NASA NTRS · 19920008458
Substantially Oxygen-Free Contact Tube
Abstract
A device for arc welding is provided in which a continuously-fed electrode wire is in electrical contact with a contact tube. The contact tube is improved by using a substantially oxygen-free conductive alloy in order to reduce the amount of electrical erosion.
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Pike, James F.. 1991-11-14. Substantially Oxygen-Free Contact Tube. https://ntrs.nasa.gov/citations/19920008458
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