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Analysis of SWRCH8A Steel Cracking in the Cold Heading Process
Author(s): 
Pages: 22-24
Year: Issue:  2
Journal: Journal of Wuhan Engineering Institute

Abstract: 冷镦钢SWRCH8A在使用时变形较大,容易在表面造成开裂,为了改善SWRCH8A钢的性能,降低冷镦时开裂的几率,采用金相检验、扫描电镜及能谱分析等手段对开裂试样进行了观察和分析.结果表明:SWRCH8A钢开裂主要是原材料表面存在线状缺陷所致,而缺陷周围组织正常,也未见到大颗粒夹杂,提出改进措施.
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