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Welding distortion control technology in CFETR vacuum vessel
Fusion Engineering and Design ( IF 1.9 ) Pub Date : 2020-07-02 , DOI: 10.1016/j.fusengdes.2020.111851 Lei Xiu , Jiefeng Wu , Zhihong Liu , Jianguo Ma , Xiaosong Fan , Haibiao Ji
Fusion Engineering and Design ( IF 1.9 ) Pub Date : 2020-07-02 , DOI: 10.1016/j.fusengdes.2020.111851 Lei Xiu , Jiefeng Wu , Zhihong Liu , Jianguo Ma , Xiaosong Fan , Haibiao Ji
The vacuum vessel is very important component for China Fusion Engineering Test Reactor (CFETR), it is a double-layer shell structure with complex contour. The vacuum vessel is mainly formed by welding, which requires high precision of forming dimension. Welding distortion brings difficulties to the forming dimension control of vacuum vessel, so it is necessary to control the welding distortion in the progress of vacuum vessel welding. In this paper, many kinds of welding distortion control methods used in CFETR vacuum vessel manufacturing are introduced, and the application objects and key technology of each welding distortion control method are given. To accumulate experience for the formal CFETR vacuum vessel construction, and provide reference for other similar engineering construction.
更新日期：2020-07-02
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