Influence of ambient temperature and AC magnetic field on damping behavior of Fe-13Cr-2.5Mo alloy

Yong-gang Xu; Ning Li; Bao-luo Shen; Hong-xing Hua

doi:10.1117/12.779607

13 November 2007 Influence of ambient temperature and AC magnetic field on damping behavior of Fe-13Cr-2.5Mo alloy

Yong-gang Xu, Ning Li, Bao-luo Shen, Hong-xing Hua

Proceedings Volume 6423, International Conference on Smart Materials and Nanotechnology in Engineering; 64231L (2007) https://doi.org/10.1117/12.779607
Event: International Conference on Smart Materials and Nanotechnology in Engineering, 2007, Harbin, China

Abstract

The damping behaviors of Fe-13Cr-2.5Mo alloy at ambient temperatures and the AC magnetic field are tested with the improved reversal torsion machine. The precipitations distributing in the annealed alloy are also observed with SEM. The results show that because the defections decrease during the annealing treatment, causing a higher damping capacity of this alloy. This damping drops linearly to 63% when the ambient temperature changes from 23^oC to 500^oC, resulting from the gradual decrease of ferromagnetism. On the other hand, the AC magnetic field causes the damping capacity to drop sharply, and finally it reaches a much lower level.

Citation Download Citation

Yong-gang Xu, Ning Li, Bao-luo Shen, and Hong-xing Hua "Influence of ambient temperature and AC magnetic field on damping behavior of Fe-13Cr-2.5Mo alloy", Proc. SPIE 6423, International Conference on Smart Materials and Nanotechnology in Engineering, 64231L (13 November 2007); https://doi.org/10.1117/12.779607

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