Abrasion resistant copper alloy
US5911949A · kind A · utility
16Cited by
7References
3Claims
0Family size
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Inventors
Key dates
| Filing date | Sep 16, 1997 |
| Grant date | Jun 15, 1999 |
| Priority date | — |
| Expiry date | Sep 16, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/1275
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
An abrasion resistant copper alloy suitable for the material of an overlaid layer formed at the valve seat of an engine cylinder head formed of aluminum alloy. The copper alloy consists essentially of nickel in an amount ranging from 10 to 30% by weight; silicon in an amount ranging from 0.5 to 5.0% by weight; at least one element selected from the group consisting of molybdenum, tungsten, tantalum, niobium and vanadium, in an amount ranging from 2.0 to 15.0% by weight; and balance being copper and impurities.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.