Method of making copper-nickel alloy foams
US11919080B2 · kind B2 · utility
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Key dates
| Filing date | Mar 11, 2019 |
| Grant date | Mar 5, 2024 |
| Priority date | — |
| Expiry date | Apr 30, 2039 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC22C1/08
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The successful fabrication of alloy foam (or porous alloy) is very rare, despite their potentially better properties and wider applicability than pure metallic foams. The processing of three-dimensional copper-nickel alloy foams is achieved through a strategic solid-solution alloying method based on oxide powder reduction or sintering processes, or both. Solid-solution alloy foams with five different compositions are successfully created, resulting in open-pore structures with varied porosity. The corrosion resistance of the synthesized copper-nickel alloy foams is superior to those of the pure copper and nickel foams.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.