新氢压缩机十字头连接螺栓失效分析
Petro-Chemical Equipment(2011)
Abstract
从失效螺栓断口宏观特征、化学成分、力学性能、金相组织以及显微硬度检测等方面对其分析,结果是螺栓表面存在的部分脱碳层成为疲劳源,在交变应力作用下最终导致螺栓断裂失效。
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Key words
failure,crosshead binder bolt,compressor,fatigue,rupture surface
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