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  • 1
    ISSN: 0947-5117
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Description / Table of Contents: Research on corrosion of reactor materials in flowing sodium melt at high temperaturesCorrosion tests on materials for fuel elements of a high-capacity sodium-cooled reacto, in sodium flowing at a rate of 0.5 metres per second at temperatures ranging from 500 to 600°C have been carried out in a circulation apparatur's of high-grade steel, containing some 80 litres of sodium melt. The electromagnetically circulated sodium is fine-cleaned internally, the purity being measured in a shunt circuit.The degree of sodium corrosion of high-grade austenitic steels and nickel-based alloys is relatively low and obeys different laws from those known from the reaction with vanadium-based alloys, which is greatly influenced by low oxide contents in the sodium. The results are in broad agreement with the corrosion rates measured in the USA., France and Britain.
    Notes: Korrosionsversuche bei 500 bis 600°C in strömendem Natrium von 0,5 m/s an Werkstoffen für Brennelemente eine natriumgekühlten Reaktors hober Leistungsdichte werden in einer Kreislaufapparatur aus Edelstahl, die etwa 80 l Natriumschmelze faß, ausgeführt. Das elektromagnetisch umgewälzte Natrium wird intern feingereinigt, die Reinheit wird in einem Nebenkreis gemessen.Die Natriumkorrosion von austenitischen Edelstählen und Nickelbasislegierung ist relativ geringfügig und gehorcht anderen Gesetzen, als man bei der durch geringe Oxidgehalte des Natriums stark beeinflußten Reaktion mit Legierungen auf der Basis Vanadin findet. Die Meßwerte entsprechen weitgehend den in den USA, Frankreich und England gemessenen Korrosionsraten.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
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