The reactions of U-Zr alloys with nitrogen were studied at temperatures ranging from 873 to 1273 K. Electron probe microanalysis, wide angle and microbeam X-ray diffraction techniques were applied for the identification of reaction products. Adherent multi-layered scales were formed during the anneals under nitrogen pressures of 0.19 and 20 kPa. They were mainly composed of U2N3, ZrN and alpha-Zr(N). The scale thickness and morphology depended on the alloy compositions and temperatures.
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Virginia Polytech Inst & State Univ, Dept Mat Sci & Engn, Blacksburg, VA 24061 USAVirginia Polytech Inst & State Univ, Dept Mat Sci & Engn, Blacksburg, VA 24061 USA
Chen, Weiming
Bai, Xian-Ming
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Virginia Polytech Inst & State Univ, Dept Mat Sci & Engn, Blacksburg, VA 24061 USA
Idaho Natl Lab, Fuel Modeling & Simulat Dept, Idaho Falls, ID 83415 USAVirginia Polytech Inst & State Univ, Dept Mat Sci & Engn, Blacksburg, VA 24061 USA