Experimental validation of a one-dimensional model for monolithic shape memory alloys with multiple pseudoelastic plateaus

A one-dimensional approach to simulate the mechanical properties of multifunctional pseudoelastic NiTi shape memory alloy has been developed. A novel laser processing technique was applied to a NiTi wire to locally alter the pseudoelastic properties, giving the wire different regions with unique material properties. An innovative analytical expression was developed and validated experimentally. The simulated material responses closely predicted the experimentally measured laser-processed shape memory wires.