Magnetoelasticity and Young's modulus of Tb0.3Dy0.7Fe2 polycrystal

B. W. Wang; W. M. Huang; Y. Sun; L. Weng; W. M. Zhao; S. Y. Cao

doi:10.1117/12.779644

1 November 2007 Magnetoelasticity and Young's modulus of Tb_0.3Dy_0.7Fe₂ polycrystal

B. W. Wang, W. M. Huang, Y. Sun, L. Weng, W. M. Zhao, S. Y. Cao

Proceedings Volume 6423, International Conference on Smart Materials and Nanotechnology in Engineering; 64231N (2007) https://doi.org/10.1117/12.779644
Event: International Conference on Smart Materials and Nanotechnology in Engineering, 2007, Harbin, China

Abstract

Based on the atomic model of rare earth-Fe₂ (RFe₂) compounds, the magnetoelastic model of Laves phase RFe₂ compounds has been proposed and it can be used to explain the strain caused by both a magnetic field and a compressive stress. The magnetic field dependence of Young's modulus under different bias stress has been founded according to magnetoelastic theory. It is found that the calculating result is in a good agreement with the experimental one for Tb_0.3Dy_0.7Fe₂ alloy. This result indicates that the founded model can describe the relation between Young's modulus and magnetic fields under different bias stress.

Citation Download Citation

B. W. Wang, W. M. Huang, Y. Sun, L. Weng, W. M. Zhao, and S. Y. Cao "Magnetoelasticity and Young's modulus of Tb_0.3Dy_0.7Fe₂ polycrystal", Proc. SPIE 6423, International Conference on Smart Materials and Nanotechnology in Engineering, 64231N (1 November 2007); https://doi.org/10.1117/12.779644

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