Electric heating – Metal heating – By arc
Patent
1984-10-01
1988-05-10
Albritton, C. L.
Electric heating
Metal heating
By arc
219121LE, 427 531, B23K 2600
Patent
active
047437332
ABSTRACT:
In the repair of a metallic article portion, a metal powder and laser beam are applied concurrently, the laser beam being applied in a power density range of 10.sup.4 to 10.sup.6 watts per square centimeter at an interaction time between the laser and the article and powder of 0.005-2 seconds to generate a repair layer.
Apparatus for delivering a consistent, continuous flow of powder comprises the combination of an enclosed powder reservoir including means to introduce a gas under pressure, a mechanical means to feed powder into a conduit, a conduit vibrating means, and a fluid-cooled powder delivery nozzle.
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Cooper, Jr. Ernest B.
Mehta Paul P.
Otten Robert R.
Albritton C. L.
General Electric Company
Lawrence Derek P.
Sachs Lee H.
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