主蒸汽管道支吊架角焊缝撕裂及材料劣化的研究

Research on Main Steam Pipeline Hanging Bracket Angular Weld Avulsion and Material Deterioration

在检验电厂主蒸汽管线支吊架的时候,发现了角焊缝撕裂。同时对撕裂处进行了金相图谱分析,进一步阐述了造成材质劣化所产生的机理。

Checking the main steam pipeline hanging bracket of the power plant, the fillet weld tearing of a leg is discovered. At the same time, the metallographic examination is carded out at the tearing and the mechanism caused ty the material quality degradation is further expounded.