Compatibility of Molten Uranium Dioxide with Five Refractory Materials PDF Download

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Compatibility of Molten Uranium Dioxide with Five Refractory Materials

Compatibility of Molten Uranium Dioxide with Five Refractory Materials PDF Author: William A. Sanders
Publisher:
ISBN:
Category : Uranium
Languages : en
Pages : 40

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Book Description
An investigation of the compatibility of molten uranium dioxide with tungsten, tantalum, tantalum diboride, tantalum carbide and hafnium carbide was conducted to indicate combinations that may be useful in nuclear reactors that are to operate at temperatures above the melting point of uranium dioxide, 5000 F. The evaluations were conducted at a test temperature of 52200 F for a period of 15 minutes in a high-purity argon atmosphere. One compatibility test of molten uranium dioxide with tungsten was conducted at 55000 F. The tests were performed with the refractory material in the form of a crucible that contained a uranium dioxide charge. Crucible cross sections were studied after testing, and the degree of reaction between uranium dioxide and the various crucible materials was judged by the use of X-ray diffraction analysis, metallographic examination, microhardness measurements, and electron-beam microanalysis.