Abstract
The present investigation concerns the effect of cryogenic treatment on mechanical properties and shape recovery behavior of the Ti-rich Ti–Ni alloy. The sample quenched in liquid nitrogen (CQ) has resulted in higher volume fraction of martensite (B19′) phases and exhibited higher amount of recoverable strain (∼10%) in the region of iso-stress tensile deformation in comparison to the samples quenched in ice water. Cold rolling of the sample at near liquid nitrogen temperature (CR), with and without subsequent aging treatment, has resulted in the bimodal distribution of martensite plate size and negligible amount of recoverable strain under iso-stress tensile deformation.
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