Stock material or miscellaneous articles – Coated or structually defined flake – particle – cell – strand,... – Rod – strand – filament or fiber
Patent
1992-12-17
1995-07-04
Raimund, Christopher W.
Stock material or miscellaneous articles
Coated or structually defined flake, particle, cell, strand,...
Rod, strand, filament or fiber
428367, 427249, 4272552, B32B 900
Patent
active
054298709
ABSTRACT:
A fiber is coated with boron carbide by contacting the fiber with a reaction mixture of a boron source and a carbon source at a temperature of at least about 1050.degree. C. such that the boron source and carbon source react with each other to produce a boron carbide coating on the fiber. The fiber comprises aluminum oxide, SiC, or Si.sub.3 N.sub.4 and the boron carbide coating comprises up to about 40 atomic percent boron.
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Paper presented at the 16th Annual Conference on Composites and Advanced Ceramic Materials, Jan. 7-10, 1992, Cocoa Beach, Fla., published by The American Ceramic Society, Michael A. Kmetz, John M. Laliberte, Steven L. Suib and Francis S. Gallaso, entitled "Synthesis, Characterization and Tensile Strength of CVI C/SiC, SiC/SiC, SiC/B.sub.4 C and C/B.sub.4 C Composites", pp. 743-751.
Galasso Francis S.
Kmetz Michael A.
Laliberte John M.
Suib Steven L.
Raimund Christopher W.
Romanik George J.
United Technologies Corporation
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