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Failure analysis of 40CrNiMo steel gear shaft
Author(s): 
Pages: 376-378
Year: Issue:  S1
Journal: Heat Treatment of Metals

Keyword:  40CrNiMo钢齿轮轴 失效分析 疲劳断裂;
Abstract: 通过化学成分分析、力学性能测试、光学显微镜分析、扫描电镜X和射线能谱仪,对40CrNiMo钢齿轮轴断裂原因进行分析。失效分析结果表明,齿轮轴断裂为疲劳断裂,调质热处理不当及机加工缺陷是齿轮轴断裂的主要原因。
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