Electric heating – Metal heating – For deposition welding
Patent
1996-05-09
1998-12-01
Paschall, Mark H.
Electric heating
Metal heating
For deposition welding
21912147, 21912152, 427446, B23K 1000
Patent
active
058441921
ABSTRACT:
A thermal spray method and apparatus for applying a coating on to a substrate is provided comprising the steps of: (1) providing powder particles to be deposited on to the substrate; (2) providing a plasma spray apparatus for depositing the powder particles; (3) providing structure for preheating the powder particles prior to the particles entering the plume; (4) preheating the powder particles prior to entraining the particles within the plasma; and (5) depositing the molten powder particles on to the substrate.
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Dalzell, Jr. William J.
Himich, Jr. George
O'Donoghue Raymond M.
Wright Robert J.
Getz Richard D.
Paschall Mark H.
United Technologies Corporation
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