作者单位:PIAN Jian-feng,SHEN Qiao-zhen,LUAN Guo-qing,ZHENG He-wu(Key Laboratory for Ferrous Metallurgy and Resources Utilization of Ministry of Education, Wuhan University of science and Technology, Wuhan 430081)骈建峰,沈巧珍,栾国庆,郑和武(武汉科技大学钢铁冶金及资源利用省部共建教育部重点实验室,武汉430081)