Modifying macroscale variant combinations in a two-dimensional structure using mechanical loadings during thermally induced transformation

It is demonstrated how the formation of macroscopic martensite variant combinations in a two-dimensional shape memory alloy structure can be modified by mechanical loadings during thermally induced phase transformations. The dynamics involving square to rectangular transformations are modelled using a modified Ginzburg-Landau theory. The macroscale dynamics of the structure is described by a set of coupled partial differential equations of nonlinear dynamic thermoelasticity. The switching and modification of martensite variant combinations during thermally induced transformations are simulated using the developed dynamic model.