锻钢冷轧工作辊表面裂纹扩展引起的剥落分析  

Analysis on Peeling Caused by Surface Cracks Extension of Forging Steel Cold Mill Working Roll

作　　者：张林超 Zhang Linchao

机构地区：[1]日照钢铁控股集团有限公司,山东日照276800

出　　处：《中国重型装备》2022年第2期29-30,49,共3页CHINA HEAVY EQUIPMENT

摘　　要：对某钢厂因使用原因导致的锻钢冷轧工作辊表面裂纹扩展引起剥落现象进行分析,采用剥落形貌勘查、金相组织检测、线切割解剖等方法,研究损伤裂纹从扩展到最终剥落过程,并提出预防此类剥落事故的措施。Peeling issue caused by surface cracks extension of forging steel cold mill working roll in a steel plant has been analyzed.By methods of peeling appearance exploration,metallographic structure detection,line cutting dissection,development process from extending to final peeling of damage cracks has been researched,meanwhile measures preventing from peeling accidents have been put forward.

关 键 词：冷轧辊 剥落 表面裂纹 疲劳 

分 类 号：TG333.72[金属学及工艺—金属压力加工]