Abstract
In this research, the tensile properties of a Fe-32Mn-12Cr-0.4C cryogenic alloy were investigated at temperatures between {minus}196 C to 250 C. This study was intended to clarify the influence of temperature on tensile properties and to correlate the deformed microstructures with the tensile elongation. The formation of strain-induced changes, deformation twins and strain-induced {var_epsilon}-martensite, was analyzed at various temperatures. The effects of the strain-induced changes on strain hardening rate were discussed to explain the variation of tensile elongation of Fe-32Mn-12Cr-0.4C cryogenic alloy.
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