Compatibility of SiC with static liquid LiPb at 800 °C

SiC f/SiC composites are considered as one of promising candidate blanket structural materials and functional materials for the flow channel insert of LiPb blanket for fusion reactors. One of key issues for the SiC f/SiC composites is its compatibility with LiPb. A variety of SiC materials prepared...

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Bibliographic Details
Published in:Fusion engineering and design 2011-10, Vol.86 (9), p.2655-2657
Main Authors: Ling, Xinzhen, Huang, Qunying, Gao, Sheng, Zhu, Zhiqiang, Chen, Yaping, Song, Yong, Liu, Shaojun, Wu, Yican, Zhao, Shuang
Format: Article
Language:English
Subjects:
Applied sciences
Compatibility
Controled nuclear fusion plants
Energy
Energy. Thermal use of fuels
Exact sciences and technology
Fusion
Installations for energy generation and conversion: thermal and electrical energy
LiPb
SiC
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Summary:SiC f/SiC composites are considered as one of promising candidate blanket structural materials and functional materials for the flow channel insert of LiPb blanket for fusion reactors. One of key issues for the SiC f/SiC composites is its compatibility with LiPb. A variety of SiC materials prepared by different processes (i.e. CVD-SiC, PIP-SiC), coated SiC f/SiC composite (the coating containing Al 2O 3 and SiO 2) and SiO 2 were exposed in the static liquid LiPb at 800 °C for 200 h and 1000 h, respectively. The preliminary results showed that PIP-SiC had good compatibility with LiPb at 800 °C. The coating on the SiC f/SiC composite was corroded by liquid LiPb. In addition, the XRD pattern of CVD-SiC integrally moved left a little after 1000 h exposure.
ISSN:0920-3796
1873-7196
DOI:10.1016/j.fusengdes.2011.01.055