NaF assisted preparation and the improved corrosion resistance of high content ZnO doped plasma electrolytic oxidation coating on AZ31B alloy

doi:10.1016/j.jma.2023.02.008

IMR OpenIR

	NaF assisted preparation and the improved corrosion resistance of high content ZnO doped plasma electrolytic oxidation coating on AZ31B alloy
	Yang, Chao 1; Huang, Jian 1; Cui, Suihan 1,2,3; Fu, Ricky 2,3; Sheng, Liyuan 4,5; Xu, Daokui 6; Tian, Xiubo 1; Zheng, Yufeng 4; Chu, Paul K.2,3; Wu, Zhongzhen 1
通讯作者	Sheng, Liyuan(lysheng@yeah.net) ; Wu, Zhongzhen(wuzz@pkusz.edu.cn)
	2024-09-01
发表期刊	JOURNAL OF MAGNESIUM AND ALLOYS
ISSN	2213-9567
卷号	12 期号:9 页码:3602-3615
摘要	In the present research, the NaF assisted plasma electrolytic oxidation (PEO) is designed to fabricate the high-content ZnO nanoparticles doped coating on AZ31B alloy. The microstructure, phase constituents and corrosion behavior of the PEO coatings are investigated systematically. The results reveal that the introduction of NaF promotes the formation of MgF2 nanophases in the passivation layer on Mg alloy, decreasing the breakdown voltage and discharge voltage. As a result, the continuous arcing caused by high discharge voltage is alleviated. With the increasing of NaF content, the Zn content in the PEO coating is enhanced and the pore size in the coating is decreased correspondingly. Due to the high-content ZnO doping, the PEO coating protected AZ31B alloy demonstrates the better corrosion resistance. Compared with the bare AZ31B alloy, the high-content ZnO doped PEO coated sample shows an increased corrosion potential from -1.465 V to -1.008 V, a decreased corrosion current density from 3.043 x10-5 A cm-2 to 3.960 x10-8 A cm-2 and an increased charge transfer resistance from 1.213 x102 ohm cm2 to 2.598 x105 ohm cm2 . Besides, the high-content ZnO doped PEO coated sample also has the excellent corrosion resistance in salt solution, exhibiting no obvious corrosion after more than 2000 h neutral salt spraying and 28 days' immersion testing. The improved corrosion resistance can be ascribed to the relative uniform distribution of ZnO in PEO coating which can transform to Zn(OH)2 (c) 2023 Chongqing University. Publishing services provided by Elsevier B.V. on behalf of KeAi Communications Co. Ltd. This is an open access article under the CC BY-NC-ND license ( http://creativecommons.org/licenses/by-nc-nd/4.0/ ) Peer review under responsibility of Chongqing University
关键词	AZ31B alloy Plasma electrolytic oxidation (PEO) ZnO doping NaF Corrosion resistant
资助者	The 2022 Shenzhen sustainable supporting funds for colleges and universities ; Shenzhen Basic Research Project ; Peking University Shenzhen Graduate School Research Start-up Fund of Introducing Talent ; Shenzhen postdoctoral research fund project after outbound ; Shenzhen-Hong Kong Research and Development Fund ; City University of Hong Kong Strategic Research Grants (SRG) ; Guangdong-Hong Kong Technology Cooperation Funding Scheme (TCFS) ; IER Foundation
DOI	10.1016/j.jma.2023.02.008
收录类别	SCI
语种	英语
资助项目	The 2022 Shenzhen sustainable supporting funds for colleges and universities[20220810143642004] ; Shenzhen Basic Research Project[JCYJ20200109144608205] ; Shenzhen Basic Research Project[JCYJ20210324120001003] ; Peking University Shenzhen Graduate School Research Start-up Fund of Introducing Talent[1270110273] ; Shenzhen postdoctoral research fund project after outbound[2129933651] ; Shenzhen-Hong Kong Research and Development Fund[SGDX20201103095406024] ; City University of Hong Kong Strategic Research Grants (SRG)[7005264] ; City University of Hong Kong Strategic Research Grants (SRG)[7005505] ; Guangdong-Hong Kong Technology Cooperation Funding Scheme (TCFS)[GHP/085/18SZ] ; Guangdong-Hong Kong Technology Cooperation Funding Scheme (TCFS)[IERF2020001] ; Guangdong-Hong Kong Technology Cooperation Funding Scheme (TCFS)[IERF2019002] ; IER Foundation[IERF2020001] ; IER Foundation[IERF2019002]
WOS研究方向	Metallurgy & Metallurgical Engineering
WOS类目	Metallurgy & Metallurgical Engineering
WOS记录号	WOS:001348741700001
出版者	KEAI PUBLISHING LTD
引用统计	被引频次：31[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/191068
专题	中国科学院金属研究所
通讯作者	Sheng, Liyuan; Wu, Zhongzhen
作者单位	1.Peking Univ, Shenzhen Grad Sch, Sch Adv Mat, Shenzhen 518055, Peoples R China 2.City Univ Hong Kong, Dept Phys, Dept Mat Sci & Engn, Kowloon, Tat Chee Ave, Hong Kong 999077, Peoples R China 3.City Univ Hong Kong, Dept Biomed Engn, Kowloon, Tat Chee Ave, Hong Kong 999077, Peoples R China 4.Peking Univ, Shenzhen Inst, Shenzhen 518057, Peoples R China 5.PKU HKUST Shenzhen Hongkong Inst, Shenzhen 518057, Peoples R China 6.Chinese Acad Sci, Key Lab Nucl Mat & Safety Assessment, Inst Met Res, Shenyang 110016, Peoples R China
推荐引用方式 GB/T 7714	Yang, Chao,Huang, Jian,Cui, Suihan,et al. NaF assisted preparation and the improved corrosion resistance of high content ZnO doped plasma electrolytic oxidation coating on AZ31B alloy[J]. JOURNAL OF MAGNESIUM AND ALLOYS,2024,12(9):3602-3615.
APA	Yang, Chao.,Huang, Jian.,Cui, Suihan.,Fu, Ricky.,Sheng, Liyuan.,...&Wu, Zhongzhen.(2024).NaF assisted preparation and the improved corrosion resistance of high content ZnO doped plasma electrolytic oxidation coating on AZ31B alloy.JOURNAL OF MAGNESIUM AND ALLOYS,12(9),3602-3615.
MLA	Yang, Chao,et al."NaF assisted preparation and the improved corrosion resistance of high content ZnO doped plasma electrolytic oxidation coating on AZ31B alloy".JOURNAL OF MAGNESIUM AND ALLOYS 12.9(2024):3602-3615.