Modeling of strain-inducedγ→α′phase transformation for 201Cu metastable austenitic stainless steel and its verification in rolling processes
作者机构：School of Innovation Education and School of Metallurgical EngineeringAnhui University of TechnologyMa’anshan243032AnhuiChina State Key Laboratory of Development and Application Technology of Automotive Steels(Baowu Steel Group)Shanghai201900China
出 版 物：《Journal of Iron and Steel Research International》 (钢铁研究学报（英文版）)
年 卷 期：2024年第31卷第9期
页 面：2248-2254页
核心收录：
学科分类：08[工学] 080502[工学-材料学] 0805[工学-材料科学与工程（可授工学、理学学位）]
主 题：Modeling Volume fraction Strain-inducedα′phase 201Cu steel Cylindrical compression experiment
摘 要：To model the strain-inducedγ→α′phase transformation for the Cr-Mn metastable austenitic stainless steel,the 201Cu steel was chosen as the analytical material and the cylindrical samples of this steel with size ofϕ5 mm×10 mm were compressed at strains of 0.2–0.6 in the temperature range of 25–150℃ and in the strain rate range of 0.1–5.0 s^(−1).The flaky samples were prepared by wire cutting from the cylindrical samples and the volume fraction of the strain-inducedα′phase was detected in the test point of the flaky *** volume fraction changing with the process parameters was modeled,and the critical temperatures and the critical strains to preventγ→α′phase transformation were calculated as other different process parameters *** linear fitting goodness of the model between the calculated volume fraction values and the tested ones is 0.986 and the validity of the model was verified by application in cold and warm rolling experiments.
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