Title:
POLYCRYSTALLINE DIAMOND ABRASIVE ELEMENTS
Document Type and Number:
WIPO Patent Application WO2005061181
Kind Code:
A3
Abstract:
A polycrystalline diamond abrasive element, particularly a cutting element, comprises a layer of polycrystalline diamond having a working surface and bonded to a substrate, particularly a cemented carbide substrate, along an interface. The polycrystalline diamond abrasive element is characterised by using a binder phase that is homogeneously distributed through the polycrystalline diamond layer and that is of a fine scale. The polycrystalline diamond also has a region adjacent the working surface lean in catalysing material and a region rich in catalysing material.
Inventors:
LANCASTER BRETT (ZA)
ROBERTS BRONWYN ANNETTE (ZA)
PARKER IMRAAN (ZA)
TANK KLAUS (ZA)
ACHILLES ROY DEREK (ZA)
ROBERTS BRONWYN ANNETTE (ZA)
PARKER IMRAAN (ZA)
TANK KLAUS (ZA)
ACHILLES ROY DEREK (ZA)
Application Number:
PCT/IB2004/004038
Publication Date:
August 25, 2005
Filing Date:
December 09, 2004
Export Citation:
Assignee:
ELEMENT SIX PTY LTD (ZA)
LANCASTER BRETT (ZA)
ROBERTS BRONWYN ANNETTE (ZA)
PARKER IMRAAN (ZA)
TANK KLAUS (ZA)
ACHILLES ROY DEREK (ZA)
LANCASTER BRETT (ZA)
ROBERTS BRONWYN ANNETTE (ZA)
PARKER IMRAAN (ZA)
TANK KLAUS (ZA)
ACHILLES ROY DEREK (ZA)
International Classes:
B22F7/02; C22C26/00; E21B10/56; E21B10/567; (IPC1-7): E21B10/56; C22C26/00
Foreign References:
| EP1190791A2 | 2002-03-27 | |||
| EP0974566A1 | 2000-01-26 | |||
| US20020043407A1 | 2002-04-18 | |||
| US4224380A | 1980-09-23 | |||
| US5762843A | 1998-06-09 | |||
| US5127923A | 1992-07-07 |
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