SEDL / STP / STP306-EB / STP44383S

Voids in Irradiated UO²

Bates, Lambert J
General Electric Co., Hanford Laboratories, Richland, Wash

Pages: 14    Published: Jan 1962

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Abstract

Five types of voids are observed during the metallographic examination of cylindrical uranium dioxide fuel cores irradiated under conditions that produce high central core temperatures and large radial temperature gradients. The types of voids and the patterns they form are related to the UO² microstructures, which are formed during irradiation.