Mechanistic simulation of martensite reorientation deformation of polycrystalline NiTi

Yinong Liu, D. Favier, L. Orgeas

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

This paper proposes a mechanistic spring-slider model for simulating the deformation behaviour of polycrystalline NiTi via martensite reorientation. The model is based on the thermodynamic concept of elastic and frictional energies for thermoelastic martensitic transformations and the plasticity concept of grain interior and grain boundary phases. This model is found to be able to describe, in a schematic and qualitative manner, the deformation behaviour of thermoelastic martensite via variant reorientation in polycrystalline matrices. Such a model allows the discussion of several aspects concerning the thermal and mechanical behaviour of thermoelastic martensitic transformations, such as the non-linear recovery, deformation-induced two-way memory effect, strain dependence of mechanical hysteresis and minor loop behaviour of deformation.
Original languageEnglish
Pages (from-to)S207-S210
JournalSmart Materials and Structures
Volume14
Issue number5
DOIs
Publication statusPublished - 2005

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