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本文研究了高速柴油机轴瓦的失效,讨论了20钢的疲劳裂纹扩展特性,并提出改进轴瓦材料的强度以防止其早期失效。
In this paper, the failure of high speed diesel engine bearing bush was studied. The fatigue crack propagation of 20 steel was discussed. The strength of the bearing bush was improved to prevent its early failure.