Feasibility study on welding and cutting methods for thick plate in fusion reactor

Author

Osaki, T. ; Nakayama, Y. ; Kobayashi, Takehiko ; Yamada, T. ; Nagatani, H. ; Yamaguchi, M. ; Koizumi, K. ; Nakahira, M. ; Horie, M. ; Tada, E.

Author_Institution

Kawasaki Heavy Ind. Ltd., Tokyo, Japan

Volume

2

fYear

1995

fDate

30 Sep-5 Oct 1995

Firstpage

910

Abstract

Application of tungsten-arc inert-gas (TIG) welding with narrow gap has been considered as a hopeful joint method to suppress post welding deformation for thick plates. We studied some parameters to predict the post-welding deformation for the narrow gap shape of TIG welding. As for cutting methods, the water jet method was applied for weld joints in this study. Reweld tests by using the TIG welding method were successfully performed under the condition of cutting surface as it was. Results of tensile tests for reweld joints showed no reduction in strength. This reveals a good prospect of providing reweld groove surface without any machining on site

Keywords

cutting; fusion reactor materials; fusion reactor safety; welding; TIG welding; cutting methods; cutting surface; fusion reactor; narrow gap shape; post-welding deformation; reweld groove surface; reweld tests; tensile tests; thick plate; tungsten-arc inert-gas welding; water jet method; weld joints; Fusion reactors; Machining; Performance evaluation; Remote handling; Shape; Size measurement; Steel; Testing; Water jet cutting; Welding;

fLanguage

English

Publisher

ieee

Conference_Titel

Fusion Engineering, 1995. SOFE '95. Seeking a New Energy Era., 16th IEEE/NPSS Symposium

Conference_Location

Champaign, IL

Print_ISBN

0-7803-2969-4

Type

conf

DOI

10.1109/FUSION.1995.534372

Filename

534372