Refractory Oxide-Metal Composites: Scanning Electron Microscopy and X-ray Diffraction of Uranium Dioxide-Tungsten

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Science  13 Feb 1970:
Vol. 167, Issue 3920, pp. 979-980
DOI: 10.1126/science.167.3920.979


Unidirectional solidification of a melt, consisting of uranium dioxide and 5 to 15 percent by weight of tungsten, formed well-ordered arrangements of tungsten fibers or platelets in the uranium dioxide matrix. Fiber shape and orientation relations of the components indicate the development of several dominant growth modes.