ITER PF支撑结构焊接技术  

Welding technology of ITER PF support

作　　者：廖敏[1] 李鹏远[1] 孙振超[1] 束润涛[1] 

机构地区：[1]核工业西南物理研究院,成都610041

出　　处：《核聚变与等离子体物理》2015年第3期217-222,共6页Nuclear Fusion and Plasma Physics

摘　　要：介绍了ITER PF支撑结构制造工艺及焊接技术方案,阐述了对控制焊接变形应力、提高低温冲击韧性、控制焊缝铁素体含量等采取的技术措施。焊后应力消除方案以及防变形措施使得加工精度和成品质量得到了提高。The manufacturing process and welding technology of PF coil support are introduced, and the taken technical measures to control the deformation stress of welding, to improve low temperature impact toughness and to control the weld ferrite content are explained. The machine accuracy and the quality were improvedthrough post weld stress relief and anti deformation measures.

关 键 词：ITER重力支撑 焊接 奥氏体不锈钢 热处理 

分 类 号：TG457.1[金属学及工艺—焊接]