Sintered ceramic product
US5017532A · kind A · utility
31Cited by
2References
35Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 12, 1989 |
| Grant date | May 21, 1991 |
| Priority date | — |
| Expiry date | May 12, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC04B35/486
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The invention provides a sintered ceria/zirconia ceramic and a method of making it. The product comprises a substantially homogeneous mixture of 76-92 mole % zirconia, 8-20 mole % ceria and 0.1-1.2 mole % lanthana and/or praseodymia. The method involves heating an artifact comprising said mixture to a temperature in the range 1200.degree.-1700.degree. C.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.