NASA NTRS · 19900000304
Etching Electrode Prevents Arcs
Abstract
Wooden part replaces stainless-steel part. Disposable electrode for etching Inco(R) 625 (or equivalent) alloy works better than previous, more expensive version. Size and shape of electrode makes it easier than before to etch in narrow grooves and other confined spaces. Designed to prevent arcing, which damages metal workpiece.
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Trost, Michael J., Yanagihara, Carl V.. 1990-06-01. Etching Electrode Prevents Arcs. https://ntrs.nasa.gov/citations/19900000304
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