Thermally stable ultra-hard material compact constructions

Details Thermally stable ultra-hard material compact constructions Thermally stable ultra-hard material compact constructions

C - Chemistry, Metallurgy

04

B

C04B 35/575 (2006.01) B23B 51/00 (2006.01) C04B 35/645 (2006.01)

Patent

CA 2548247

Thermally stable ultra-hard compact constructions of this invention comprise an ultra- hard material body that includes a thermally stable region positioned adjacent a surface of the body. The thermally stable region is formed from consolidated materials that are thermally stable at temperatures greater than about 750°C. The thermally stable region can occupy a partial portion of or the entire ultra-hard material body. The ultra-hard material body can comprise a composite of separate ultra-hard material elements that each form different regions of the body, at least one of the regions being thermally stable. The ultra- hard material body is attached to a desired substrate, an intermediate material is interposed between the body and the substrate, and the intermediate material joins the substrate and body together by high pressure/high temperature process.

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