60Si2MnA弹条疲劳断裂原因分析
Reason Analysis About Fatigue Fracture of 60Si2MnA Spring Bar
闫志波
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作者单位：石家庄职业技术学院 机电工程系, 河北 石家庄 050081
中文关键字：60Si2MnA； 弹条； 疲劳断裂
英文关键字：60Si2MnA; spring bar; fatigue fracture
中文摘要：通过化学成分分析、扫描电镜检验、金相分析、硬度测定等方法，分析了造成弹条断裂的主要原因，认为断裂主要是因组织缺陷造成的。提出了获得优良性能的途径。
英文摘要：By chemical composition analysis, SEM observation, metallographic analysis, hardness testing and other methods, the main reasons for the fracture of shells were analyzed. The results show that the fracture is mainly due to microstructure deficiencies. The heat treatment process of obtaining excellent performance is put forward.