作者单位:Shu Yiyi,Li Bin,Liao Ming,Li Bichun(Iron and Steel Research Institute of Chongqing Iron and Steel Co.td.,Chongqing,400084)舒遗一,李斌,廖明,李碧春(重钢股份公司钢研所,重庆400084)Shen Tiecheng,Liu Dehong(Steel Making Factory of Chongqing Iron and Steel Co.Ltd.,Chongqing,400084)沈铁成,刘德宏(重钢股份公司炼钢厂,重庆400084)