Effects of VIM frequency on chemical composition, homogeneity and microstructure of NiTi shape memory alloy

Abstract

The concentration distribution and microstructure of NiTi shape memory alloys produced in vacuum induction furnaces operating at high and medium frequencies are compared with those of materials melted in vacuum resistance furnaces. The production procedure consisted of charging pure metals into a graphite crucible; raising the temperature to 1450°C under… (More)

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