[G] Phase Stability and Phase Transformations

10:25 AM - 10:40 AM JST(1:25 AM - 1:40 AM UTC)

[200] Experimental determination of equilibrium stress in stress-induced martensitic transformation at low temperatures

○Kodai Niitsu¹, Ryosuke Kainuma² (1. NIMS, 2. Tohoku Univ.)

Keywords:

Martensitic transformation,Strain-rate jump test,Thermal activation,Hysteresis

We applied the strain-rate jump test to stress-induced martensitic transformation. Based on the stress response to changes in strain rate, we quantified the thermally activated behavior of both the forward and reverse transformations, and determined the equilibrium stress in the low-temperature range.