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Philosophical Magazine Volume 85, 2005 - Issue 4-7: Special Issue: Microstructural Processes in Irradiated Materials. Selected papers from the symposium held as part of the 2003 TMS Annual Meeting, San Diego, California, 2–6 March, 2003 Guest Editors: Charlotte S. Bequart, Robin E. Shäublin, Lance L. Snead and Brian D. Wirth
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Original Articles

Effect of proton and Ne irradiation on the microstructure of Zircaloy 4

X. T. Zu * Department of Nuclear Engineering and Radiological Sciences, University of Michigan, Ann Arbor, MI 48109-2104, USA; Department of Applied Physics, University of Electronic Science and Technology of China, Chengdu 610064, China
,
K. Sun Department of Nuclear Engineering and Radiological Sciences, University of Michigan, Ann Arbor, MI 48109-2104, USA
,
M. Atzmon Department of Nuclear Engineering and Radiological Sciences, University of Michigan, Ann Arbor, MI 48109-2104, USA; Department of Materials Science and Engineering, University of Michigan, Ann Arbor, MI 48109, USA
,
L. M. Wang Department of Nuclear Engineering and Radiological Sciences, University of Michigan, Ann Arbor, MI 48109-2104, USA
,
L. P. You Department of Nuclear Engineering and Radiological Sciences, University of Michigan, Ann Arbor, MI 48109-2104, USA
,
F. R. Wan Department of Nuclear Engineering and Radiological Sciences, University of Michigan, Ann Arbor, MI 48109-2104, USA
,
J. T. Busby Department of Nuclear Engineering and Radiological Sciences, University of Michigan, Ann Arbor, MI 48109-2104, USA
,
G. S. Was Department of Nuclear Engineering and Radiological Sciences, University of Michigan, Ann Arbor, MI 48109-2104, USA; Department of Materials Science and Engineering, University of Michigan, Ann Arbor, MI 48109, USA
&
R. B. Adamson Zircology Plus, Box 2651, Fremont, CA 94536, USA
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Pages 649-659 | Published online: 08 Aug 2006
 
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Abstract

Proton irradiation at temperatures of 310 and 350°C has been explored as a method of studying radiation effects in Zircaloy 4 under power-reactor conditions. The dislocation-loop and hardness evolution are similar to those observed under neutron irradiation. Amorphization and Fe loss at Zr(Cr,Fe)2 precipitates are observed. Energy-filtered images indicate Fe accumulation in the matrix near the precipitate, a phenomenon not reported in neutron-irradiated alloys.

Acknowledgements

This work was funded by the U.S. Department of Energy under contract DE-FG03-99SF21927/A000. proton irradiation was conducted at the Michigan Ion-Beam Laboratory at the University of Michigan.

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