e-Article
Automated Variable-Polarity Plasma-Arc Welding
Document Type
Report
Author
Source
NASA Tech Briefs. 8(2)
Subject
Language
English
ISSN
0145-319X
Abstract
Variable-polarity plasma-arc methods produces better welds at lower cost than gas-shielded tungsten-arc welding in assemblies. Weld porosity very low and costs of joint preparation, depeaking, inspection, and weld repair minimized.