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Enhancement of Uranium Oxidation Resistance by Molybdenum Implantation

  • E. N. Kaufmann (a1), R. G. Musket (a1), C.A. Colmenares (a1) and B. R. Appleton (a2)

Abstract

Initial studies of the oxidation resistance imparted to uranium metal through the implantation of Mo ions have shown that a significantly increased resistance can be achievedfor doses of 5 ×1016/cm2. No enhancement of oxidation resistance was found for doses below 1 ×1016/cm2. We report results of weight-gain measurements, ion-beam analysis, and x-ray diffraction, as well as observations of the way in which the protective implanted layer fails at long exposure times.

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1. Colmenares, C.A., Progress in Solid State Chemistry 9 (1975) 139.
2. Anthony, S.R., Ion Implantation as a Method of Improving the Oxidation Resistance of uranium, AWRE, Aldermaston, UK, Report 010/79.
3. Baker, M. MCD., Less, L.N., and Orman, S., Trans. Faraday Soc. 62 2525 (1966).
4. Colmenares, C., McCreary, T., Monaco, S., Walkup, C., Gleeson, G., Kervin, J., Smith, R.L., and McCaffrey, C., Aluminum and Polymeric Coatings for Protection of Uranium, Lawrence Livermore National Laboratory, Report UCID-19970 (1983).
5. Musket, R.G., Nucl. Inst. Meth. (in press, 1984).
6. Colmenares, C., Lawrence Livermore National Labratory, private communication, 1984.
7. Zurey, F.T., Gelles, S.H., phalon, D.I., Vaughan, D.A., Berry, W.E., Boyd, W.K., and Grisphover, P.J., The Effect of Surface Treatment on the Corrosion Behavior of Thorium, Battelle Memorial Institute, Columbus, OH, Report BMI-X-572 (1969).
8. Musket, R.G., Robinson Weis, G., and Patterson, R.G., this volume.

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