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M. Kondo, T. Muroga, A. Sagara, T. Valentyn , A. Suzuki, T. Terai, M. Takahashi, N. Fujii, Y. Yokoyama, H. Miyamoto, E. Nakamura,
Flow Assisted Corrosion and Erosion-Corrosion of RAFM Steel in Liquid Breeders
Date of publication:
22 IAEA Fusion Energy Conference, FTP/P1-20
Corrosion experiments for RAFM, JLF-1 steel (Fe-9Cr-2w-0.1C) in 3types of flowing liquid breeders (i.e. Li, Pb-17Li and Flinak) were performed at the same conditions, and the compatibility was compared with each other. The weight loss of the specimens in the fluids was evaluated by the corrosion model based on mass transfer. The model can be applied to different test systems with different quantity of liquid breeders and different surface area of the systems. The flow enhanced the dissolution of element of the steel in the fluids. The mechanism of an erosion-corrosion in the liquid breeders was the peeling off of the corroded steel surface by the flow.
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