Method of making carbonate PCD and sintering carbonate PCD on carbide substrate
US10315175B2 · kind B2 · utility
3Cited by
10References
10Claims
0Family size
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Key dates
| Filing date | Nov 14, 2013 |
| Grant date | Jun 11, 2019 |
| Priority date | — |
| Expiry date | Feb 7, 2034 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB24D3/00
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A method of forming a polycrystalline diamond body includes mixing a sintering agent with diamond powder to form a premixed layer, the sintering agent including at least one alkaline eat mewl carbonate; forming an infiltration layer adjacent to the premixed layer, the infiltration layer including an infiltrant material including at least one alkaline earth metal carbonate; and subjecting the premixed layer and the infiltration layer to high pressure high temperature conditions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.