Rapid Method for Determination of the Properties and Form Changing Parameters in Titanium Nickelide Based Alloys

Abstract

A method of qualitative assessing of the parameters of shape memory effect and superelasticity of NiTi alloys based on analysis of the physical and mechanical properties and temperature dependence of the martensite shear stress of titanium nickelide are presented. It is found that the experimental temperature dependencies of the shear stress of martensite provide determination of the level of the mechanical properties, parameters of the shape memory effect, superelasticity, and allocate the intervals of shape recovery under the effect of both temperature and strain. The method also makes possible to reduce time of analysis for titanium nickelide based alloys and get almost complete picture of their deformation behavior upon martensitic transformations.