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Effect of Deflection Rate on Bending Deformation Behavior of Fe-Based Shape Memory Alloy

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Abstract:

In this study, three-point bending test is conducted at various deformation rate by using a thin plate of Fe-based alloy. The rate sensitivity of its bending deformation during loading and shape memory effect by heating after unloading are investigated experimentally. The results obtained are summarized as bellows. (1) In the case where the quasi-static loading was applied, the positive rate sensitivity, which means the stress level increases with increasing the deflection rate, can be observed slightly. (2) It is hard to observe that recovery of deflection by SME depends on deflection rate under quasi-static loading. (3) In the case where the impact loading was applied, the positive rate sensitivity can be observed clearly.

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Periodical:

Applied Mechanics and Materials (Volume 566)

Pages:

116-121

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.566.116

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Online since:

June 2014

Authors:

Keizo Nishikori, Takeshi Iwamoto*

Keywords:

Bending Deformation, Deflection Rate, Fe-Based Shape Memory Alloy

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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