Young's Modulus Anisotropy and Magnetomechanical Damping of [110]Oriented Tb0.3 Dy0.7 Fe1.95 Alloy

Chin. Phys. Lett.

2007, Vol. 24

Issue (6): 1611-1613 DOI:

Original Articles

Young's Modulus Anisotropy and Magnetomechanical Damping of [110]Oriented Tb_0.3 Dy_0.7 Fe_1.95 Alloy

PEI Yong-Mao;FANG Dai-Ning

Department of Engineering Mechanics, Tsinghua University, Beijing 100084

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PEI Yong-Mao, FANG Dai-Ning 2007 Chin. Phys. Lett. 24 1611-1613

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Abstract The △E effect and the magnetoelastic or magnetomechanical damping of vibrations in [110] oriented Tb0.3Dy0.7Fe1.95 alloy are experimentally studied by quasi-static stress--strain measurements under various constant magnetic fields between 0 and 3000Oe, where stress ranges are taken from about 0 to -25, -50, -75MPa. The linear stress--strain behaviour is obtained when the magnetic field is high enough (9000Oe). However, the modulus E varies with the angle θ between the compressive stress and magnetic field
(9000Oe), which shows that the anisotropy of the modulus E is related to the magnetic domain distribution.

Keywords: 46.25.Hf 75.80.+q

Received: 18 January 2007 Published: 17 May 2007

PACS:	46.25.Hf	(Thermoelasticity and electromagnetic elasticity (electroelasticity, magnetoelasticity))
	75.80.+q	(Magnetomechanical effects, magnetostriction)

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y2007/V24/I6/01611

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