Irradiation mixing of Al into U{sub 3}Si

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Description

Thermal and irradiation induced intermixing of uranium silicide reactor fuels with the aluminum cladding is an important consideration in understanding their fission gas and fuel swelling behavior. The authors have used Rutherford backscattering to follow the behavior of an Al thin film on U{sub 3}Si and U{sub 3}Si{sub 2} during 1.5 MeV Kr ion irradiation at temperatures of 30 and 350 C. After an initial dose during which no intermixing occurs, the Al mixes quickly into U{sub 3}Si. The threshold dose is believed to be associated with an oxide layer between the Al and the uranium silicide. At 300 C ... continued below

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6 p.

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Birtcher, R. C.; Ding, F. R.; Kestel, B. J.; Baldo, P. M. & Zaluzec, N. J. November 1995.

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Description

Thermal and irradiation induced intermixing of uranium silicide reactor fuels with the aluminum cladding is an important consideration in understanding their fission gas and fuel swelling behavior. The authors have used Rutherford backscattering to follow the behavior of an Al thin film on U{sub 3}Si and U{sub 3}Si{sub 2} during 1.5 MeV Kr ion irradiation at temperatures of 30 and 350 C. After an initial dose during which no intermixing occurs, the Al mixes quickly into U{sub 3}Si. The threshold dose is believed to be associated with an oxide layer between the Al and the uranium silicide. At 300 C and doses greater than threshold, rates of mixing and aluminide phase growth are extracted.

Physical Description

6 p.

Notes

INIS; OSTI as DE96006690

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  • Fall meeting of the Materials Research Society (MRS), Boston, MA (United States), 27 Nov - 1 Dec 1995

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  • Other: DE96006690
  • Report No.: ANL/MSD/CP--86941
  • Report No.: CONF-951155--76
  • Grant Number: AC05-84OR21400;W-31109-ENG-38
  • DOI: 10.2172/206568 | External Link
  • Office of Scientific & Technical Information Report Number: 206568
  • Archival Resource Key: ark:/67531/metadc671478

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Office of Scientific & Technical Information Technical Reports

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Creation Date

  • November 1995

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  • June 29, 2015, 9:42 p.m.

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  • Dec. 1, 2015, 4:18 p.m.

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Birtcher, R. C.; Ding, F. R.; Kestel, B. J.; Baldo, P. M. & Zaluzec, N. J. Irradiation mixing of Al into U{sub 3}Si, report, November 1995; Tennessee. (digital.library.unt.edu/ark:/67531/metadc671478/: accessed April 26, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.