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Full Length Article | Open Access

A Mg alloy with no hydrogen evolution during dissolution

Fuyong Caoa( ), Bo Xiaoa, Ziming Wanga, Tao Yingc, Dajiang Zhenga, Andrej Atrensd, Guang-Ling Songa,b,d( )
Center for Marine Materials Corrosion and Protection, College of Materials, Xiamen University, 422 S. Siming Rd., Xiamen 361005, China
State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, 422 S. Siming Rd, Xiamen 361005, China
National Engineering Research Center of Light Alloy Net Forming, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
School of Mechanical and Mining Engineering, The University of Queensland, St Lucia, Brisbane, QLD 4072, Australia
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Abstract

Hydrogen evolution is normally associated with the corrosion or dissolution of Mg alloys in aqueous solutions. This work studied the corrosion behavior of sputtered pure Mg, Mg82Zn18 (at.%), Mg64Zn36 (at.%), and pure Zn in 3.5% NaCl solution. Mg64Zn36 had (ⅰ) an amorphous microstructure with some nano-scale grains, (ⅱ) a corrosion rate substantially lower than that of pure Mg, and (ⅲ) no hydrogen evolution during corrosion or anodic dissolution, because the positive corrosion potential retarded the cathodic hydrogen evolution. This is a new route to prevent hydrogen evolution during Mg corrosion, which has never previously been realized.

Keywords

Magnesiumhydrogen evolutionmetal glassanodic dissolution

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Journal of Magnesium and Alloys
Volume 11 Issue 6,
June 2023
Pages 2084-2095
DOI: 10.1016/j.jma.2021.08.024

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Cite this article:
Cao F, Xiao B, Wang Z, et al. A Mg alloy with no hydrogen evolution during dissolution. Journal of Magnesium and Alloys, 2023, 11(6): 2084-2095. https://doi.org/10.1016/j.jma.2021.08.024

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Received: 28 March 2021
Revised: 24 August 2021
Accepted: 27 August 2021
Published: 19 October 2021
© 2021 Chongqing University.

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