Cemented carbide containing multi-component high entropy carbide and/or multi-component high entropy alloy
US12252767B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 26, 2022 |
| Grant date | Mar 18, 2025 |
| Priority date | — |
| Expiry date | Feb 18, 2043 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC22C2026/006
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A sintered cemented carbide includes a high entropy carbide or a spinodal decomposed product thereof; and a metallic binder containing at least one of Co, Co—Ru, Ni, Co—Ni, Co—Cr, Co—Ni—Cr, Co—Re, Co—Ni—Re, Co—Ni—Ru, or a high entropy alloy, wherein the high entropy carbide is a single-phase solid solution carbide comprising four to ten metallic elements, and the spinodal decomposed product thereof includes two chemically distinct phases having a same crystal structure. A sintered cemented carbide also includes a carbide including at least one of WC, TiC, ZrC, HfC, NbC, TaC, or Cr3C2; and a metallic binder including a high entropy alloy. The high entropy alloy is an alloy of four to ten alloy elements selected from Al, Be, Fe, Co, Cr, Ni, Cu, W, V, Zr, Ti, Mn, Hf, Nb, Mo, Ru, Re, Ge, Sn, C, B, or Si.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.