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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 Xu1,2,3; Wang, Ying1,2; Liu, Rui Jia1,2; Liu, Hui Jun3; Zeng, Chao Liu3; Fu, Chao3
Corresponding AuthorLiu, Hui Jun(hjliu2003@aliyun.com) ; Zeng, Chao Liu(clzeng@imr.ac.cn)
2020-05-01
Source PublicationCERAMICS INTERNATIONAL
ISSN0272-8842
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.
KeywordNanocrystalline beta-Nb2N coating Disproportionanon Molten salt Corrosion behavior 3.5% NaCl solution
Funding OrganizationNational Natural Science Foundation of China
DOI10.1016/j.ceramint.2019.12.187
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[51671204]
WOS Research AreaMaterials Science
WOS SubjectMaterials Science, Ceramics
WOS IDWOS:000528340500097
PublisherELSEVIER SCI LTD
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/138620
Collection中国科学院金属研究所
Corresponding AuthorLiu, Hui Jun; Zeng, Chao Liu
Affiliation1.Chinese Acad Sci, Inst Met Res, Lab Corros & Protect, Shenyang 110016, Peoples R China
2.Univ Sci & Technol China, Sch Mat Sci & Engn, Hefei 230026, Peoples R China
3.Songshan Lake Mat Lab, Dongguan 523808, Peoples R China
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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