作者单位:XIONG Zhi-ping,GU Lei-gang,WANG Ye-ke(Cold Rolling Department,ClSDI Engineering Co.,Ltd.,Chongqing 401122,China)熊志平,辜蕾钢,王业科(中冶赛迪股份技术有限公司冷轧事业部,重庆401122)LIU Jie-ping(Chongqing Urban Construction Mechanic School,Chongqing 400071,China)刘界平(重庆市城市建设技工学校,重庆400071)BAO Wei-ping,REN Xue-ping(School of Materials Science and Engineering,University of Science and Technology Beijing,Beijing 100083,China)包卫平,任学平(北京科技大学材料科学与工程学院,北京100083)