High-strength, high-toughness matrix bit bodies
US7250069B2 · kind B2 · utility
62Cited by
6References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 18, 2003 |
| Grant date | Jul 31, 2007 |
| Priority date | — |
| Expiry date | Mar 17, 2024 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB22F2999/00
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A new composition for forming a matrix body which includes spherical sintered tungsten carbide and an infiltration binder including one or more metals or alloys is disclosed. In some embodiments, the composition may include a Group VIIIB metal selected from one of Ni, Co, Fe, and alloys thereof. Moreover, the composition may also include cast tungsten carbide. In addition, the composition may also include carburized tungsten carbide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.