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Lidiya Efimovna Ageenkova

Vladimir Andreevich Kotrekhov

Jury Pavlovich Shevnin

Anatoly Frantsevich Lositsky

Antonina Vasilievna Nikulina

Nikolai Vasilevich Kuzmenko

Mikhail Mikhailovich Peregud

Pavel Vasilievich Shebaldov

Mikhail Ivanovich Solonin

Vladimir Andreevich Markelov

Vladimir Vladimirovich Rozhdestvensky

Nikolai Alexeevich Ganza

Petr Ivanovich Lavrenjuk

Vyacheslav Nikolaevich Shishov

Yury Konstantinovich Bibilashvili

A zirconium-based alloy for the components of the active core of nuclear reactors comprises (on a weight percent basis): niobium, 0.5-3.0; iron, 0.005-0.5; oxygen, 0.03-0.2; carbon, 0.001-0.04; silicon, 0.002-0.1; nickel, 0.003-0.02; zirconium being the balance; the alloy structure is characterized by an &agr;-solid solution and the &bgr; Nb-phase particles sized below 0.1 &mgr;m and having the niobium content of from 60 to 95%. The alloy may further comprise particles of intermetallics Zr&mdash;Fe&mdash;Nb with the Fe/Nb ratio of 0.05-0.2. The alloy structure may also be characterized by an oxygen-hardened &agr;-solid solution and by the &bgr; Nb-phase particles, and may further comprise particles of intermetallics Zr&mdash;Fe&mdash;Nb sized below 0.3 &mgr;m.

Zirconium-based alloy elements used in nuclear reactor cores

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Moscow, Russia

Lidiya Efimovna Ageenkova