Electric heating – Metal heating – By arc
Patent
1996-01-16
1997-11-11
Shaw, Clifford C.
Electric heating
Metal heating
By arc
B23K 909
Patent
active
056860013
ABSTRACT:
Variable polarity welding is used to repair coated articles, particularly gas turbine engine components. The variable polarity welding process is found to remove the coating during the welding process. This permits the elimination of costly steps which would otherwise be needed in the repair process.
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Destefan, Dennis, "Basics to Know when Choosing a GTAW Power Source", Jan. 1995, 6 pgs.
Draghi Peter Jon
Wrabel Peter
Shaw Clifford C.
Sohl Charles E.
United Technologies Corporation
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