Abstract
Mechanical behavior of shape memory alloys and related deformation mechanisms are described: shape memory effect, superelasticity, elastic deformation, reorientation of martensite variants, stress-induced martensite formation and plastic deformation. The importance of strengthening to enhance shape memory effect is explained from the viewpoint of competition of deformation mechanisms. Stress–strain curves, strain–temperature curves, two-way shape memory effect, multistage martensitic transformation and effects of thermomechanical treatment and texture formation on mechanical behavior are also described for the comprehensive understanding of mechanical properties of shape memory and superelastic alloys.
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