Phase Field Simulation of Reverse Martensite Transformation in Cu-Al-Ni Shape Memory Alloy
A three-dimensional phase field model with different martensite variants was established to simulate and pre-dict the reverse martensite transformation in Cu-Al-Ni shape memory alloy under extra load.Effects of extra load on elastic strain energy were verified,and effects of extra load on reverse martensite transformation were explored.The results indicate that the tensile and compression loads can hinder the process of reverse martensite transformation in Cu-Al-Ni shape memory alloy,which is attributed to the release of elastic strain energy stored in the martensite transforma-tion by tensile and compression load.In addition,phase field simulation and calculation demonstrates that the release effect of compression load on elastic strain is superior to that of the tensile load.
Phase Field SimulationReverse Martensite TransformationCu-Al-Ni AlloyElastic Strain Energy
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