Gas turbine elements with coke resistant surfaces

Details Gas turbine elements with coke resistant surfaces Gas turbine elements with coke resistant surfaces

1991-12-20

1993-10-19

Roy, Upendra

Metal treatment

Stock

Carburized or nitrided

148218, 148237, 148238, C22F 100

Patent

active

052541835

ABSTRACT:
Elements for use as protecting fuel contacting surfaces of a gas turbine engine are protected from carbon deposition by heating the element in a nitrogen containing atmosphere for sufficient time to cause penetration and absorption of nitrogen into the grain boundaries of the alloy surface, which acts as a barrier between the hydrocarbon fuel and the catalytic elements in the surfaces.

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patent: 4264380 (1981-04-01), Rose et al.
patent: 4495003 (1985-01-01), Kubo
patent: 4511411 (1985-04-01), Brunner et al.
patent: 4588450 (1986-05-01), Purohit
patent: 4904316 (1990-02-01), Dawes et al.
patent: 5039357 (1991-08-01), Epler et al.

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