【摘要】 针对广东某发电厂1号机组润滑油管焊制三通开裂的事故,介绍了三通失效的机理,指出存在原始焊接缺陷的焊制三通焊缝尖角处在外力作用下开裂是三通失效的根本原因,为此,提出了今后在工作中应注意的事项及应采取的措施。更多还原

【Abstract】 In view of a welded tee cracking on lubrication oil pipeline of Unit 1 in a power plant in Guangdong,China,the failure mechanism of the welded tee is described.It was a weld defect combined with outside load that resulted in the failure of the welded tee.Matters needing attention in the future and measures to be adopted are put forward.更多还原