Thermally stable polycrystalline ultra-hard constructions

Details Thermally stable polycrystalline ultra-hard constructions Thermally stable polycrystalline ultra-hard constructions

C - Chemistry, Metallurgy

04

B

C04B 35/56 (2006.01) B01J 19/02 (2006.01) C04B 35/52 (2006.01) C04B 35/64 (2006.01) E21B 10/00 (2006.01) E21B 10/46 (2006.01)

Patent

CA 2567011

Thermally stable polycrystalline constructions comprise a body having a polycrystalline ultra-hard phase and a plurality of empty voids. A population of the voids can be filled with a reaction product. The body is substantially free of a catalyst material. The construction comprises a first support member attached to the body by a first braze material. A second support member is attached to the body and the first support member by a second braze material. The construction may include a third support member attached to the body that is integral or separate from one of the other support members. The braze materials used to attached the support members can be the same or different, as can be the materials used to form the different support members.

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