| 156F汽油机曲轴断裂分析 |
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| 引用本文： | 陈丽凤.156F汽油机曲轴断裂分析[J].冶金丛刊,2002(1):22-24. |
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| 作者姓名： | 陈丽凤 |
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| 作者单位： | 五羊-本田摩托(广州)有限公司 |
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| 摘 要： | 对156F汽油机曲轴断裂进行了化学成分、力学性能、显微组织以及断口形貌等综合分析，结果表明，曲轴的断裂是由于未按工艺要求进行正火细化晶粒处理、材质存在内部冶金缺陷、基体调质组织 不合格等综合因素作用。
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| 关 键 词： | 曲轴 断口 调质组织 断裂 汽油机 45钢 正火 |
FAILURE ANALYSIS OF CRANKSHAFT IN 156F GASOLINE ENGINE |
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| Chen Lifeng.FAILURE ANALYSIS OF CRANKSHAFT IN 156F GASOLINE ENGINE[J].Metallurgical Collections,2002(1):22-24. |
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| Authors: | Chen Lifeng |
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| Affiliation: | Chen Lifeng |
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| Abstract: | Chemical composition, mechanical property, microstructure and fracture morphology of the faihure crankshaft in 156F gasoline engine were comprehensively investigated. The results showed that the failure of crankshaft was caused without fine-grained normalizing treatment according to process, by the existence of impurity inside steel substrate, and the poor microstructure after hardening and tempering in core area. |
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| Keywords: | crankshaft fracture hardening and tempering microstructure |
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