Patent · US Expired

Zirconium based alloy and method for making a component for a nuclear fuel assembly with same

US6863745B1 · kind B1 · utility

18Cited by
2References
9Claims
0Family size

Assignees

Inventors

Key dates

Filing dateSep 28, 2000
Grant dateMar 8, 2005
Priority date
Expiry dateApr 13, 2021

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02E30/30
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

The invention proposes a zirconium-based alloy also containing, by weight, apart from unavoidable impurities, from 0.02 to 1% of iron having from 0.8% to 2.3% of niobium, less than 2000 ppm of tin, less than 2000 ppm of oxygen, less than 100 ppm of carbon, from 5 to 35 ppm of sulphur and from 0.01% to 0.25% in total of chromium and/or vanadium, the ratio R of the niobium content, less 0.5%, to the iron content, optionally supplemented by the chromium and/or vanadium content.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.