Erosion-corrosion resistant carbide cermets for long term high temperature service
US7438741B1 · kind B1 · utility
5Cited by
34References
6Claims
0Family size
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Key dates
| Filing date | Apr 22, 2004 |
| Grant date | Oct 21, 2008 |
| Priority date | — |
| Expiry date | Apr 22, 2024 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC22C29/067
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Cermets are provided in which the ceramic phase is selected from the group consisting of Cr23C6, Cr7C3, Cr3C2 and mixtures thereof. The binder phase is selected from certain specified Ni/Cr alloys and certain Fe/Ni/Cr alloys. These cermets are particularly useful in protecting surfaces from erosion at high temperatures.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.