Preparation of high density carbide ceramics with preceramic...

Details Preparation of high density carbide ceramics with preceramic... Preparation of high density carbide ceramics with preceramic...

C - Chemistry, Metallurgy

04

B

25/141, 400/7212

C04B 35/563 (2006.01) C04B 35/64 (2006.01) C04B 35/645 (2006.01) C08K 3/38 (2006.01)

Patent

CA 2034916

This invention relates to the preparation of a highly densified boron carbide ceramic body by the pyrolysis of a mixture comprising boron carbide powder and a preceramic organosilicon polymer selected from the group consisting of polysiloxanes, polysilazanes, polysilanes, metallopoly- siloxanes and metallopolysilanes. Such highly densified ceramic bodies can be prepared by sintering under pressure or by utilizing a pressureless process.

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