Variable polarity arc technology for the repair of coated articl

Electric heating – Metal heating – By arc

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Details

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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