High density silicon carbide sintered bodies from borosiloxanes

Details High density silicon carbide sintered bodies from borosiloxanes High density silicon carbide sintered bodies from borosiloxanes

1991-03-25

1992-05-12

Dixon, Jr., William R.

Compositions: ceramic

Ceramic compositions

Carbide or oxycarbide containing

501 88, 501 92, 501 93, 501 96, C04B 3554

Patent

active

051127792

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

REFERENCES:
patent: 4267210 (1981-05-01), Yajima et al.
patent: 4267211 (1981-05-01), Yajima et al.
patent: 4604367 (1986-08-01), Takamizawa et al.
patent: 4618591 (1986-10-01), Okamura et al.
patent: 4735858 (1988-04-01), Hosokawa et al.
patent: 4851491 (1989-07-01), Riccitiello et al.
patent: 4888376 (1989-12-01), Atwell et al.

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