Tube for a nuclear fuel assembly, and method for making same
US5940464A · kind A · utility
23Cited by
2References
8Claims
0Family size
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Key dates
| Filing date | Apr 20, 1998 |
| Grant date | Aug 17, 1999 |
| Priority date | — |
| Expiry date | Apr 20, 2018 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E30/30
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A zirconium alloy tube for forming the whole or the outer portion of a nuclear fuel pencil housing or a nuclear fuel assembly guide tube. The zirconium alloy contains 0.8-1.8 wt. % of niobium, 0.2-0.6 wt. % of tin and 0.02-0.4 wt. % of iron, and has a carbon content of 30-180 ppm, a silicon content of 10-120 ppm and an oxygen content of 600-1800 ppm. The tube may be used when recrystallized or stress relieved.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.