作者单位:CAO Weichao,ZHANG Jianliang,GUO Hongwei,ZHANG Tao(State Key Laboratory of Advanced Metallurgy,University of Science and Technology Beijing,Beijing 100083,China)曹维超,张建良,国宏伟,张涛(北京科技大学钢铁冶金新技术国家重点实验室,北京100083)Du Guangkuo,Zhao Xinliang(Technology Department,Guofeng Iron and Steel Co.,Ltd,Tangshan 063300,Hebei,China)杜广阔,赵信亮(唐山国丰钢铁有限公司技术部,河北唐山063300)