作者单位:GAO Jia-qiang,HONG Jie,ZHOU Ye-dong,WANG Qi-jiang,LIU Jun-liang(Baosteel Research Institute, Shanghai 201900, China)高加强,洪杰,周冶东,王起江,刘俊亮(宝钢研究院(技术中心),上海201900)TODA Yoshiaki(National Institute of Materials Science, Tsukuba 305-0047, Japan)户田佳明(物质材料研究机构,日本筑波305-0047)