Method of forming composite articles from CVD gas streams and so

Details Method of forming composite articles from CVD gas streams and so Method of forming composite articles from CVD gas streams and so

1992-09-04

1994-09-20

Beck, Shrive

Coating processes

Solid particles or fibers applied

4272481, B05D 112, C23C 1644

Patent

active

053487656

ABSTRACT:
A method for forming composite articles, particularly ceramic articles, from particles or fibers mixed in a thermally activated reactant gas stream. The particles or fibers are codeposited with material produced by chemical vapor deposition (CVD) onto a heated substrate until the desired thickness of composite is obtained. Removal of the substrate yields a near-net shaped codeposited composite article having a chemical vapor deposition produced matrix with particles or fibers embedded therein in a generally uniform distribution. The method provides high deposition rates, and the composite articles produced may have enhanced strength, thermal shock resistance, and corrosion resistance at elevated temperatures.

REFERENCES:
patent: 3868266 (1975-02-01), Henderson
patent: 4425407 (1984-01-01), Galasso et al.
patent: 4877647 (1989-10-01), Klabunde

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