A method for measuring transformation energy (Ept) of strain-induced martensite has been proposed from the tensile curves of 3 metastable steels.

• 依据应变诱发马氏体相变材料拉伸曲线的特点，提出了一种应变诱发马氏体相变能 Ept的测定方法，并测定了 3种材料在弹塑性失稳与应力平台阶段的相变能.