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We report a study of temperature and magnetic field induced strain across the martensite (MST)–austenite (AST) transition in Ni 50 Mn 34 In 16 alloy. Both the isothermal magnetic field variation and the variation of temperature at constant field can induce strain of greater than 0.1% in the MST–AST phase transition region. Furthermore, our results reveal the influence of the path traversed in field-temperature phase space on the strain generated in this Ni 50 Mn 34 In 16 alloy. Depending on the thermomagnetic history of the sample the induced strain can be reversible or irreversible in nature.
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Sharma et al. (2009) studied this question.
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