NASA NTRS · 19790000581
Welding multiple plies with an electron beam
Abstract
Method for electron-beam welding of multi-ply metal sheets eliminates ply separation and minimizes porosity. Method was developed for assembling bellows made of four plies of iron/nickel alloy sheets. Method consists of making successive stitch welds with electron beam until weld seam is completely filled in and all plies have been penetrated.
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Kiluk, F. J.. 1980-06-01. Welding multiple plies with an electron beam. https://ntrs.nasa.gov/citations/19790000581
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