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Identification of nickel-titanium alloy material model parameters based on experimental research

Hartwich Jonasz, Sławski Sebastian, Duda Sławomir

Journal of Theoretical and Applied Mechanics

2024

Vol. 62 nr 2

415--419

The paper presents an identification process of model parameters of a thin nickel-titanium alloy wire based on experimental research. The wire made of NiTi alloy was subjected to a tensile test to obtain the stress-strain characteristic. Parameters of the non-linear material model were identified based on the obtained experimental results. The material model used in the conducted research may be used for simulation of the shape memory effect and pseudoelasticity of the shape memory alloy. The generated results of numerical simulations have a good approximation with the conducted experimental tests.