This paper researched the weldability of this kind of dissimilar metal joints and the mechanical properties and microstructure changes after service based on this accident, and at the same time analyzed the reasons for early failure.
本文基于这一事故对P/A异种钢焊接接头的焊接性进行了研究，重点试验研究了接头在运行前后的力学性能及金相组织变化，并分析了其早期失效的原因。
参考来源 - 电站锅炉过热管异种钢焊接性研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Early failure occurred to offshore petroleum well drilling pipeline.
海上石油钻井管线发生早期穿孔失效。
The main cause of early failure of the gear was the leaning load on operation.
齿轮在运转过程中出现偏载是导致早期失效的主要原因。
The early failure phenomena of flyback transformer was discussed in this paper.
文章就回扫变压器的早期失效现象进行了探讨。
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