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Title: High-temperature corrosion of helium ion-irradiated Ni-based alloy in fluoride molten salt
Authors: Zhu, H
Holmes, R
Hanley, TL
Davis, J
Short, KT
Edwards, L
Keywords: Comparative evaluations
Intergranular corrosion
Transmission electron microscopy
Lithium fluorides
Potassium fluorides
Sodium fluorides
Helium ions
Radiation effects
Issue Date: 1-Feb-2015
Publisher: Elsevier
Citation: Zhu, H., Holmes, R., Hanley, T., Davis, J., Short, K., & Edwards, L. (2015). High-temperature corrosion of helium ion-irradiated Ni-based alloy in fluoride molten salt. Corrosion Science, 91, 1-6. doi:10.1016/j.corsci.2014.11.013
Abstract: A comparison of the effect of helium-ion-radiation damage on a Ni–Mo–Cr–Fe alloy exposed to high-temperature (750 °C) corrosion in eutectic LiF–NaF–KF molten salt has been made. Microstructural examination showed that both the corroded-only and irradiated and corroded samples exhibit the characteristics of intergranular corrosion. However, helium ion irradiation introduces defects such as helium bubbles and cavities into the microstructure, greatly increasing intragranular corrosion of the irradiated sample. The thickness of the remaining corrosion zone for the irradiated sample was much greater than that for the unirradiated sample. © 2014 Elsevier Ltd.
Gov't Doc #: 8915
ISSN: 0010-938X
Appears in Collections:Journal Articles

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