Method for surface processing a zirconium or hafnium alloy, and component processed in this manner
US9340845B2 · kind B2 · utility
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7References
22Claims
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Key dates
| Filing date | Dec 15, 2008 |
| Grant date | May 17, 2016 |
| Priority date | — |
| Expiry date | Aug 23, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E30/30
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A method for surface processing at least a portion of a component of zirconium or hafnium alloy, including at least one operation of nanostructuring a surface layer of the alloy so as to confer on the alloy over a thickness of at least 5 μm a grain size which is less than or equal to 100 nm, the nanostructuring being carried out at a temperature which is less than or equal to that of the last thermal processing operation to which the component was previously subjected during its production.Component of zirconium or hafnium alloy processed in this manner.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.