【摘要】 采用提高刚性和正反面交替直道堆焊等方法解决了蒙乃尔合金换热器管板堆焊的变形问题。采取严格清理焊接区、提高焊材纯净度、加强熔池保护及控制线能量等措施消除了蒙乃尔合金焊接中的气孔和热裂纹 ,保证了产品焊接质量。更多还原

【Abstract】 By enhancing welded construction’s rigidity and both side alternative surfacing, the problem of tube plate deformation was solved. By strictly clearing up weld zone, improving welding material’s purity, strengthening molten pool’s shield and controlling energy input etc measures, weld zone’s hot crack and blowhole were prevented.更多还原