| SWRCH8A冷镦开裂原因分析 |
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| 引用本文： | 任安超,朱敏,周剑华.SWRCH8A冷镦开裂原因分析[J].武汉工程职业技术学院学报,2012,24(2):22-24. |
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| 作者姓名： | 任安超 朱敏 周剑华 |
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| 作者单位： | 1. 武汉科技大学材料与冶金学院,湖北武汉430081;武钢研究院,湖北武汉430080
2. 武钢研究院,湖北武汉,430080 |
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| 摘 要： | 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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| 关 键 词： | SWRCH8A 开裂 线状缺陷 |
Analysis of SWRCH8A Steel Cracking in the Cold Heading Process |
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| REN Anchao
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ZHU Min
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ZHOU Jianhua.Analysis of SWRCH8A Steel Cracking in the Cold Heading Process[J].Journal of University for Staff and Workers of Wuhan Iron and Steel(Group)Corporation,2012,24(2):22-24. |
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| Authors: | REN Anchao ZHU Min ZHOU Jianhua |
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| Institution: | REN Anchao ZHU Min ZHOU Jianhua |
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| Abstract: | Cold heading SWRCH8A steel tends to deform in application,with cracks appearing on the surface.To improve the property of cold heading steel and reduce the cracking rate,investigation and analysis are made to the sample pieces of SWRCH8A steel in the cold-heading process under scanning electron microscope through metallographic detection via energy spectrum analysis.The results show that cracking is caused by striation defects,for the organization is normal around defects and large-grained inclusion does not appear.The relative improvement methods are proposed. |
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| Keywords: | SWRCH8A crack striation defects |
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