Polycrystalline diamond compact (PDC) cutting element having multiple catalytic elements
US7635035B1 · kind B1 · utility
154Cited by
78References
31Claims
0Family size
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Key dates
| Filing date | Aug 24, 2005 |
| Grant date | Dec 22, 2009 |
| Priority date | — |
| Expiry date | Jan 31, 2026 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T407/27
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A polycrystalline diamond compact useful for wear, cutting, drilling, drawing and like applications is provided with a first diamond region remote from the working surface which has a metallic catalyzing material and a second diamond region adjacent to or including the working surface containing a non-metallic catalyst and the method of making such a compact is provided. This compact is particularly useful in high temperature operations, such as hard rock drilling because of the improved thermal stability at the working surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.