Effect of plastic deformation on stress-induced martensitic transformation of nanocrystalline NiTi alloy

X. B. Shi, Z. C. Hu, X. W. Hu, J. S. Zhang, L. S. Cui

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

A nanocrystalline NiTi alloy with average grain size of 16nm was acquired by cold drawing and annealing. The effect of plastic deformation on stress-induced martensitic transformation of the nanocrystalline NiTi alloy was investigated by the tension loading-unloading and heating-cooling cyclic tests. The results reveal that the nanocrystalline NiTi alloy experiences plastic deformation during the tensile loading process. The plastically deformed nanocrystalline NiTi alloy keeps the Lüders-type deformation, which is different from the coarse-grained and ultrafine-grained NiTi alloys.

Original languageEnglish
Pages (from-to)184-188
Number of pages5
JournalMaterials Characterization
Volume128
DOIs
Publication statusPublished - 1 Jun 2017
Externally publishedYes

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