PDC cutters with improved toughness
US5820985A · kind A · utility
22Cited by
12References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 7, 1995 |
| Grant date | Oct 13, 1998 |
| Priority date | — |
| Expiry date | Dec 7, 2015 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31678
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A polycrystalline diamond layer attached to a cemented metal carbide structure used as a cutter wherein the cutter has improved toughness or fracture resistance during use through the inclusion of boron, beryllium or the like therein.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.