Zirconia-alumina ceramic materials
US8927446B2 · kind B2 · utility
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10Claims
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Key dates
| Filing date | Jun 30, 2009 |
| Grant date | Jan 6, 2015 |
| Priority date | — |
| Expiry date | Feb 15, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S384/9071
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The present invention provides a ceramic material comprising: a first phase comprising zirconia, yttrium and cerium, wherein the yttrium and cerium are present in a molar ratio of 0.15 to 0.5 and in a combined amount of 5 to 15 mol %, a second phase comprising alumina, and a third phase comprising metal aluminate platelets.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.