Polycrystalline diamond element comprising ultra-dispersed diamond grain structures and applications utilizing same
US7516804B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jul 31, 2006 |
| Grant date | Apr 14, 2009 |
| Priority date | — |
| Expiry date | Feb 16, 2027 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC22C29/06
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Superabrasive elements, methods of fabricating such elements, and applications utilizing such elements. In one embodiment, a superabrasive element includes a mass of polycrystalline diamond including ultra-dispersed diamond grain structures present in an amount greater than zero weight percent and less than about 75 weight percent of the mass of polycrystalline diamond. Various structures and apparatuses that utilize the superabrasive elements, such as polycrystalline diamond compacts (PDCs) and drill bits are disclosed. Methods of manufacture are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.