Effect of Y Concentration on the In Situ Growth Behavior and Corrosion Protection of the MgAlY-LDH Sealing Film on the Anodized Surface of Mg–2Zn–4Y Alloy

Yuqi Hong; Yuqi Hong; Liang Wu; Liang Wu; Xinyi Zhang; Xinyi Zhang; Guoxiang Zhan; Guoxiang Zhan; Yanning Chen; Yanning Chen; Wenhui Yao; Wenhui Yao; Xu Dai; Xu Dai; Tao Wu; Tao Wu; Xiaowei Dai; Xiaowei Dai; Jianpeng Xiang; Jianpeng Xiang; Yan Zhou; Yan Zhou; Fusheng Pan; Fusheng Pan

doi:10.3389/fmats.2022.825120

Frontiers in Materials (May 2022)

Effect of Y Concentration on the In Situ Growth Behavior and Corrosion Protection of the MgAlY-LDH Sealing Film on the Anodized Surface of Mg–2Zn–4Y Alloy

Yuqi Hong,
Yuqi Hong,
Liang Wu,
Liang Wu,
Xinyi Zhang,
Xinyi Zhang,
Guoxiang Zhan,
Guoxiang Zhan,
Yanning Chen,
Yanning Chen,
Wenhui Yao,
Wenhui Yao,
Xu Dai,
Xu Dai,
Tao Wu,
Tao Wu,
Xiaowei Dai,
Xiaowei Dai,
Jianpeng Xiang,
Jianpeng Xiang,
Yan Zhou,
Yan Zhou,
Fusheng Pan,
Fusheng Pan

Affiliations

Yuqi Hong: State Key Laboratory of Mechanical Transmission, College of Materials Science and Engineering, Chongqing University, Chongqing, China
Yuqi Hong: National Engineering Research Center for Magnesium Alloys, Chongqing University, Chongqing, China
Liang Wu: State Key Laboratory of Mechanical Transmission, College of Materials Science and Engineering, Chongqing University, Chongqing, China
Liang Wu: National Engineering Research Center for Magnesium Alloys, Chongqing University, Chongqing, China
Xinyi Zhang: State Key Laboratory of Mechanical Transmission, College of Materials Science and Engineering, Chongqing University, Chongqing, China
Xinyi Zhang: National Engineering Research Center for Magnesium Alloys, Chongqing University, Chongqing, China
Guoxiang Zhan: State Key Laboratory of Mechanical Transmission, College of Materials Science and Engineering, Chongqing University, Chongqing, China
Guoxiang Zhan: National Engineering Research Center for Magnesium Alloys, Chongqing University, Chongqing, China
Yanning Chen: State Key Laboratory of Mechanical Transmission, College of Materials Science and Engineering, Chongqing University, Chongqing, China
Yanning Chen: National Engineering Research Center for Magnesium Alloys, Chongqing University, Chongqing, China
Wenhui Yao: State Key Laboratory of Mechanical Transmission, College of Materials Science and Engineering, Chongqing University, Chongqing, China
Wenhui Yao: National Engineering Research Center for Magnesium Alloys, Chongqing University, Chongqing, China
Xu Dai: State Key Laboratory of Mechanical Transmission, College of Materials Science and Engineering, Chongqing University, Chongqing, China
Xu Dai: National Engineering Research Center for Magnesium Alloys, Chongqing University, Chongqing, China
Tao Wu: State Key Laboratory of Mechanical Transmission, College of Materials Science and Engineering, Chongqing University, Chongqing, China
Tao Wu: National Engineering Research Center for Magnesium Alloys, Chongqing University, Chongqing, China
Xiaowei Dai: State Key Laboratory of Mechanical Transmission, College of Materials Science and Engineering, Chongqing University, Chongqing, China
Xiaowei Dai: National Engineering Research Center for Magnesium Alloys, Chongqing University, Chongqing, China
Jianpeng Xiang: State Key Laboratory of Mechanical Transmission, College of Materials Science and Engineering, Chongqing University, Chongqing, China
Jianpeng Xiang: National Engineering Research Center for Magnesium Alloys, Chongqing University, Chongqing, China
Yan Zhou: State Key Laboratory of Mechanical Transmission, College of Materials Science and Engineering, Chongqing University, Chongqing, China
Yan Zhou: National Engineering Research Center for Magnesium Alloys, Chongqing University, Chongqing, China
Fusheng Pan: State Key Laboratory of Mechanical Transmission, College of Materials Science and Engineering, Chongqing University, Chongqing, China
Fusheng Pan: National Engineering Research Center for Magnesium Alloys, Chongqing University, Chongqing, China

DOI: https://doi.org/10.3389/fmats.2022.825120
Journal volume & issue: Vol. 9

Abstract

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The successful doping of Yttrium (Y) in the Mg-Al layered double hydroxide film (MgAlY-LDHs) is obtained by hydrothermal way on the anodic oxide film of Mg-2Zn-4Y alloys. The composition, morphology and structure of MgAlY-LDHs were characterized by the Fourier transform infrared spectroscopy (FT-IR), X-ray diffractometer (XRD), field-emission scanning electronic microscope (FE-SEM) and energy dispersive spectrometry (EDS) respectively. The electrochemical behavior was observed by polarization curves and electrochemical impedance spectroscopy (EIS). Y ions can be incorporated into the MgAl-LDHs film in a completely isomorphic replacement manner and have the ability to improve the corrosion resistance of the film. Moreover, the ternary LDHs film grown in situ on the Mg-2Zn-4Y alloy provides a high possibility for the corrosion resistance of industrial metals. The schematic representation of electrochemical behavior and the growth mechanism of MgAlY-LDHs nanosheet are as following eventually.

Published in Frontiers in Materials

ISSN: 2296-8016 (Online)
Publisher: Frontiers Media S.A.
Country of publisher: Switzerland
LCC subjects: Technology
Website: https://www.frontiersin.org/journals/materials

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