Abstract

Shape memory alloy (SMA) have shown excellent ability for medical application. In this research, a three-dimensional SMA constitutive model with superelastic character is proposed based on the framework of general inelasticity and implemented successfully into the finite element software (e.g. ANSYS). The effectiveness of such implementation is verified by the experimental results of superelastic NiTi alloy taken from the literature. Finally, the stress distribution of a bolted joint for osteopathic medicine is analyzed by this model.

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