Abstract

Martensite stabilization upon martensite ageing has been observed for many alloys undergoing thermoelastic martensitic transformation. In this paper, it is reported for the first time in a ferromagnetic Ni–Mn–Ga shape memory alloy. The stabilization increases with ageing time and temperature, and the activation energy of the process has been calculated. � 2005 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.

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