Low expansion ceramic
US4801566A · kind A · utility
19Cited by
3References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 13, 1987 |
| Grant date | Jan 31, 1989 |
| Priority date | — |
| Expiry date | Mar 13, 2007 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC04B35/447
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Crystalline solid solutions and diphasic mixtures having a composition of Ca.sub.1-x M.sub.x Zr.sub.4 P.sub.6 O.sub.24, where M is Ba and/or Sr and X is between about 0.25 and 0.75, have been produced which display both low anisotropy and near zero bulk thermal expansion behavior.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.