CEMENTED CARBIDE MATERIAL, A POLYCRYSTALLINE DIAMOND CONSTRUCTION INCLUDING CEMENTED CARBIDE MATERIAL AND METHOD OF MAKING SAME

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United States of America Patent

APP PUB NO 20240287655A1
SERIAL NO

18640158

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Abstract

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A cemented carbide material includes WC, Co and Re, in the amounts of between around 3 to around 10 wt. % Co and between around 0.5 to around 15 wt. % Re. The equivalent total carbon (ETC) content of the cemented carbide material with respect to WC is between around 6.3 wt. % to around 6.9 wt. % and the cemented carbide material is substantially free of eta-phase and free carbon. There is also disclosed a polycrystalline diamond construction having a substrate formed of such cemented carbide material bonded to a body of polycrystalline diamond material along an interface, the body of polycrystalline diamond material having a region adjacent the interface with the substrate which includes a plurality of diamond grains at least partially coated in rhenium carbide.

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Patent Owner(s)

Patent OwnerAddress
ELEMENT SIX GMBHBURGHAUN

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
KONYASHIN, Igo Yurievich Burghaun, DE 1 0
LACHMANN, Frank Friedrich Burghaun, DE 37 350
NILEN, Roger William Nigel Oxfordshire, GB 26 202
RIES, Bernd Heinrich Burghaun, DE 51 375

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