Sintered composite boron carbide body and production process the

Details Sintered composite boron carbide body and production process the Sintered composite boron carbide body and production process the

1991-12-06

1995-05-23

Bell, Mark L.

Compositions: ceramic

Ceramic compositions

Carbide or oxycarbide containing

501 91, 501 92, C04B 3556, C04B 3558

Patent

active

054181968

ABSTRACT:
A sintered composite boron carbide body with SiC and/or TiB.sub.2 having a grain size of the order of nanometers and distributed among B.sub.4 C crystal grains and/or within the B.sub.4 C crystal grains is produced by hot-pressing a powder mix, which is composed of 44-99.5 vol. % B.sub.4 C, 0.5-60 vol. % SiC and/or 0.5-60 vol. % TiC, at 1,800-2,300.degree. C. for 5-600 minutes.

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