Member for cavitation erosion resistance and method for manufacturing same
US8039108B2 · kind B2 · utility
1Cited by
17References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 26, 2007 |
| Grant date | Oct 18, 2011 |
| Priority date | — |
| Expiry date | Mar 12, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/30
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A member (1) resistant to erosion by cavitation on which an amorphous carbon film coating is formed on a surface of a base material has at least a first amorphous carbon film coating (4) having a plurality of columnar structures (4a) on the surface of the base material (2), and a second amorphous carbon film coating (5) having a plurality of granular structures (5a) deposited with no orientation on the surface of the first amorphous carbon film coating (4).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.