Method for manufacturing high-strength sintered silicon...

Details Method for manufacturing high-strength sintered silicon... Method for manufacturing high-strength sintered silicon...

C - Chemistry, Metallurgy

04

B

25/128

C04B 41/00 (2006.01) C04B 35/573 (2006.01)

Patent

CA 1237876

ABSTRACT In the manufacture of sintered silicon carbide articles, the addition of silicon powder as a densification aid in an amount of 0.3 to 3 parts by weight per 100 parts silicon carbide, together with 2-10 parts tar pitch and 0.03 to 0.15 parts of boron, in the form of a boron compound, serves to increase the density attainable for the green article, reduces the time taken for decomposition of organic substances and improves productivity and the dimensional accuracy of the sintered articles.

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