Journal
JOURNAL OF NUCLEAR MATERIALS
Volume 397, Issue 1-3, Pages 27-30Publisher
ELSEVIER
DOI: 10.1016/j.jnucmat.2009.11.026
Keywords
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Funding
- Ministry of Education, Science and Technology (MEST) of the Republic of Korea
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Lattice parameters of U-(6-10 wt.%)Mo alloy powders fabricated by a centrifugal atomization technique were measured by neutron diffraction analyses. A micro-segregation of Mo at cell boundaries was observed in the centrifugally atomized U-Mo alloy powders with varying Mo content. Lattice parameters of gamma phases decrease linearly with the increasing Mo content. By separating the overlapped diffraction peaks from cell boundaries and cell interior, lattice parameters and Mo contents of each region were calculated. The Mo content at cell boundaries is about 2-5 at.% lower than that in the cell interior and the lattice parameters for the cell boundaries are higher than those for the cell interior of the atomized U-Mo powder. (C) 2009 Elsevier B.V. All rights reserved.
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