Cutting element having composite formed of cemented carbide substrate and diamond layer and method of making same
US4784023A · kind A · utility
257Cited by
9References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 5, 1985 |
| Grant date | Nov 15, 1988 |
| Priority date | — |
| Expiry date | Dec 5, 2005 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T408/81
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A cutting element comprises a stud and a composite bonded thereto. The composite comprises a substrate formed of cemented carbide, and a diamond layer bonded to the substrate. The interface between the diamond layer and substrate is defined by alternating ridges of diamond and cemented carbide which are mutually interlocked.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.