Aluminum titanate-mullite ceramic articles
US4483944A · kind A · utility
79Cited by
2References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 27, 1983 |
| Grant date | Nov 20, 1984 |
| Priority date | — |
| Expiry date | Jul 27, 2003 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24149
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
This invention is directed to the production of sintered ceramic articles wherein aluminum titanate and mullite constitute the predominant crystal phases and wherein the microstructure thereof evidences grain boundary and intracrystalline microcracking. The articles have base compositions encompassed within the area I, J, K, L, M, I of the drawing to which 0.5-5% Fe.sub.2 O.sub.3 and/or 0.5-5% rare earth metal oxide may be added.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.