Abstract:In situ EBSD investigations were conducted to polycrystalline NiTi alloy during tensile deformation to study the variation selection of martensitic transformation and its effect on pseudoelasticity. Experiments show that more than one martensite variants are formed in most grains, and the directions of traces for some variants are close to the direction of macroscopic Lüders band. Then the Schmid factors of activated variants in each grain were calculated, the results show that Schmid factors of activated shea… Show more
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