期刊
JOURNAL OF NUCLEAR MATERIALS
卷 433, 期 1-3, 页码 50-54出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jnucmat.2012.08.044
关键词
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About 50 vol.% 3 mu m depleted uranium dioxide (UO2) powder was encapsulated within a tungsten super alloy matrix produced from sub-micron tungsten powders using the Spark Plasma Sintering (SPS) process. An additive of 25 atom-percent (at.%) rhenium was included within the tungsten matrix to improve the ductility and fracture toughness of the ceramic-metallic (cermet) matrix. Cermet fabrication to 97.9% of the theoretical cermet density was achieved by sintering at 1500 degrees C with 40 MPa of applied pressure for 20 min. The results presented are from the first known trials of W-UO2 and nuclear cermet production via SPS. Published by Elsevier B.V.
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