Patent · US Expired

Zirconium alloys

US3963534A · kind A · utility

19Cited by

3References

4Claims

0Family size

Assignee

COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES · FR

Inventors

Jean-Mathieu Frenkel · Paris, FR
Jacques Pelchat · Antony, FR
Michel Weisz · Les Ulis, FR

Key dates

Filing date	Feb 28, 1974
Grant date	Jun 15, 1976
Priority date	—
Expiry date	Feb 28, 1994

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S376/90
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

In a method of fabrication of nuclear reactor components such as fuel cans and pressure tubes, use is made of zirconium alloys such as Zircaloy 2 or Zircaloy 4 having an oxygen content of 0.14 to 0.25 % by weight. The components are subjected to an annealing operation at a temperature within the range of 400.degree. to 750.degree.C and especially 525.degree. to 750.degree.C over a period of approximately two hours, thus resulting in recrystallization.

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