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An HVEM Investigation of In-Situ, Self-Ion Damage in Iron at 40 and 300 K*

Published online by Cambridge University Press:  25 February 2011

M. A. Kirk ,
I. M. Robertson ,
Wayne E. King ,
E. A. Ryan  and
A. Philippides
M. A. Kirk
Affiliation:
Materials Science and Technology Division, Argonne National Laboratory, Argonne, IL 60439
I. M. Robertson
Affiliation:
Materials Research Lab., University of Illinois, Urbana, IL 61801
Wayne E. King
Affiliation:
Materials Science and Technology Division, Argonne National Laboratory, Argonne, IL 60439
E. A. Ryan
Affiliation:
Materials Science and Technology Division, Argonne National Laboratory, Argonne, IL 60439
A. Philippides
Affiliation:
Materials Science and Technology Division, Argonne National Laboratory, Argonne, IL 60439
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Abstract

Bombardments of iron (commercially pure) with self-ions having energies of 50 and 100 keV were performed in–situ in a High–Voltage Electron Microscope at temperatures of 40 and 300 K. The resulting damage microstructures were examined at the irradiation temperature in the HVEM using 200, 300, 500 and 1000 keV electrons (damage threshold in Fe is ˜330 keV). Dislocation loop densities were measured as functions of ion dose, ion energy, irradiation temperature, electron dose (500 keV), and step annealing to room temperature. Loop geometries, size distributions, and nature (interstitial or vacancy) were also determined.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 41: Symposium K – Advanced Photon and Particle Techniques for the Characterization of Defects in Solids , 1984 , 319
Copyright
Copyright © Materials Research Society 1985

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Footnotes

*

Work supported by the U. S. Department of Energy, Division of Materials Science, through contracts DE-AC02-76ER01198 (U. of IL) and W-31-109-ENG-38 (ANL).

References

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