Ceramic coating

Details Ceramic coating Ceramic coating

1989-02-28

1991-01-29

Beck, Shrive

Coating processes

Electrical product produced

Welding electrode

427 34, 427423, B05D 306, B05D 108

Patent

active

049885383

ABSTRACT:
A ceramic chromium oxide coating produced by applying a conventional chromium oxide coating to a substrate and wholly or partly fusing the conventional chromium oxide coating by subjecting the chromium oxide coating to laser irradiation. The chromium oxide coating can optionally contain silica and/or alumina and less than 1 percent of metal.
The chromium oxide coating can be employed for the internal and/or external protection of components in equipment for production and transport of oil and gas under water.

REFERENCES:
patent: 2607983 (1952-08-01), McBride
patent: 2775531 (1956-12-01), Montgomery et al.
patent: 3006782 (1961-10-01), Wheildon
patent: 3310423 (1967-03-01), Ingham
patent: 3789096 (1974-01-01), Church et al.
patent: 4377371 (1983-03-01), Wisander et al.
Patent Abstracts of Japan, vol. 10, No. 287 (C-375)(2343), Sep. 30, 1986; & JP-A-61 104 062 (Tsukishima Kikai Co. Ltd.), 22-05-1986.
World Patents Index Latest, database, Derwent Pub. Ltd., London, GB; Accession no. 86-321385, Week 49; & JP-A-61 159 577 (Mitsubishi Heavy Ind. KK), 19-07-1986.
"Character of Laser-Glazed, Plasma-Sprayed Zirconia Coatings on Stainless Steel Substrata"--G. S. Fischman et al.--pp. 908-919.
"Performance of Laser Glaxed ZrO2 TBCs in Cyclic Oxidation and Corrosion Burner Rig Tests"--I. Zaplatynsky--NASA Technical Memorandum 82830.

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