不锈钢酸洗板线裂缺陷分析及在后续冷轧过程中的演变

摘要

Line crack specimen has been conducted metallographic analysis and SEM energy spectrum analysis to determine crack generation cause.Pickling plate with line crack has been cut to carry out cold rolling test.By analyses on macroscope and hardness and martensite content determination, effect of crack on surface quality of cold rolling plate and maximum rolling reduction ratio have been confirmed.%对线裂缺陷试样进行金相分析、扫描电镜能谱分析确定了此裂纹产生原因。截取有线裂缺陷的酸洗板进行冷轧轧制试验，通过对冷轧板进行宏观分析、硬度分析及马氏体含量测定，确定了裂纹对后续冷轧板表面质量的影响及最大轧制压下率。