1606 日本機械学会核融合設備規格超伝導マグネット構造規格 : 製作、非破壊試験、耐圧・もれ試験(OS16-2 核融合炉-多種多様な力学的環境における強度・設計問題)

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For construction of TF coil, a "Fabrication and Installation" standard FM-4000, accompanying a mandatory Appendix 41 "Welded Joint" and a "Nondestructive Examination (NDE)" standard FM-5000 accompanying a mandatory Appendix 51 for "Ultrasonic Examination Method" and a "pressure and Leak Testing" standard FM-6000 have been developed, based on other JSME standards for nuclear power plant (JSME S NB1) and also ASME Sec.VIII-div.2. Since TF coil structure does not include radioactive materials but is operated under high stress produced by high magnetic field, it is not safety-relevant-barrier with a fission reactor. The TF coil structure is mainly classified into two divisions; (1) Jacket and helium cooling pipe that is required for leak tightness, and (2) The general structure which is stressed only by the electromagnetic force. For the welded joint in the structure part (1), more severe requirements for NDE are prescribed in addition to the requirement for pressure and leak testing, based on JSME S NB1 and ASME Sec. III ND, NF, or Sec. VIII-div.2. All of weld joints are classified into 6 categories depending on strength and direction of the stress induced by the magnetic field. Approved weld joint configuration and welding process, NDE, pressure and leak testing required and also acceptance criteria of discontinuity are defined in each category. Qualification of welding personal and inspector are also defined, but its final responsibility is to the owner of TF coil.
2010-10-09

1606 日本機械学会核融合設備規格超伝導マグネット構造規格 : 製作、非破壊試験、耐圧・もれ試験(OS16-2 核融合炉-多種多様な力学的環境における強度・設計問題)

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