Tungsten and tungsten nitride coatings for metals and ceramics

Details Tungsten and tungsten nitride coatings for metals and ceramics Tungsten and tungsten nitride coatings for metals and ceramics

1990-11-06

1992-05-19

Beck, Shrive

Coating processes

Heat decomposition of applied coating or base material

427229, 4271261, 4271262, 427123, 427436, 427435, B05D 302

Patent

active

051147505

ABSTRACT:
Compositions and a process are disclosed for producing tungsten and tungsten nitride coatings on metals or ceramics, utilizing a tungsten-containing metal-organic precursor compound dissolved in an organic solvent. Conversion of the precursor compound to a tungsten or tungsten nitride coating is accomplished by heating the coated metal or ceramic to a temperature of about 600.degree.-1200.degree. C. under a nitrogen or other inert gas atmosphere.

REFERENCES:
patent: 3663280 (1972-05-01), Lee
patent: 3691421 (1972-09-01), Decker et al.
patent: 4948762 (1990-08-01), Krumbe et al.
patent: 4996083 (1991-02-01), Moser et al.
Nugent et al, Inorganic Chemistry 19 (1980) p. 777.
Vest et al, "Synthesis of metallo-organic compounds for MOD powders and films", MRS Proceedings, Symposium L Defect Properties and Processing of high-Technology Nonmetallic Materials (Boston, Mass.) Dec. 1985 pp. 1-10.

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