IMR OpenIR
Effect of sol-gel sealing treatment loaded with different cerium salts on the corrosion resistance of Fe-based amorphous coating
Liu, M. M.; Hu, H. X.; Zheng, Y. G.; Wang, J. Q.; Gan, Z. H.; Qiu, S.
2019-06-15
Source PublicationSURFACE & COATINGS TECHNOLOGY
ISSN0257-8972
Volume367Pages:311-326
AbstractPorosity defects inevitably formed in the preparation of high-velocity oxy-fuel (HVOF)-sprayed Fe-based amorphous coating, which greatly affected the corrosion resistance and service lives of Fe-based amorphous coating. Sealing treatment could be an effective candidate method to alleviate the problem above. In this paper, three sealed coatings including sol-gel (SG) coating, sol-gel with cerium nitrate (SCN) coating and sol-gel with cerium tartrate (SCT) coating were applied on Fe-based amorphous coating. The influence of sealing treatment on the structure and corrosion resistance of Fe-based amorphous coating was investigated by scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FTIR) and electrochemical methods. The results revealed the corrosion resistance of Fe-based amorphous coating was enhanced after sealing treatments in comparison with that of unsealed coating. However, the density of SCN coating was reduced compared with that of SG coating, although it had corrosion inhibition effect. SCT coating exhibited the best in eliminating defects and enhancing the corrosion resistance among three sealed coatings. Moreover, the combined protection mechanism of SCT coating was proposed and discussed.
KeywordFe-based amorphous coating Sol-gel coating Sealing treatment Corrosion inhibition
Indexed BySCI
Language英语
WOS IDWOS:000466253300033
PublisherELSEVIER SCIENCE SA
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/80997
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Liu, M. M.,Hu, H. X.,Zheng, Y. G.,et al. Effect of sol-gel sealing treatment loaded with different cerium salts on the corrosion resistance of Fe-based amorphous coating[J]. SURFACE & COATINGS TECHNOLOGY,2019,367:311-326.
APA Liu, M. M.,Hu, H. X.,Zheng, Y. G.,Wang, J. Q.,Gan, Z. H.,&Qiu, S..(2019).Effect of sol-gel sealing treatment loaded with different cerium salts on the corrosion resistance of Fe-based amorphous coating.SURFACE & COATINGS TECHNOLOGY,367,311-326.
MLA Liu, M. M.,et al."Effect of sol-gel sealing treatment loaded with different cerium salts on the corrosion resistance of Fe-based amorphous coating".SURFACE & COATINGS TECHNOLOGY 367(2019):311-326.
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