Corrosion behavior of TiC–SiC composite ceramics in molten FLiNaK salt
Gu, Yifeng1,6; Liu, Ji-Xuan2; Wang, Yang3; Xue, Jia-Xiang4; Wang, Xin-Gang1; Zhang, Haibin5; Xu, Fangfang1; Zhang, Guo-Jun2
Source PublicationJournal of the European Ceramic Society
AbstractImmersion corrosion tests of TiC0.8, TiC, TiC–20 vol% SiC, TiC–40 vol% SiC and SiC have been performed in molten FLiNaK salt at 800 °C for 25–200 h under argon cover gas. All of these five samples showed small mass loss and relatively good corrosion resistance in molten FLiNaK salt. The corrosion patterns of TiC0.8, TiC, TiC–20 vol% SiC and TiC–40 vol% SiC were inter-granular corrosion, which were attributed to the depletion of Ti along the grain boundaries. SiC exhibited a general corrosion process in which a carbon-rich layer formed on the surface, resulting from the depletion of Si. The carbon-rich layer protected SiC against further corrosion, hence lowering the corrosion rate. The corrosion results of TiC–20% SiC and TiC–40% SiC revealed the corrosion resistance of TiC could be improved by adding SiC. And the contribution of SiC to better corrosion resistance has been elucidated. © 2017 Elsevier Ltd
EI Accession Number20170903395313
EI KeywordsPotassium compounds
EI Classification Number539.1 Metals Corrosion - 539.2 Corrosion Protection - 804 Chemical Products Generally - 804.2 Inorganic Compounds
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Cited Times:8[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Affiliation1.The State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Shanghai; 200050, China;
2.State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Institute of Functional Materials, Donghua University, Shanghai; 201620, China;
3.Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai; 201800, China;
4.Nuclear Fuel Research and Development Center, China Nuclear Power Technology Research Institute, Shenzhen; 518026, China;
5.Innovation Research Team for Advanced Ceramics, Institute of Nuclear Physics and Chemistry, China Academy of Engineering Physics, Mianyang; 621900, China;
6.University of Chinese Academy of Sciences, Beijing; 100049, China
Recommended Citation
GB/T 7714
Gu, Yifeng,Liu, Ji-Xuan,Wang, Yang,等. Corrosion behavior of TiC–SiC composite ceramics in molten FLiNaK salt[J]. Journal of the European Ceramic Society,2017,37(7):2575-2582.
APA Gu, Yifeng.,Liu, Ji-Xuan.,Wang, Yang.,Xue, Jia-Xiang.,Wang, Xin-Gang.,...&Zhang, Guo-Jun.(2017).Corrosion behavior of TiC–SiC composite ceramics in molten FLiNaK salt.Journal of the European Ceramic Society,37(7),2575-2582.
MLA Gu, Yifeng,et al."Corrosion behavior of TiC–SiC composite ceramics in molten FLiNaK salt".Journal of the European Ceramic Society 37.7(2017):2575-2582.
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