Composite magnetic member excellent in corrosion resistance and method of producing the same
US6245441A · kind A · utility
8Cited by
4References
9Claims
0Family size
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Key dates
| Filing date | Jun 18, 1999 |
| Grant date | Jun 12, 2001 |
| Priority date | — |
| Expiry date | Jun 18, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/12986
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
This is a composite magnetic member excellent in corrosion resistance having a chemical composition consisting essentially, by weight, of 0.30 to 0.80% C, more than 16.0% but not more than 25.0% Cr, 0.1 to 4.0% Ni, 0.1 to 0.06% N, at least one kind not more than 2.0% in total selected from the group consisting of Si, Mn and Al, and the balance Fe and impurities, and having a ferromagnetic portion and a non-magnetic portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.