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Preparation and characterization of nanocrystalline beta-Nb2N coating on 430 ferritic stainless steel by disproportionation of Nb(IV) ions in molten salt
Yang, Ling Xu; Wang, Ying; Liu, Rui Jia; Liu, Hui Jun; Zeng, Chao Liu; Fu, Chao
2020-05-01
Source PublicationCERAMICS INTERNATIONAL
Volume46Issue:7Pages:9319-9327
Abstractbeta-Nb2N, a transition metal nitride, has attracted significant interest due to its high hardness, high electrical conductivity, as well as its good corrosion and wear resistance. Herein, a simple novel method to prepare nanocrystalline beta-Nb2N coating on 430 stainless steel substrate by disproportionation of Nb(IV) ions in molten salt is developed and presented. Through this method, a dense, crack-free, uniform, and well-adhered nanocrystalline beta-Nb2N coating is obtained in NaCl-KCl-NaF-NbCl5-Nb melt at 850 degrees C for 5 h. Additionally, effects of temperature and duration on beta-Nb2N coating formation are also investigated. Results indicate that higher temperature and longer duration are more favorable for beta-Nb2N coating formation. Furthermore, the corrosion behavior of the coating was studied by potentiodynamic polarization in 3.5% NaCl solution. Result suggests that the beta-Nb2N coating can significantly improve the pitting corrosion resistance of 430 FSS substrate.
DOI10.1016/j.ceramint.2019.12.187
WOS IDWOS:000528340500097
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/82906
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Yang, Ling Xu,Wang, Ying,Liu, Rui Jia,et al. Preparation and characterization of nanocrystalline beta-Nb2N coating on 430 ferritic stainless steel by disproportionation of Nb(IV) ions in molten salt[J]. CERAMICS INTERNATIONAL,2020,46(7):9319-9327.
APA Yang, Ling Xu,Wang, Ying,Liu, Rui Jia,Liu, Hui Jun,Zeng, Chao Liu,&Fu, Chao.(2020).Preparation and characterization of nanocrystalline beta-Nb2N coating on 430 ferritic stainless steel by disproportionation of Nb(IV) ions in molten salt.CERAMICS INTERNATIONAL,46(7),9319-9327.
MLA Yang, Ling Xu,et al."Preparation and characterization of nanocrystalline beta-Nb2N coating on 430 ferritic stainless steel by disproportionation of Nb(IV) ions in molten salt".CERAMICS INTERNATIONAL 46.7(2020):9319-9327.
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