论文部分内容阅读
通过分析母材材质及力学性能、环焊缝接头的金相组织及其力学性能、宏观断口特点 ,找到了加热炉烟囱开裂的主要失效原因是在主体环焊缝附近存在夹层金属 ,夹层金属与母材之间存在严重的未焊透
By analyzing the material and mechanical properties of the parent material, the microstructure and mechanical properties of the girth weld joint and the characteristics of macroscopic fracture, the main failure cause of cracking in the furnace chimney was found to exist in the vicinity of the main girth weld. The interlayer metal, There is a serious lack of penetration between base metals