Zirconia-alumina ceramic article
US5726110A · kind A · utility
5Cited by
8References
8Claims
0Family size
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Key dates
| Filing date | Mar 6, 1997 |
| Grant date | Mar 10, 1998 |
| Priority date | — |
| Expiry date | Mar 6, 2017 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC04B35/119
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The present invention is a ceramic article of magnesium-X silicate, wherein X represents lithium, sodium, potassium or other monovalent ion from about 0.1 to 2 weight percent, and yttria stabilized zirconia and alumina composite from about 99.9 to 98 weight percent wherein the yttria stabilized zirconia has a molar ratio of yttria to zirconia of from 0.5:99.5 to 5:95 and the alumina comprises from 0.1 to 50 percent of the yttria stabilized zirconia and alumina composite.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.