ZIRCONIUM-BASED ALLOY FOR ELEMENTS USED IN NUCLEAR REACTOR CORES

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 char...

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Hauptverfasser:	AGEENKOVA, LIDIA EFIMOVNA, SHEBALDOV, PAVEL VASILIEVICH, KUZMENKO, NIKOLAI VASILIEVICH, SHEVNIN, JURY PAVLOVICH, MARKELOV, VLADIMIR ANDREEVICH, SHISHOV, VYACHESLAV NIKOLAEVICH, NIKULINA, ANTONINA VASILIEVNA, ROZHDESTVENSKY, VLADIMIR VLADIMIROVICH, BIBILASHVILI, JURY KONSTANTINOVICH, PEREGUD, MIKHAIL MIKHAILOVICH, KOTREKHOV, VLADIMIR ANDREEVICH, LAVRENJUK, PETR IVANOVICH, SOLONIN, MIKHAIL IVANOVICH, GANZA, NIKOLAI ALEXEEVICH, LOSITSKY, ANATOLY FRANTSEVICH
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ALLOYS CHEMISTRY FERROUS OR NON-FERROUS ALLOYS METALLURGY NUCLEAR ENGINEERING NUCLEAR PHYSICS NUCLEAR REACTORS PHYSICS TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:	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 alpha -solid solution and the beta Nb-phase particles sized below 0.1 mu m and having the niobium content of from 60 to 95%. The alloy may further comprise particles of intermetallics Zr-Fe-Nb with the Fe/Nb ratio of 0.05 - 0.2. The alloy structure may also be characterized by an oxygen-hardened alpha -solid solution and by the beta Nb-phase particles, and may further comprise particles of intermetallics Zr-Fe-Nb sized below 0.3 mu m.