Phase transitions and thermodynamics for the shape memory alloy AuZn
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A model for shape memory alloys described by a intermediate pattern between a first and a second order phase transition is studied. Moreover, by the thermodynamic compatibility of the model, we provide suitable restrictions on the potentials of the Ginzburg-Landau system. Finally, we present numerical simulations of this shape memory model, which are in good agreement with experimental data.
KeywordsPhase transitions Shape memory alloys Ginzburg-Landau equation
The authors have been partially supported by G.N.F.M.–I.N.D.A.M. and the first author by University of Bologna.
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