Review of x-ray diffraction studies in uranium alloys
Review of x-ray diffraction studies in uranium alloys Results of x-ray diffraction experiments investigating equilibrium structures of uranium-base substitutional alloys and routes of transitions between equilibrium structures are critically reviewed. Data on equilibrium alpha, beta, and gamma alloys are presented together with a resume of work on the crystal structures of relevant stable intermetallic compounds. The second part of the review is principally concerned with x-ray diffraction studies of metastable phases: their structure and their mode of formation. Particular attention is given to the sequence of transitional phases found in gamma-quenched and aged uranium alloys, depending on aging time and temperature. The influence of external stresses imposed on the alloys before and during the transitions producing these phases is described in terms of the preferred orientations that may be observed by x-ray diffraction methods. Comparisons are drawn between the general structural behavior of uranium alloys and that of other alloy systems based on metals with allotropies similar to that of uranium. (8 figures, 4 tables, 142 references) (auth)
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