An Experimental Investigation in the dynamic stress of scavenging pump driving train of a two-stroke diesel engine has been carried out.

对一台二冲程柴油机的扫气泵传动轴的动应力进行了实验研究。

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Failure analysis of parietal cracking in scavenging pump made of die casting aluminium alloy was carried out by means of metallographic examination, SEM analysis and so on.

借助金相显微镜、扫描电镜等分析手段，对压铸铝合金清洗泵腔壁断裂失效的原因进行了分析。

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