作者单位:Zhang Tao,Zhang Jianliang,Zuo Haibin,Cao Weichao(State Key Laboratory of Advanced Metallurgy,University of Science and Technology Beijing,Beijing 100083,China)张涛,张建良,左海滨,曹维超(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,Meng Deli(Technology Department,Guofeng Iron and Steel Co.,Ltd,Tangshan 063300,Hebei,China)杜广阔,孟德礼(唐山国丰钢铁有限公司技术部,河北唐山063300)