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

1986-03-07

1992-10-13

Nelson, Peter A.

Plastic and nonmetallic article shaping or treating: processes

Including step of generating heat by friction

264121, 427190, 427249, 4272551, C23C 1600, C04B 3571

Patent

active

051548623

ABSTRACT:
Disclosed is 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 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.

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