Application of ion-beam analysis techniques to the study of irradiationn damage in zirconium alloys

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Ion-beam-analysis techniques are being used to provide an understanding of the nature of collision cascades, irradiation-induced phase changes, lattice location of solute atoms and defect-solute atom interactions in various zirconium alloys. In zirconium intermetallic compounds, such as Zr{sub 3}Fe, Zr{sub 2}Fe, ZrFe{sub 2}, Zr{sub 3}(Fe{sub x},Ni{sub 1-x}) and (Zr,M){sub 3}Fe, electron and ion irradiations have been used to obtain detailed information on the crystalline-to-amorphous transformation occurring during the irradiation. Transmission-electron-microscopy (TEM) observations have provided information on the nature of the damage produced in individual cascades, the critical dose required for amorphization, and the critical temperature for amorphization. In a study ... continued below

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18 p.

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Howe, L. M.; Phillips, D.; Zou, H.; Forster, J.; Siegele, R.; Davies, J.A. et al. December 1995.

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Ion-beam-analysis techniques are being used to provide an understanding of the nature of collision cascades, irradiation-induced phase changes, lattice location of solute atoms and defect-solute atom interactions in various zirconium alloys. In zirconium intermetallic compounds, such as Zr{sub 3}Fe, Zr{sub 2}Fe, ZrFe{sub 2}, Zr{sub 3}(Fe{sub x},Ni{sub 1-x}) and (Zr,M){sub 3}Fe, electron and ion irradiations have been used to obtain detailed information on the crystalline-to-amorphous transformation occurring during the irradiation. Transmission-electron-microscopy (TEM) observations have provided information on the nature of the damage produced in individual cascades, the critical dose required for amorphization, and the critical temperature for amorphization. In a study on the electron-energy dependence of amorphization in Zr{sub 3}Fe, Zr{sub 2},Fe and ZrCr{sub 2}, in situ high-voltage-electron-microscope investigations were combined with high-energy forward-elastic-recoil measurements to yield information on the threshold displacement energies for Zr and Fe or Cr in these lattices, as well as the role of secondary displacements of lattice atoms by recoil impurities (C,O) at low electron energies. In Zr implanted with {sup 56}Fe ions and subsequently bombarded with {sup 40}Ar ions at 723 K, subsequent secondary-ion-mass-spectrometry (SIMS) analyses were used to monitor the effect of irradiation on the migration of Fe in the Zr lattice. In addition, ion-channeling investigations have been used to determine the lattice sites of solute atoms in Zr as well as the details of the interaction between the solute atoms and the irradiation-produced defects.

Physical Description

18 p.

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INIS; OSTI as DE96006760

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  • International conference on ion beam analysis, Tempe, AZ (United States), 22-26 May 1995

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  • Other: DE96006760
  • Report No.: ANL/MSD/CP--88597
  • Report No.: CONF-9505122--9
  • Grant Number: W-31109-ENG-38
  • Office of Scientific & Technical Information Report Number: 198702
  • Archival Resource Key: ark:/67531/metadc664874

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  • December 1995

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  • June 29, 2015, 9:42 p.m.

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  • Nov. 18, 2015, 6:22 p.m.

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Howe, L. M.; Phillips, D.; Zou, H.; Forster, J.; Siegele, R.; Davies, J.A. et al. Application of ion-beam analysis techniques to the study of irradiationn damage in zirconium alloys, article, December 1995; Illinois. (digital.library.unt.edu/ark:/67531/metadc664874/: accessed May 26, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.