Method of forming diamond impregnated carbide via the in-situ conversion of dispersed graphite

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United States of America Patent

PATENT NO 5128080
SERIAL NO

07575134

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Abstract

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A method is shown for forming a diamond impregnated carbide containing dispersed diamond crystals, the crystals being formed via in-situ conversion of graphite to diamond. Graphite particles are blended with tungsten carbide power and a binder containing elemental powders known to be diamond catalyst. After blending, the powder is pressed into a green body of a desired shaped and sintered. After sintering, the body is loaded into a high temperature and pressure apparatus and exposed to conditions sufficient to convert the graphite to diamond.

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Patent Owner(s)

Patent OwnerAddress
HUGHES TOOL COMPANYP O BOX 2539 A CORP OF DE HOUSTON TX 77001

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hurst, Timothy W Houston, TX 1 23
Jurewicz, Stephen R Houston, TX 19 1425

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