Patent ID: 6690759
Filing Date: 2004-02-10
Classification: C22C,C22F,G21C,Y02E

Abstract:
A zirconium-base alloy for nuclear reactors, comprising:0.5-2 wt. % Sn, 0.07-0.6 wt. % Fe, 0.03-0.2 wt. % Ni, 0.05-0.2 wt. % Cr, the balance being zirconium and unavoidable impurities, wherein the zirconium-base alloy has an Fe content X, in weight percent, and precipitates having a mean size Y, in nanometers, and further wherein the Fe content of the zirconium-base alloy and the mean size of the precipitates in the zirconium-base alloy simultaneously satisfy each of the following relationships: i) Y&gE;âˆ’444Ã—X+154; ii) Y&lE;910Ã—Xâˆ’46; iii) Y&gE;0; iv) Y&lE;300; and v) X&lE;0.6.