Ceramic body containing alumina and boron carbide

Compositions: ceramic – Ceramic compositions – Carbide or oxycarbide containing

Reexamination Certificate

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C501S127000

Reexamination Certificate

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11649079

ABSTRACT:
A ceramic body that includes between about 15 volume percent and about 35 volume percent of a boron carbide irregular-shaped phase, and at least about 50 volume percent alumina, and the ceramic body has a fracture toughness (KIC, 18.5 Kg Load E&C) greater than or equal to about 4.5 MPa·m0.5.

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