Abstract

This article studies the deformation behavior of shape memory alloy materials under a constant uniaxial tension stress and the cycling of temperature considering damage. In the theoretical research, the influence of damage on the material’s permanent maturity in a single cycle is fully considered. By introducing damage into material parameters such as the module of elasticity and maximum uniaxial transformation strain, a thermodynamic constitutive model that can simulate the cyclic deformation behavior of shape memory alloy materials considering damage is established and the numerical results are compared with experimental and theoretical simulation results of others to verify the correctness of the model.

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