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Quantum Beam Sci. 2018, 2(2), 12; https://doi.org/10.3390/qubs2020012

Texture Evolution in U-10Mo Nuclear Fuel Foils during Plasma Spray Coating with Zr

1
Materials Science and Technology Division, Los Alamos National Laboratory, Los Alamos, NM 87545, USA
2
Sigma Division, Los Alamos National Laboratory, Los Alamos, NM 87545, USA
On leave from JFE Steel Corporation, Kurashiki 712, Japan.
*
Authors to whom correspondence should be addressed.
Received: 21 April 2018 / Revised: 17 May 2018 / Accepted: 17 May 2018 / Published: 24 May 2018
(This article belongs to the Special Issue Strain, Stress and Texture Analysis with Quantum Beams)
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Abstract

A uranium-molybdenum alloy clad in 6061 aluminum has the potential to lead to a wide application of low-enriched uranium fuels, replacing highly enriched uranium for research reactors. A Zr coating acts as a diffusion barrier between the fuel and the aluminum cladding. In this study, U-10Mo (mass %) was coated with Zr using a plasma spray technique recognized as a fast and economical coating method. Neutron time-of-flight diffraction was used to study the microstructure evolution by quantifying the phase fractions of involved phases as well as the texture evolution of U-10Mo and Zr during plasma spray coating with Zr. Quantitative texture analysis revealed that the texture was drastically changed for high coating temperatures, likely due to selective grain growth. Furthermore, the Zr coating showed a preferential orientation, which could be correlated with the initial texture of the uncoated U-10Mo. This could be explained by the epitaxial growth of the Zr on the U-10Mo substrate. View Full-Text
Keywords: U-10Mo; nuclear fuel; texture; spray coating U-10Mo; nuclear fuel; texture; spray coating
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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Takajo, S.; Hollis, K.J.; Cummins, D.R.; Tegtmeier, E.L.; Dombrowski, D.E.; Vogel, S.C. Texture Evolution in U-10Mo Nuclear Fuel Foils during Plasma Spray Coating with Zr. Quantum Beam Sci. 2018, 2, 12.

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