Fe-Mn-Si alloys are shape memory alloys which makeuse of the Y -E Stress-induced martensitic transformation.In this study, we report the effects of alloying additions on the shape memory effect (SME)of these alloys.It was found that the Mstemperature, the N6el temperature (TN) and the volume of stress-induced martensite govern the SME.Through the optimization of these factors we found that new alloy systems such as and Fe-1 6Mn-5Si-12C~5Nialloys could exhibit good SME along with goodcorrosion resistance And it was also found that the thermomechanical treatment which improved the SME in Fe-Mn-Si base system was also effective to improve the SME of these new systems.
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Otsuka et al. (1990) studied this question.
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