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NUCLEAR FUSION AND PLASMA PHYSICS ›› 2015, Vol. 35 ›› Issue (3): 217-222.DOI: 10.16568/j.0254-6086.201503005

• Nuclear Fusion Engineering and Technology • Previous Articles     Next Articles

Welding technology of ITER PF support

LIAO-Min, LI Peng-yuan, SUN Zheng-chao,SHU Run-tao   

  1. (Southwestern Institute of Physics, Chengdu 610041)
  • Online:2015-09-15 Published:2015-09-15

ITER PF支撑结构焊接技术

廖 敏,李鹏远,孙振超, 束润涛   

  1. (核工业西南物理研究院,成都 610041)
  • 作者简介:廖敏(1976-),女,四川成都人,博士,研究员级高工,核能科学与工程专业,从事ITER 采购包质量管理工作。

Abstract:

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 improved through post weld stress relief and anti deformation measures.

Key words: ITER gravity support, Welding, austenitic stainless steel, Heat treatment

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。

关键词: ITER重力支撑, 焊接, 奥氏体不锈钢, 热处理

CLC Number: