Plasma spheroidized ceramic powder
US6893994B2 · kind B2 · utility
13Cited by
7References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 13, 2002 |
| Grant date | May 17, 2005 |
| Priority date | — |
| Expiry date | Dec 14, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2982
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Thermal spray powders suitable for application of a thermal barrier coating on a substrate can be obtained by plasma spraying a chemically homogeneous zirconia stabilized in the tetragonal form using a stabilizing oxide such as yttria to obtain a powder comprising substantially spherical hollow zirconia particles with sizes less than about 200 micrometers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.