Polycrystalline diamond composite compact
US9970240B2 · kind B2 · utility
0Cited by
14References
15Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Jan 13, 2014 |
| Grant date | May 15, 2018 |
| Priority date | — |
| Expiry date | Mar 26, 2035 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/25
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A polycrystalline diamond (PCD) composite compact element comprising a PCD structure bonded to a cemented carbide substrate, in which at least a peripheral region of the substrate comprises cemented carbide material having a mean free path (MFP) characteristic of at least about 0.1 microns and at most about 0.7 microns; and an elastic limit of at least about 1.9 GPa.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.