Method of producing and modifying the properties of ceramic...

Details Method of producing and modifying the properties of ceramic... Method of producing and modifying the properties of ceramic...

C - Chemistry, Metallurgy

04

B

25/141

C04B 35/52 (2006.01) C04B 35/56 (2006.01) C04B 35/58 (2006.01) C04B 35/65 (2006.01) C04B 41/50 (2006.01) C04B 41/87 (2006.01) C22C 29/00 (2006.01) C22C 29/06 (2006.01) C22C 29/14 (2006.01)

Patent

CA 1318776

- 12 - ABSTRACT This invention relates generally to a novel method of manufacturing a composite body. More particularly, the present invention relates to a method for modifying the resultant properties of a composite body, by, for example, minimizing the amount of porosity present in the composite body. Additives such as TaC, ZrC, ZrB2, VC, NbC, WC, W2B5 and/or Mo2B5 can be combined with a boron carbide material which is thereafter reactively infiltrated by a parent metal. The composite body comprises one or more boron-containing compounds (e.g., a boride or a boride and a carbide) which is made by the reactive infiltration of molten parent metal into the boron carbide mass. Particular emphasis is placed upon modifying the properties of a ZrB2-ZrC-Zr composite body. However, the methods disclosed in the application are believed to be generic to a number of parent metals and preform materials.

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