Production of metastable tetragonal zirconia
US4520114A · kind A · utility
35Cited by
5References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 22, 1984 |
| Grant date | May 28, 1985 |
| Priority date | — |
| Expiry date | Aug 22, 2004 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01P2006/80
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
This invention provides a process for producing a fine grain metastable tetragonal zirconia which has an average particle size less than about 1000 angstroms in diameter. The process involves multistage thermolysis of precursor solids comprising a homogeneous mixture of .beta.-ketonate compounds of zirconium and a stabilizer metal such as yttrium.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.