Results of Recent Microstructural Characterization of Irradiated U-Mo Dispersion Fuels with Al Alloy Matrices that Contain Si

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RERTR U-Mo dispersion fuel plates are being developed for application in research reactors throughout the world. As part of this development, reactor experiments are being conducted in the Advanced Test Reactor to determine the irradiation performance of different dispersion fuels that contain U-Mo alloys with different Mo contents and Al alloy matrices with different Si contents. Of particular interest is the performance of the dispersion fuels depending on the Si content of the Al alloy matrix, since the addition of Si is being looked to for improving the performance of these dispersion fuels. This paper will describe the results of ... continued below

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D D. Keiser, Jr.; Robinson, A. B.; Janney, D. E. & Jue, J. F. March 1, 2008.

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RERTR U-Mo dispersion fuel plates are being developed for application in research reactors throughout the world. As part of this development, reactor experiments are being conducted in the Advanced Test Reactor to determine the irradiation performance of different dispersion fuels that contain U-Mo alloys with different Mo contents and Al alloy matrices with different Si contents. Of particular interest is the performance of the dispersion fuels depending on the Si content of the Al alloy matrix, since the addition of Si is being looked to for improving the performance of these dispersion fuels. This paper will describe the results of recent microstructural examinations that have been performed using optical metallography and scanning electron microscopy on as-fabricated and as-irradiated dispersion fuels with different amounts of Si added to the Al matrix. Differences in the microstructural development during irradiation as a function of the Si content in the Al matrix will be discussed, and comments will be made about the development and stability of the fuel/matrix interaction layers that are commonly present in irradiated dispersion fuels.

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  • 12th Annual Topical Meeting on Research Reactor Fuel Management,Hamburg, Germany,03/02/2008,03/05/2008

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  • Report No.: INL/CON-07-13396
  • Grant Number: DE-AC07-99ID-13727
  • DOI: 10.2172/938453 | External Link
  • Office of Scientific & Technical Information Report Number: 933192
  • Archival Resource Key: ark:/67531/metadc897826

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  • March 1, 2008

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  • Sept. 27, 2016, 1:39 a.m.

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  • Nov. 7, 2016, 4:46 p.m.

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D D. Keiser, Jr.; Robinson, A. B.; Janney, D. E. & Jue, J. F. Results of Recent Microstructural Characterization of Irradiated U-Mo Dispersion Fuels with Al Alloy Matrices that Contain Si, article, March 1, 2008; [Idaho Falls, Idaho]. (digital.library.unt.edu/ark:/67531/metadc897826/: accessed November 15, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.