Radiation-induced swelling and precipitation in Fe++ ion-irradiated ferritic/martensitic steels
Journal of Nuclear Materials（2021）
Abstract
•Void swelling was studied in self-ion irradiated HT.9, Gr.92, FC92-B, and FC92-N.•FC92-N showed the greatest swelling resistance of 1.76% at 240 dpa and 2.17% 318 dpa.•M2X evolved only in FC92 series, in which bimodal swelling profiles were observed.•RIP and outward Cr sinking to the surface synergistically formed a low-alloyed zone.•RIP modified swelling-depth profiles, and in turn, determined double peak swelling.
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Key words
Ferritic/martensitic steels,ion irradiation,swelling resistance,M2X precipitation,fast reactor cladding material
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