Method for depositing a variable thickness aluminide coating on

Details Method for depositing a variable thickness aluminide coating on Method for depositing a variable thickness aluminide coating on

1992-01-08

1993-07-06

Lusigan, Michael

Coating processes

Coating by vapor, gas, or smoke

Metal coating

427253, 427282, 298897, C23C 1600

Patent

active

052252469

ABSTRACT:
A method for coating articles, such as gas turbine blades, with a coating of variable thickness by securing a shield having one or more holes extending therethrough to the article thereby defining a shielded portion of the article, exposing the article and shield to a metal-bearing gas which is circulated around the article to deposit a metallic coating thereon, wherein the circulation of the gas adjacent the shielded portion of the article is restricted by the presence of the shield, thereby producing a substantially thinner coating on the shielded portion of the article than on the unshielded portion.

REFERENCES:
patent: 3486927 (1969-12-01), Gauje
patent: 4469719 (1984-09-01), Martin

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