Zinc-based metal plated steel sheet
US8221900B2 · kind B2 · utility
1Cited by
9References
4Claims
0Family size
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Key dates
| Filing date | Sep 3, 2008 |
| Grant date | Jul 17, 2012 |
| Priority date | — |
| Expiry date | Oct 9, 2028 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/265
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A zinc-based metal plated steel sheet is excellent in tribological properties during press forming. An oxide layer containing crystalline 3Zn(OH)2·ZnSO4·xH2O is formed on a plated surface. The oxide layer has a thickness of 10 nm or more. The crystalline oxide layer is composed of 3Zn(OH)2·ZnSO4·3-5H2O.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.