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DSC was used to study the effects of predeformation on the reverse martensitic transformation of near-equiatomic TiNi alloy. Both the start temperature A. and the finish temperature Af of the reverse transformation increased with increasing degree of predeformation, but the algebraic difference between A. and Af decreased with increasing predeformation until it reached a minimum value, then remained unchanged with further deformation. Transformation heat also increased with increasing predeformation until it reached a maximum value, then decreased with further predeformation. All the phenomena above were considered to be closely related With the release of elastic strain energy during predeformation.
DSC was used to study the effects of predeformation on the reverse martensitic transformation of near-equiatomic TiNi alloy. Both the start temperature A. and the finish temperature Af of the reverse transformation increased with increasing degree of predeformation, but the algebraic difference between A. and Af decreased with increasing predeformation until it reached a minimum value, then been unchanged unchanged with further deformation. With the release of elastic strain energy during predeformation.