Microstructure of RERTR DU-Alloys Irradiated with Krypton Ions

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Fuel development for reduced enrichment research and test reactor (RERTR) program is tasked with the development of new low enrichment uranium fuels that can be employed to replace existing high enrichment uranium fuels currently used in many research and test reactors worldwide. Radiation stability of the interaction product formed at fuel-matrix interface has a strong impact on fuel performance. Three depleted uranium alloys are cast that consist of the following 5 phases of interest to be investigated: U(Si,Al)3, (U,Mo)(Si,Al)3, UMo2Al20, U6Mo4Al43 and UAl4. Irradiation of TEM disc samples with 500 keV Kr ions at 200?C to high doses up to ... continued below

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Gan, J.; Keiser, D.; Wachs, D.; Miller, B.; Allen, T.; Kirk, M. et al. November 1, 2009.

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Fuel development for reduced enrichment research and test reactor (RERTR) program is tasked with the development of new low enrichment uranium fuels that can be employed to replace existing high enrichment uranium fuels currently used in many research and test reactors worldwide. Radiation stability of the interaction product formed at fuel-matrix interface has a strong impact on fuel performance. Three depleted uranium alloys are cast that consist of the following 5 phases of interest to be investigated: U(Si,Al)3, (U,Mo)(Si,Al)3, UMo2Al20, U6Mo4Al43 and UAl4. Irradiation of TEM disc samples with 500 keV Kr ions at 200?C to high doses up to ~100 dpa were conducted using an intermediate voltage electron microscope equipped with an ion accelerator. The irradiated microstructure of the 5 phases is characterized using transmission electron microscopy. The results will be presented and the implication of the observed irradiated microstructure on the fuel performance will be discussed.

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  • RERTR 2009,Beijing, China,11/01/2009,11/05/2009

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  • Report No.: INL/CON-09-16245
  • Grant Number: DE-AC07-05ID14517
  • Office of Scientific & Technical Information Report Number: 969498
  • Archival Resource Key: ark:/67531/metadc929717

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  • November 1, 2009

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  • Nov. 13, 2016, 7:26 p.m.

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  • Jan. 4, 2017, 2:22 p.m.

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Gan, J.; Keiser, D.; Wachs, D.; Miller, B.; Allen, T.; Kirk, M. et al. Microstructure of RERTR DU-Alloys Irradiated with Krypton Ions, article, November 1, 2009; [Idaho]. (digital.library.unt.edu/ark:/67531/metadc929717/: accessed November 16, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.