以超组元（Ｓｕｐｅｒｅｌｅｍｅｎｔ）模型为基础，开发了计算热变形后Ｆｅ－ΣＸ_ｉ－Ｃ（Ｘ_ｉ＝Ｍｎ，Ｓｉ，Ｍｏ，Ａｌ，Ｃｕ，Ｎｉ，Ｃｏ，Ｃｒ等）多组元合金钢的Ａ（ｅ３）的方法，并着重分析了γ相热变形对Ａ（ｅ３）的影响，未变形合金钢Ａ（ｅ３）的计算值，与前人的实测值基本符合．
Based on the superelement model, the method to calculate Ae3 of hot-deformed Fe-ΣXi-C(Xi=Mn, Si, Mo, Al, Cu, Ni, Co, Cr etc) multicomponent alloy steels has been developed, and the influences of hot-deformation of γ-phase on Ae3 were analzed. The calculated Ae3 for nondeformed alloy steels are in good agreements with measured ones given by the previous works.
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