Finite element analysis of a superelastic shape memory alloy considering the effect of plasticity

• Autorzy: Jiang X. , Li B.

Identyfikatory

DOI

10.15632/jtam-pl.55.4.1355

• Języki publikacji: EN

Abstrakty

EN

In the present study, a shape memory alloy (SMA) phenomenological constitutive model is proposed that is capable of describing SMA superelastic behavior and the plasticity effect. The phase transformation constitutive model, by using strain and temperature as control variables to judge the phase transformation points in order to avoid the complexity of transformation correction, incorporates plasticity described by the von Mises isotropic hardening model. Further, the proposed model is implemented into the finite element package ANSYS by the user subroutine USERMAT. The results produced by the proposed model of simulated superelastic and plasticity behavior are compared with experimental data taken from the literature.

Słowa kluczowe

EN

SMAs; superelasticity; plasticity; constitutive law; finite element analysis

• Wydawca: Polskie Towarzystwo Mechaniki Teoretycznej i Stosowanej
• Czasopismo: Journal of Theoretical and Applied Mechanics
• Rocznik: 2017
• Tom: Vol. 55 nr 4
• Strony: 1355--1368
• Opis fizyczny: Bibliogr. 16 poz., rys.

Twórcy

autor

Jiang X.

• Xidian University, Key Laboratory of Electronic Equipment Structural Design, Xi’an, China
• State Key Laboratory of Structural Analysis for Industrial Equipment, Dalian University of Technology, Dalian, China
• State Key Laboratory for Manufacturing Systems Engineering, Xi’an Jiaotong University, Xi’an, China

autor

Li B.

• Xi’an Jiaotong University, State Key Laboratory for Manufacturing System, Xi’an, China

Bibliografia

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