Borosilazanes as binders for the preparation of sintered silicon

Details Borosilazanes as binders for the preparation of sintered silicon Borosilazanes as binders for the preparation of sintered silicon

1991-06-26

1992-11-17

Bell, Mark L.

Compositions: ceramic

Ceramic compositions

Carbide or oxycarbide containing

501 92, 501 96, 264 65, 264 66, C04B 3552, C04B 3556

Patent

active

051643448

ABSTRACT:
This invention relates to the preparation of highly densified ceramic bodies by the pyrolysis of a mixture comprising a preceramic borosilazane, silicon carbide powder, and, optionally, a curing agent for the borosilazane. Such highly densified ceramic bodies can be prepared by sintering under pressure or by a pressureless sintering process.

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Funayama et al., Int Symp on Organosilicon Chem Directed Towards Mat Sci, Ab, 95-96, Sendai (1990).
Seyferth et al, J Am Ceram Soc 73, 2131-2133 (1990).
Noth. B Anorg Chem Org Chem, 16(9) 618-621 (1961).

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