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NiTiNb shape memory alloy (SMA) has been widely used for pipe coupling because it possesses the wider phase transformation hysteresis. In the present study, Ni47Ti44Nb9 (at.%) SMA, which is composed of B2 austenite phase and β-Nb phase, was subjected to local canning compression at the deformation degrees of 25%, 50% and 75%, respectively. Local canning compression causes Ni47Ti44Nb9 SMA to be in...
Based on equal channel angular extrusion (ECAE), NiTiFe shape memory alloy (SMA) was subjected to severe plastic deformation in order to obtain the refined microstructures. Finite element method (FEM), electron backscattered diffraction (EBSD) analysis and transmission electron microscopy (TEM) were used to investigate plastic deformation mechanisms of NiTiFe SMA subjected to ECAE. According to finite...
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