首页|Corrosion behavior of 9Cr-RAFM steel in liquid lithium and lead-lithium at 550°C for 500 h
Corrosion behavior of 9Cr-RAFM steel in liquid lithium and lead-lithium at 550°C for 500 h
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NETL
NSTL
Elsevier
Liquid lithium (Li) and liquid lead-lithium (LiPb) are candidate coolant/breeders in fusion reactor blankets. RAFM is an advanced structural material with many advantages and has attracted much attention for application in fusion liquid blankets. Thus, the compatibility of the RAFM steel with liquid metals plays an important role in liquid metal blankets. In this study, we investigated the corrosion behavior of China 9Cr-RAFM steel in static liquid Li and LiPb at 550 degrees C for 500 h. The results show that the corrosion of this steel in liquid LiPb is more serious than that in liquid Li. The mass loss rates of the samples in liquid Li and LiPb were 0.528 and 1.92 g/ (m2 & sdot;h), respectively. After exposed to liquid Li and LiPb, the samples exhibited mass loss, grain boundary corrosion and pitting corrosion due to physical dissolution and chemical reactions. And the corrosion of liquid Li and LiPb did not affect the Vickers hardness of the sample.
NETL
NSTL
Elsevier
