MATERIALS TRANSACTIONS
Online ISSN : 1347-5320
Print ISSN : 1345-9678
ISSN-L : 1345-9678
Damping Capacity of Fe–17mass%Mn High Damping Alloy with Variant Controlled Microstructure
Yoshimi WatanabeYuusuke SugaHisashi SatoHideaki TsukamotoYoichi Nishino
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2013 Volume 54 Issue 8 Pages 1288-1294

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Abstract

In our previous study, it is reported that damping capacity as well as hardness of an Fe–20 mass%Mn alloy can be improved by the thermo-mechanical training featured by rolling deformation. In this study, the thermo-mechanical training of an Fe–17 mass%Mn alloy is carried out with bending mode, since vibration manner of the internal friction measurement refers to bending mode. An anisotropic damping capacity is observed for samples subjected to bending mode training. Moreover, the trade-off between the damping capacity and hardness can be overcome by thermo-mechanical training. To be concluded, the thermo-mechanical training is useful for enhancement of damping properties and hardness of Fe–Mn alloys.

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© 2013 The Japan Institute of Metals and Materials
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