作者单位:ZHANG Dan,FENG Yun-li,QI Wen-jing(College of Metallurgy and Energy,Hebei United University,Hebei United University,Hebei key Laboratory of Modern Metallurgy Technology,Hebei,Tangshan 063009,China)张丹,冯运莉,齐文婧(河北联合大学冶金与能源学院,河北省现代冶金技术重点实验室,河北,唐山063009)