Erosion resistant power generation components
US8128063B2 · kind B2 · utility
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2Claims
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Key dates
| Filing date | Apr 3, 2008 |
| Grant date | Mar 6, 2012 |
| Priority date | — |
| Expiry date | Nov 28, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/12944
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A power generation system valve stem comprising a nickel-based substrate and a WC-based coating thereon, wherein the WC based coating comprises WC particles in a matrix of Ni and/or Co wherein the average interfacial spacing between the WC particles is between 5 microns and about 20 microns on average.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.