The Influence of Alloying Constituent Fe on Mechanical Properties Of NiTi Based Shape Memory Alloys
作者： H. Naresh , H. S.Bharath , S. Prashantha
DOI: 10.1016/J.MATPR.2017.09.047
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摘要: Abstract The influences of Fe-addition on phase transformation behavior, mechanical properties and microstructure Ti50Ni50-xFex alloys were investigated by means optical microscopy, scanning electron microscopy (SEM) X-ray diffraction (XRD). Results indicate that, as a substitute for Ni, Fe added to TiNi can dramatically decrease the martensite temperature R are accordingly separated. results show that TiNiFe exhibit two-step martensitic transformation. start increases sharply from 212 K 267 when 2% is in, then decreases gradually if content further increases. hardness ternary before heat treatment constant up 6% composition suddenly 9% also it behaves same treated specimens because formation equilibrium precipitates Ni3Ti formation.
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