Report presents results of study of variable-polarity plasma arc (VPPA) welding of aluminum alloy 2219. Consists of two parts: Examination of effects of microsegregation and transient weld stress on macrosegregation in weld pool and, electrical characterization of straight- and reverse-polarity portions of arc cycle.
Variable-Polarity Plasma Arc Welding Of Alloy 2219
NASA Tech Briefs ; 13 , 9
01.09.1989
Sonstige
Keine Angabe
Englisch
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