Abstract
Beta -treated, cold-drawn uranium rods were studied to determine the relation between the thermal expansion coefficient in the drawing direction and the working degree (2 to 30% reduction in area); the change of the coefficient due to grain growth after recrystallization; and the thermal cycling growth of recrystallized specimens. The preferred orientation was obtained by only two percent work, and the dimensional instabllity was apparent on thermal cycling. The {010} plane as one component of preferred orientation was arranged parallel to the rod axis regardless of the degree of working. The grain growth after recrystallization was found to affect the formation of the preferred orientation. (D.L. C.)
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