalcompounds by thermo- mechanical processing processing (2007)
  • Author(s): Y. Umakoshi, H. Y. Yasuda and T. Sakata
  • Journal Title: Solid State Phenomena 127 Pages: 9-13
  • Peer Reviewed
• [Journal Article] Shape memory effect in Fe_3Al single crystals with D0_3 structure (2006)
  • Author(s): H.Y. Yasuda, T. Nakajima and Y. Umakoshi
  • Journal Title: Scripta Mater. 55 Pages: 859-862
  • Peer Reviewed
• [Journal Article] Effect of heat treatment on pseudoelasticity in Fe-25.0at.%Al single crystals (2006)
  • Author(s): H.Y. Yasuda, S. Murakami, and Y. Umakoshi
  • Journal Title: Intermetallics 14 Pages: 1221-1225
  • Peer Reviewed
• [Journal Article] Pseudoelasticity in Fe3Al single crystals under cyclic loading (2006)
  • Author(s): H.Y. Yasuda, K. Yamaoka and Y. Umakoshi
  • Journal Title: Mater. Sci. Forum 512 Pages: 25-30
  • Peer Reviewed
• [Presentation] Effect of third elements on pseudoelasticity in Fe_3Al single crystals (2007)
  • Author(s): H. Y. Yasuda, T. Kase, S. Minamiguchi, A. Yokoyama, Y. Uma-koshi, P. M. Bronsveld and J. Th. M. De Hosson
  • Organizer: PRICM-6
  • Place of Presentation: 韓国・済州島・ICC Jeju
  • Year and Date: 2007-11-06
• [Presentation] Fe_3Ga単結晶の擬弾性挙動に及ぼす熱処理の影響 (2007)
  • Author(s): 安田弘行、青木満宏、馬越佑吉
  • Organizer: 第154回日本鉄鋼協会秋季大会
  • Place of Presentation: 岐阜大学
  • Year and Date: 2007-09-21
• [Presentation] Fe_3Ga単結晶における擬弾性のバリエーション (2007)
  • Author(s): 小田恭宏、安田弘行、馬越佑吉
  • Organizer: 第141回日本金属学会秋期大会
  • Place of Presentation: 岐阜大学
  • Year and Date: 2007-09-21
• [Presentation] APB擬弾性を示すFe_3Al単結晶の制振特性 (2007)
  • Author(s): 福島幸記、安田弘行、馬越佑吉
  • Organizer: 第141回日本金属学会秋期大会
  • Place of Presentation: 岐阜大学
  • Year and Date: 2007-09-21
• [Presentation] D0_3型Fe基化合物単結晶の擬弾性挙動のその場観察 (2007)
  • Author(s): 小田恭宏、安田弘行、馬越佑吉、J.Th.M. De Hosson, P.M. Pronsveld
  • Organizer: 第140回日本金属学会春期大会
  • Place of Presentation: 千葉工業大学
  • Year and Date: 2007-03-29
• [Presentation] マルテンサイト変態に因らないFe_3Al単結晶の擬弾性挙動 (2007)
  • Author(s): 安田弘行、馬越佑吉
  • Organizer: 第140回日本金属学会春期大会
  • Place of Presentation: 千葉工業大学
  • Year and Date: 2007-03-28
• [Presentation] Effect of dislocation and microstructure of on pseudoelasticity of Fe_3Al single crystals with D0_3 structure (2006)
  • Author(s): Y. Umakoshi, T. Nakajima and H.Y. Yasuda
  • Organizer: MRS2006 fall meeting
  • Place of Presentation: 米国ボストン、ハインズコンベンションセンター
  • Year and Date: 2006-11-27
• [Presentation] Fe_3Al単結晶のAPB擬弾性挙動に及ぼすマクロアロイングの影響 (2006)
  • Author(s): 横山暁政、安田弘行、馬越佑吉
  • Organizer: 第139回日本金属学会秋期大会
  • Place of Presentation: 新潟大学
  • Year and Date: 2006-09-18
• [Presentation] Fe_3(Al,Ga)擬二元系単結晶のAPB擬弾性挙動 (2006)
  • Author(s): 柴田健、安田弘行、馬越佑吉
  • Organizer: 第139回日本金属学会秋期大会
  • Place of Presentation: 新潟大学
  • Year and Date: 2006-09-18
• [Book] (2006)
  • Author(s): 安田弘行、馬越佑吉、(他46名分担執筆)
  • Total Pages: 59-64
  • Publisher: 未来型アクチュエータ材料・デバイス