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Corrosion behavior of ZrC-SiC composite ceramics in LiF-NaF-KF molten salt at high temperatures
Wang, Y; Tang, ZF; Fu, Y; Huang, SR; Zhao, SF; Zhang, P; Xie, LD; Wang, XG; Zhang, GJ; Tang, ZF (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China.
2015
Source PublicationCERAMICS INTERNATIONAL
ISSN0272-8842
Volume41Issue:10Pages:12996—13005
Subtype期刊文献
AbstractThe suitability of ZrC-SiC-based ceramics was assessed as candidate materials for fluoride. An immersion corrosion with ZrC-SiC composites was performed in molten FLiNaK salts (LiF-NaF-KF: 46.5/11.5/42 mol%) at 850 degrees C. Results indicated that ZrC-SiC-based ceramics were more corrosion resistant than the ZrC ceramic. ZrC-40SiC ceramic exhibited 50% weight-loss to ZrC. This carbide exhibited minimal corrosion attack because of strong resistance to dissolution in molten fluorides. Furthermore, XRD results were consistent with weight-loss and SEM results. The corrosion behavior of ZrC-SiC-based ceramics was affected by impurities, particularly oxygen content. Oxygen and/or oxygen ion participated in corrosion of ceramic. Corrosion of carbide ceramics is mainly due to C4- in ceramics. This ion is oxidized to elemental C by oxidants or impurities in the molten salt. The addition of C may inhibit corrosion of molten salts and thus improve the corrosion resistance of carbide ceramics. (C) 2015 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
KeywordReactor Flinak Fuel
Indexed BySCI
Language英语
WOS IDWOS:000362860900061
Citation statistics
Cited Times:12[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/24892
Collection中科院上海应用物理研究所2011-2020年
Corresponding AuthorTang, ZF (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China.
Recommended Citation
GB/T 7714
Wang, Y,Tang, ZF,Fu, Y,et al. Corrosion behavior of ZrC-SiC composite ceramics in LiF-NaF-KF molten salt at high temperatures[J]. CERAMICS INTERNATIONAL,2015,41(10):12996—13005.
APA Wang, Y.,Tang, ZF.,Fu, Y.,Huang, SR.,Zhao, SF.,...&Tang, ZF .(2015).Corrosion behavior of ZrC-SiC composite ceramics in LiF-NaF-KF molten salt at high temperatures.CERAMICS INTERNATIONAL,41(10),12996—13005.
MLA Wang, Y,et al."Corrosion behavior of ZrC-SiC composite ceramics in LiF-NaF-KF molten salt at high temperatures".CERAMICS INTERNATIONAL 41.10(2015):12996—13005.
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