Covering solid, film cooled surfaces with a duplex thermal barri

Details Covering solid, film cooled surfaces with a duplex thermal barri Covering solid, film cooled surfaces with a duplex thermal barri

1981-12-07

1983-09-06

Newsome, John H.

Coating processes

Electrical product produced

Integrated circuit, printed circuit, or circuit board

427243, 427247, 427423, B05D 108

Patent

active

044029926

ABSTRACT:
This invention is directed to applying thermal barrier coating systems to hardware having passageways in the walls connecting apertures in the surface to a gas supply for film cooling. An inert gas, such as argon, is discharged through the apertures during the application of the thermal barrier coating system by plasma spraying. This flow of inert gas reduces both blocking of the holes and base metal oxidation during the coating operation.

REFERENCES:
patent: 3450558 (1969-06-01), Whaley et al.
patent: 3892883 (1975-07-01), Leclercq
patent: 4050133 (1977-09-01), Cretella et al.
patent: 4095003 (1978-06-01), Weatherly et al.
patent: 4248940 (1981-02-01), Goward et al.
patent: 4251599 (1981-02-01), McCormick
patent: 4338360 (1982-07-01), Cavanagh et al.

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