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Effect of Aging Treatment on Damping Capacity in Mncunife Alloy

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Abstract:

M2052 alloys with various aging treatments are obtained in order to investigate the relationship between aging treatment and damping capacity by the torsion pendulum, X-Ray Diffraction (XRD) and Transmission Electron Microscope (TEM) methods. The results show that M2052 can obtain high damping capacity (δ>0.2) when aged at a range from 400°C to 450°C, and the damping capacity after aged at a lower temperature is higher than that aged at a higher temperature for the maximum values. TEM and XRD results show that fcc-fct transformation occurs after aging treatment. The volumes of fct structures are one of reason to affect the damping capacity in M2052 alloy. The better understanding aging treatment could promote the applications of M2052 alloy.

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Periodical:

Applied Mechanics and Materials (Volumes 246-247)

Pages:

1158-1162

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.246-247.1158

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Online since:

December 2012

Authors:

Xu Fu, Ning Li, Yu Hua Wen, Jing Teng, Ying Zhang

Keywords:

Damping Capacity, Lattice Distortion, Phase Transformation, Spinodal Decomposition

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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