Aluminum alloy material having a surface of excellent zinc phosphate processability
US5389453A · kind A · utility
3Cited by
6References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 17, 1993 |
| Grant date | Feb 14, 1995 |
| Priority date | — |
| Expiry date | May 17, 2013 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/12792
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
An aluminum alloy material having a surface suitable for zinc phosphate processing prepared by a process comprising the steps of (1) cleaning the aluminum alloy surface, and (2) forming a composite film layer comprising Zn metal, Ni or Mn metal, and silicon oxide on the surface of the aluminum alloy.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.