Dynamic Properties of NiTi Shape Memory Alloy under Combined Compression-Shear Loading

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Abstract:

The desired compression-shear loading were applied by the beveled ends with different angles, and this new technique based on split Hopkinson pressure bar can be used to investigate the dynamic response of materials. A series of experiments of NiTi shape memory alloy were performed at different impact velocities and different loading angles, and the dynamic equivalent pressure curves were given. The initial phase transition points under different impact velocities were plotted on σ-τ stresss space, and the phase transition surfaces predicted by a dynamic phase transition criterion were given.

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Advanced Materials Research (Volumes 912-914)

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7-11

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April 2014

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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