C - Chemistry – Metallurgy – 23 – C
Patent
C - Chemistry, Metallurgy
23
C
C23C 16/22 (2006.01) B01J 19/02 (2006.01) B01J 23/00 (2006.01) B01J 37/02 (2006.01) B65D 1/40 (2006.01) C10G 9/16 (2006.01) C23C 16/40 (2006.01) F01D 5/28 (2006.01) F02C 7/224 (2006.01) F02C 7/30 (2006.01) C23C 16/44 (2006.01)
Patent
CA 2132179
ABSTRACT OF THE DISCLOSURE Articles for hot hydrocarbon fluid wherein the surface for contacting the fluid is a diffusion barrier material or a catalytic material coated on a metal substrate. The material is either catalytically-inactive tantalum oxide which inhibits the formation of coke in the fluid or catalytically-active zirconium oxide which promotes the formation of a loosely adherent coke in the fluid while inhibiting the formation of gum in the fluid. The coating materials, i.e., the diffusion barrier coating material and the catalytic coating material, are deposited by chemical vapor deposition (CVD), e.g., by effusive chemical vapor deposition of an organometallic compound on the surface without the use of carrier gas, without pre- oxidation of the surface and without thermal decomposition of the diffusion barrier material or the catalytic coating material. The articles having the coated surface find utility in components subjected to high temperatures wherein the components are in contact with hydrocarbon fluids without additives, without special attention to quality control and without the need for special processing.
Company General Electric
Wilson Craig
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