Fiber-containing composite

Details Fiber-containing composite Fiber-containing composite

1987-06-01

1991-05-14

Lechert, Jr., Stephen J.

Stock material or miscellaneous articles

Composite

Of inorganic material

264332, 428323, 428325, 428361, 428366, 428367, 428375, 428376, 428408, 428699, 428902, 501 92, B32B 900

Patent

active

050155407

ABSTRACT:
Fibrous material is coated with boron nitride and a silicon-wettable material, the coated fibrous material is admixed with an infiltration-promoting material which is at least partly elemental carbon and the mixture is formed into a preform which is infiltrated with molten silicon producing a composite containing boron nitride coated fibrous material.

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Hannache et al., "Boron Nitride Chemical Vapour Infiltration of Fibrous Materials from BCl--3NH--3H--2 or BF--3NH--3 Mixtures: A Thermodynamic and Experimental Approach", Journal of the Less-Common Metals, 95 (1983) pp. 221-246.
R. N. Singh & M. K. Brun, "Effect of Boron Nitride Coating on Fiber-Matrix Interaction", GE-87CRD051, Apr. 1987.
Abstract 22-C-87C "The Interface Between SiC Filaments and Silicon", H. T. Godard and K. T. Faber, Ceramics Bulletin, vol. 65, No. 11, Nov., 1986.
R. N. Singh & A. R. Gaddipati, "Mechanical Properties of a Uniaxially Reinforced Mullite-Silicon Carbide Composite", GE-87CRD120, Jun. 1987.

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