Magneto-mechanical and pseudoelastic damping of Fe-AI based single crystals

Hiroyuki Y. Yasuda; Kouki Fukushima; Yuichiro Koizumi; Yoritoshi Minamino; Yukichi Umakoshi.

doi:10.2355/isijinternational.49.1630

Magneto-mechanical and pseudoelastic damping of Fe-AI based single crystals

Hiroyuki Y. Yasuda, Kouki Fukushima, Yuichiro Koizumi, Yoritoshi Minamino, Yukichi Umakoshi.

Materials Processing and Characterization Division

Research output: Contribution to journal › Article › peer-review

4 Citations (Scopus)

Abstract

Damping behavior of Fe-16.0∼28.0at%AI and Fe-23.0at%AI-2.0at%M (M=Cr, Mn, Co, Ni) in the wide strain amplitude range was examined and the damping mechanism was discussed. In Fe-AI 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) super- partial dislocations appeared in Fe-23.0at%AI 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%AI 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-AI alloys.

Original language	English
Pages (from-to)	1630-1635
Number of pages	6
Journal	Isij International
Volume	49
Issue number	10
DOIs	https://doi.org/10.2355/isijinternational.49.1630
Publication status	Published - 2009

Keywords

Damping materials
Internal friction
Magneto-mechanical damping
Pseudoelasticity

ASJC Scopus subject areas

Mechanics of Materials
Mechanical Engineering
Metals and Alloys
Materials Chemistry

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title = "Magneto-mechanical and pseudoelastic damping of Fe-AI based single crystals",

abstract = "Damping behavior of Fe-16.0∼28.0at%AI and Fe-23.0at%AI-2.0at%M (M=Cr, Mn, Co, Ni) in the wide strain amplitude range was examined and the damping mechanism was discussed. In Fe-AI 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) super- partial dislocations appeared in Fe-23.0at%AI 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%AI 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-AI alloys.",

keywords = "Damping materials, Internal friction, Magneto-mechanical damping, Pseudoelasticity",

author = "Yasuda, {Hiroyuki Y.} and Kouki Fukushima and Yuichiro Koizumi and Yoritoshi Minamino and Yukichi Umakoshi.",

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TY - JOUR

T1 - Magneto-mechanical and pseudoelastic damping of Fe-AI based single crystals

AU - Yasuda, Hiroyuki Y.

AU - Fukushima, Kouki

AU - Koizumi, Yuichiro

AU - Minamino, Yoritoshi

AU - Umakoshi., Yukichi

PY - 2009

Y1 - 2009

N2 - Damping behavior of Fe-16.0∼28.0at%AI and Fe-23.0at%AI-2.0at%M (M=Cr, Mn, Co, Ni) in the wide strain amplitude range was examined and the damping mechanism was discussed. In Fe-AI 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) super- partial dislocations appeared in Fe-23.0at%AI 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%AI 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-AI alloys.

AB - Damping behavior of Fe-16.0∼28.0at%AI and Fe-23.0at%AI-2.0at%M (M=Cr, Mn, Co, Ni) in the wide strain amplitude range was examined and the damping mechanism was discussed. In Fe-AI 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) super- partial dislocations appeared in Fe-23.0at%AI 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%AI 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-AI alloys.

KW - Damping materials

KW - Internal friction

KW - Magneto-mechanical damping

KW - Pseudoelasticity

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Magneto-mechanical and pseudoelastic damping of Fe-AI based single crystals

Abstract

Keywords

ASJC Scopus subject areas

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