JT-60SA vacuum vessel manufacturing and assembly

descriptionPublicationkeyboard_double_arrow_right Article 01 Aug 2012 English Publisher:Elsevier BVJournal:Fusion Engineering and Design, volume 87, pages 742-746 (issn: 0920-3796,

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Authors: Kei Masaki; Yusuke K. Shibama; Shinji Sakurai; Kiyoshi Shibanuma; Akira Sakasai;

doi: 10.1016/j.fusengdes.2012.02.014

JT-60SA vacuum vessel manufacturing and assembly

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Abstract

Abstract The JT-60SA vacuum vessel (VV) has a D-shaped poloidal cross section and a toroidal configuration with 10° segmented facets. A double wall structure is adopted to ensure high rigidity at operational load and high toroidal one-turn resistance. The material is 316L stainless steel with low cobalt content ( The manufacturing of the VV started in November 2009 after a fundamental welding R&D and a trial manufacturing of 20° upper half mock-up. The manufacturing of the first VV 40° sector was completed in May 2011. A basic concept and required jigs of the VV assembly were studied. This paper describes the design and manufacturing of the vacuum vessel. A plan of VV assembly in torus hall is also presented.

Related Organizations

Japan Atomic Energy Agency
Japan

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