4.7 Article

MeV electron-irradiation-induced structural change in the bcc phase of Zr-Hf-Nb alloy with an approximately equiatomic ratio

Journal

INTERMETALLICS
Volume 38, Issue -, Pages 70-79

Publisher

ELSEVIER SCI LTD
DOI: 10.1016/j.intermet.2013.02.009

Keywords

Irradiation effects; Phase transformation; Vapor deposition; Defects: point defects

Funding

  1. Center of Excellence for Advanced Structural and Functional Materials Design of the MEXT, Japan
  2. Joint Institute for Advanced Materials at the University of Tennessee
  3. Oak Ridge National Laboratory
  4. Department of Energy, Office of Basic Sciences, through the EPSCoR grant [DE-FG02-08ER46528]

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The microstructure and phase stability of a Zr-Hf-Nb alloy with an approximately equiatomic ratio of Zr, Hf, and Nb was investigated. A body-centered cubic (bcc) solid solution was formed in specimens produced by sputtering. MeV electron-irradiation-induced structural changes were investigated in the bcc phase of the Zr-Hf-Nb alloy using high-voltage electron microscopy (HVEM). The polycrystalline phase with a bcc structure showed high phase stability against irradiation damage, and no structural changes due to irradiation damage were observed at 298 K. (c) 2013 Elsevier Ltd. All rights reserved.

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