Method of depositing a refractory inorganic coating on the surfa

Details Method of depositing a refractory inorganic coating on the surfa Method of depositing a refractory inorganic coating on the surfa

1990-12-06

1992-08-25

Beck, Shrive

Coating processes

Coating by vapor, gas, or smoke

Mixture of vapors or gases utilized

4272551, C23C 1200, C23C 1600

Patent

active

051417766

ABSTRACT:
The method relates to inorganic chemistry.
Pursuant to the method, a powder mixture comprising a transition metal, a nonmetal, an inert filler and an activator is prepared; a workpiece to be coated is embedded in the powder mixture and this is placed, integrally with the workpiece, into an oxygen-free medium for a subsequent heat treatment which is accomplished by a locally-initiated combustion of the powder mixture.

REFERENCES:
patent: 3622374 (1971-11-01), Pike
patent: 3862851 (1975-01-01), Speirs et al.
patent: 3900592 (1975-08-01), Kennedy
Collected Works "Thermochemical treatment of Metals and Alloys", 1974, pp. 126-127.
"Refractory Coatings", Moscow Metallurgia, 1973, pp. 357-370.
Patent Abstracts of Japan, JA 63-050,458 Jul. 27, 1988.

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