Filament-containing composite

Details Filament-containing composite Filament-containing composite

1987-09-24

1994-07-19

Nelson, Peter A.

Stock material or miscellaneous articles

Composite

Of inorganic material

428113, 428446, 4273837, 427387, B32B 900, B05D 302

Patent

active

053308549

ABSTRACT:
Boron nitride is coated on filaments of elemental carbon and/or silicon carbide, the coated filaments are contacted with an infiltration-promoting material containing elemental carbon to produce a preform wherein the filaments are substantially parallel and each filament is enveloped with infiltration-promoting material, and the preform is infiltrated with molten silicon to produce a composite containing boron nitride coated filaments.

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Hannache et al., "Boron Nitride Chemical Vapour Infiltration of Fibrous Materials from BC1-3NH-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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H. T. Godard & K. T. Faber, "The Interface Between SiC Filaments and Si", Ceramic Eng. Sci. Proc., 8 (7-8), p. 644, (1987).

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