Composition for binder material particularly for drill bit bodies
US6461401B1 · kind B1 · utility
42Cited by
15References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 10, 2000 |
| Grant date | Oct 8, 2002 |
| Priority date | — |
| Expiry date | Aug 10, 2020 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB22F2005/001
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A composite structural metal use, for example, in drill bit bodies is disclosed. The metal includes powdered tungsten carbide, and binder metal consisting of a composition by weight of manganese in a range of about zero to 25 percent, nickel in a range of about zero to 15 percent, zinc in a range of about 3 to 20 percent, tin in a range of more than 1 percent to about 10 percent, and copper making up about 24 to 96 percent by weight of the composition. In one embodiment, the composition includes about 6 to 7 percent tin therein. In another embodiment, the composition includes about 0-6 percent by weight of cobalt.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.