Aluminum alloy sheet for superplastic forming
US7575811B2 · kind B2 · utility
1Cited by
4References
3Claims
0Family size
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Key dates
| Filing date | Aug 29, 2006 |
| Grant date | Aug 18, 2009 |
| Priority date | — |
| Expiry date | Aug 29, 2026 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB21D26/055
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A hydrous oxide film is formed on the surface of a superplastic forming aluminum alloy sheet. The superplastic forming aluminum alloy sheet can be formed without applying a lubricant to a die, exhibits excellent releasability, and prevents scratches due to sliding between the die and the sheet.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.