Particle-matrix composite drill bits with hardfacing
US8002052B2 · kind B2 · utility
13Cited by
229References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 27, 2007 |
| Grant date | Aug 23, 2011 |
| Priority date | — |
| Expiry date | Dec 1, 2027 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB22F2998/10
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A rotary drill bit includes a bit body substantially formed of a particle-matrix composite material having an exterior surface and an abrasive wear-resistant material disposed on at least a portion of the exterior surface of the bit body. Methods for applying an abrasive wear-resistant material to a surface of a drill bit are also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.