The welding residual deformation is the crucial influential factor in the design integrality,the rational manufacturing techniques and the service durability of welding structures.

• 焊接的非平衡加热、冷却过程导致产生焊接应力与变形,而焊接残余变形是影响结构设计完整性、制造工艺合理性和结构使用可靠性的关键因素。