Stress-induced transformations at low temperatures in a Ni 45Co5Mn36In14 metamagnetic shape memory alloy

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The martensitic transformation behavior in a Ni45Co 5Mn36In14 was investigated at low temperatures. Almost perfect superelasticity was confirmed below 200 K. The reverse transformation finishing stress monotonically decreased with decreasing temperature and the forward transformation starting stress changed from a decrease to an increase at ∼125 K. The temperature dependence of equilibrium stress had the same tendency as that of equilibrium magnetic field, allowing the thermal transformation arrest temperature to be determined. The temperature dependence of hysteresis in stress-induced transformation was also similar to that in magnetic-field-induced transformation, and the levels of dissipation energy yielded by the stress and magnetic field were intrinsically equivalent.

Original languageEnglish
Article number242406
JournalApplied Physics Letters
Issue number24
Publication statusPublished - 2013 Dec 9

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)


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