Abstract
VOIDS can be produced in some metals by high fluence neutron irradiation at temperatures between 0.3 Tm and 0.5 Tm, where Tm is the melting temperature. The effect was found first in stainless steel1 and subsequently in several pure metals including nickel2,3. Void formation causes dimensional instability and is liable to be a serious technological problem in fast reactor fuel cladding. This note reports some preliminary results on the production of voids in nickel by electron irradiation in the beam of a high voltage electron microscope (HVEM) following an initial argon ion bombardment. The HVEM offers a convenient method of studying electron displacement damage effects4 and in this work we used a Hitachi 1 MV instrument with a heating stage.
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References
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NORRIS, D. Voids in Nickel irradiated with Electrons after Previous Argon Ion Bombardment. Nature 227, 830–831 (1970). https://doi.org/10.1038/227830a0
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DOI: https://doi.org/10.1038/227830a0
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