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通过对循环水泵轴断裂失效的宏观和微观分析,得出该循环水泵轴的失效属于腐蚀疲劳破坏,是弯曲循环载荷和循环水中的Cl~-离子共同作用的结果,并对今后防止这类失效提出了建议.
Through the macroscopical and microscopic analysis of the rupture failure of the circulating water pump shaft, it is concluded that the failure of the circulating water pump shaft belongs to the corrosion fatigue failure, which is the result of the combined action of the bending cyclic load and the Cl ~ - ions in the circulating water and prevents such failures in the future give suggestions.