Preceramic composition containing silicon based powder

Details Preceramic composition containing silicon based powder Preceramic composition containing silicon based powder

1991-01-24

1993-03-16

Nelson, Peter A.

Stock material or miscellaneous articles

Composite

Of silicon containing

428447, 524104, 524424, 524439, 524490, 524588, 524592, B32B 904

Patent

active

051943387

ABSTRACT:
Preceramic compositions which have particular utility in providing protective ceramic coatings on carbonaceous and other normally oxidizable substrates are prepared by dispersing about 0.4-3.0 parts by weight of a ceramic powder selected from silicon carbide, silicon nitride, and mixtures thereof with one another and/or with up to about 90% by weight of (1) a metal boride or (2) a mixture of a metal boride and zirconium metal in one part by weight of a polysilazane.

REFERENCES:
patent: 4397828 (1983-08-01), Seyferth et al.
patent: 4482669 (1984-11-01), Seyferth et al.
patent: 4645807 (1987-02-01), Seyferth et al.
patent: 4650837 (1987-03-01), Seyferth et al.
patent: 4659850 (1987-04-01), Arai et al.
patent: 4720532 (1988-01-01), Seyferth et al.
patent: 5066734 (1991-11-01), Colombier
patent: 5100844 (1992-03-01), Niebylski

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