Magneto-mechanical and Pseudoelastic Damping of Fe-Al Based Single Crystals
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概要
- 論文の詳細を見る
Damping behavior of Fe–16.0~28.0at%Al and Fe–23.0at%Al–2.0at%M (M=Cr, Mn, Co, Ni) in the wide strain amplitude range was examined and the damping mechanism was discussed. In Fe–Al binary single crystals, magneto-mechanical damping caused by irreversible motion of magnetic domain walls took place at low strain amplitudes. On the other hand, pseudoelasticity based on reversible motion of 1/4 ‹111› superpartial dislocations appeared in Fe–23.0at%Al single crystals which also contributed to the high damping capacity at high strain amplitudes. The effect of Cr, Mn, Co and Ni on the vibration attenuation of Fe–23.0at%Al crystals was also examined. As a result, Ni doping was found to be effective in the increase in both internal friction and yield strength of Fe–Al alloys.
- 社団法人 日本鉄鋼協会の論文
- 2009-10-15
著者
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馬越 佑吉
大阪大学
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Umakoshi Yukichi
大阪大学 医学系研究科器官制御外科学
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Umakoshi Yukichi
National Institute For Materials Science
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Umakoshi Yukichi
Osaka Univ. Suita Jpn
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YASUDA Hiroyuki
Research Center for Ultra-High Voltage Electron Microscopy, Osaka University
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KOIZUMI Yuichiro
Department of Adaptive Machine Systems, Osaka University
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MINAMINO Yoritoshi
Department of Adaptive Machine Systems, Osaka University
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Yasuda Hiroyuki
Research Center For Ultra-high Voltage Electron Microscopy Osaka University
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Yasuda Hiroyuki
Div. Of Materials And Manufacturing Sci. Graduate School Of Engineering Osaka Univ.
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YASUDA Hiroyuki
Division of Materials and Manufacturing Science, Graduate School of Engineering, Osaka University
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FUKUSHIMA Kouki
Division of Materials and Manufacturing Science, Graduate School of Engineering, Osaka University
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Fukushima Kouki
Division Of Materials And Manufacturing Science Graduate School Of Engineering Osaka University
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Koizumi Yuichiro
Department Of Adaptive Machine Systems Graduate School Of Engineering Osaka University
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Minamino Yoritoshi
Department Of Adaptive Machine Systems Graduate School Of Engineering Osaka University
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Yasuda Hiroyuki
Division Of Materials And Manufacturing Science Graduate School Of Engineering Osaka University
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Umakoshi Yukichi
National Inst. For Materials Sci.
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Koizumi Yuichiro
Department of Adaptive Machine Systems, Graduate School of Engineering, Osaka University
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