Polycrystalline Diamond Abrasive Elements

Polycrystalline Diamond Abrasive Elements

A polycrystalline diamond abrasive element, particularly a cutting element, comprises a table of polycrystalline diamond bonded to a substrate, particularly a cemented carbide substrate, along a non-planar interface. The polycrystalline diamond abrasive element is characterised by the nonplanar inte...

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Hauptverfasser: LANCASTER BRETT, PARKER IMRAAN, ACHILLES ROY DERRICK, ROBERTS BRONWYN ANNETTE
Format: Patent
Sprache:eng
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EARTH DRILLING
EARTH DRILLING, e.g. DEEP DRILLING
FIXED CONSTRUCTIONS
GRINDING
MINING
OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
PERFORMING OPERATIONS
POLISHING
TOOLS FOR GRINDING, BUFFING, OR SHARPENING
TRANSPORTING
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creator LANCASTER BRETT
PARKER IMRAAN
ACHILLES ROY DERRICK
ROBERTS BRONWYN ANNETTE
description A polycrystalline diamond abrasive element, particularly a cutting element, comprises a table of polycrystalline diamond bonded to a substrate, particularly a cemented carbide substrate, along a non-planar interface. The polycrystalline diamond abrasive element is characterised by the nonplanar interface having a cruciform configuration, the polycrystalline diamond having a high wear-resistance, and the polycrystalline diamond having a region adjacent the working surface lean in catalysing material and a region rich in catalysing material. The polycrystalline diamond cutters have improved wear resistance, impact strength and cutter life than prior art cutters.
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subjects EARTH DRILLING
EARTH DRILLING, e.g. DEEP DRILLING
FIXED CONSTRUCTIONS
GRINDING
MINING
OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
PERFORMING OPERATIONS
POLISHING
TOOLS FOR GRINDING, BUFFING, OR SHARPENING
TRANSPORTING
title Polycrystalline Diamond Abrasive Elements
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