The failure of a gear shaft was analyzed by SEM analysis, macrograph, metallographical examination, mechanical test, chemical analysis and etc.
摘
扫描电镜、低倍检验、金相检验、力学试验和化学
析等方法，析了人字齿
轴发生劈裂的原因。
The failure of a gear shaft was analyzed by SEM analysis, macrograph, metallographical examination, mechanical test, chemical analysis and etc.
摘扫描电镜、低倍检验、金相检验、力学试验和化学析等方法，析了人字齿轴发生劈裂的原因。
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