Zirconium alloy tube for a nuclear reactor fuel assembly, and method for making same
US5887045A · kind A · utility
6Cited by
4References
25Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Jul 29, 1997 |
| Grant date | Mar 23, 1999 |
| Priority date | — |
| Expiry date | Jul 29, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E30/30
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A tube of zirconium-based alloy for constituting all or a portion of a cladding or guide tube for a nuclear fuel assembly. The tube is made of an alloy containing, by weight, 1.0-1.7% of tin, 0.55-0.80% of iron, 0.20-0.60% total of chromium and/or vanadium, and 0.10-0.18% of oxygen, with 50-200 ppm of carbon and 50-120 ppm of silicon. The alloy further contains only zirconium and unavoidable impurities, and it is completely recrystallized.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.