NASA NTRS · 19940000079
Inert-Gas Diffuser For Plasma Or Arc Welding
Abstract
Inert-gas diffuser provides protective gas cover for weld bead as it cools. Follows welding torch, maintaining continuous flow of argon over newly formed joint and prevents it from oxidizing. Helps to ensure welds of consistently high quality. Devised for plasma arc keyhole welding of plates of 0.25-in. or greater thickness, also used in tungsten/inert-gas and other plasma or arc welding processes.
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Gilbert, Jeffrey L., Spencer, Carl N., Hosking, Timothy J.. 1994-02-01. Inert-Gas Diffuser For Plasma Or Arc Welding. https://ntrs.nasa.gov/citations/19940000079
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