作者单位:Shu Yiyi,Li Bin,Liao Ming(Iron and Steel Research Institute of Chongqing Iron and Steel Co.td.,chongqing,400084)舒遗一,李斌,廖明(重钢股份公司钢研所,重庆400084)Li Bichun,Long Zhihui,Xie Wenshi(steel making factory of Chongqing Iron and Steel Co.Ltd.,chongqing,400084)李碧春,龙治辉,谢文仕(重钢股份公司炼钢厂,重庆长寿401258)