Canopies convert large hollow workpiece into inert-gas welding chamber. Large manifold serves welding chamber for attachment of liner parts in argon atmosphere. Every crevice, opening and passageway provided with argon-rich environment. Weld defects and oxidation dramatically reduced; also welding time reduced.
Argon Welding Inside A Workpiece
NASA Tech Briefs ; 12 , 7
1988-07-01
Miscellaneous
No indication
English
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