Polycrystalline diamond constructions with protective element
US10544627B2 · kind B2 · utility
0Cited by
7References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 11, 2016 |
| Grant date | Jan 28, 2020 |
| Priority date | — |
| Expiry date | Dec 11, 2036 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC22C26/00
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
PCD constructions as disclosed comprise a ultra-hard body attached with a metallic substrate along a substrate extending between the body and the substrate. The construction includes a protective feature or element that is configured to protect a metal rich region or zone existing in the construction from unwanted effects of corrosion or erosion. The protective element extends from the body over the interface and along a portion of the substrate and may be integral with the.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.