The Martensitic transformation and shape memory effect of Fe-Mn-Si alloy with different deformation condition
2012
The stress induced martensitic transformation and shape memory effect in an Fe-17Mn-5Si-10Cr-5Ni shape memory
alloy with different deformation condition is studied by XRD analysis, metallographical and TEM observation. The
results show that the shape recovery ratio rapidly increases with the time increase, when the suspend loading time T<
10min; although the amount of the stress induced martensitic increases, the shape recovery ratio decreases, when the
suspend loading time T>10min, which reason is the stabilization of the stress induced martensitic. Suspending loading
10min can effective improve the shape recovery ratio.
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