De-alloying Behavior of Mg–Al alloy in Sulphuric Acid and Acetic Acid Aqueous Solutions

The fabricated Mg–Al alloy consists of α-Mg phase and Mg–Mg(17)Al(12) eutectic phase. The corrosion behavior of cast Mg–Al alloy in sulphuric acid (H(2)SO(4)) and acetic acid (HAc) aqueous solutions was investigated. The Mg–Al alloy shows general corrosion in H(2)SO(4) solution, and the α-Mg dendrit...

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Autores principales: Li, Yonggang, Wei, Yinghui, Yang, Shengqiang
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2019
Materias:
Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6651890/
https://www.ncbi.nlm.nih.gov/pubmed/31247922
http://dx.doi.org/10.3390/ma12132046
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author Li, Yonggang
Wei, Yinghui
Yang, Shengqiang
author_facet Li, Yonggang
Wei, Yinghui
Yang, Shengqiang
author_sort Li, Yonggang
collection PubMed
description The fabricated Mg–Al alloy consists of α-Mg phase and Mg–Mg(17)Al(12) eutectic phase. The corrosion behavior of cast Mg–Al alloy in sulphuric acid (H(2)SO(4)) and acetic acid (HAc) aqueous solutions was investigated. The Mg–Al alloy shows general corrosion in H(2)SO(4) solution, and the α-Mg dendrites revealed a slightly faster corrosion rate than that of the eutectics. In HAc solution, the alloy shows an obvious selective corrosion characteristic, with the α-Mg dendrites being corroded preferentially. Grain orientation plays an important role in corrosion behavior of the alloy in the HAc solutions.
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spelling pubmed-66518902019-08-07 De-alloying Behavior of Mg–Al alloy in Sulphuric Acid and Acetic Acid Aqueous Solutions Li, Yonggang Wei, Yinghui Yang, Shengqiang Materials (Basel) Article The fabricated Mg–Al alloy consists of α-Mg phase and Mg–Mg(17)Al(12) eutectic phase. The corrosion behavior of cast Mg–Al alloy in sulphuric acid (H(2)SO(4)) and acetic acid (HAc) aqueous solutions was investigated. The Mg–Al alloy shows general corrosion in H(2)SO(4) solution, and the α-Mg dendrites revealed a slightly faster corrosion rate than that of the eutectics. In HAc solution, the alloy shows an obvious selective corrosion characteristic, with the α-Mg dendrites being corroded preferentially. Grain orientation plays an important role in corrosion behavior of the alloy in the HAc solutions. MDPI 2019-06-26 /pmc/articles/PMC6651890/ /pubmed/31247922 http://dx.doi.org/10.3390/ma12132046 Text en © 2019 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Li, Yonggang
Wei, Yinghui
Yang, Shengqiang
De-alloying Behavior of Mg–Al alloy in Sulphuric Acid and Acetic Acid Aqueous Solutions
title De-alloying Behavior of Mg–Al alloy in Sulphuric Acid and Acetic Acid Aqueous Solutions
title_full De-alloying Behavior of Mg–Al alloy in Sulphuric Acid and Acetic Acid Aqueous Solutions
title_fullStr De-alloying Behavior of Mg–Al alloy in Sulphuric Acid and Acetic Acid Aqueous Solutions
title_full_unstemmed De-alloying Behavior of Mg–Al alloy in Sulphuric Acid and Acetic Acid Aqueous Solutions
title_short De-alloying Behavior of Mg–Al alloy in Sulphuric Acid and Acetic Acid Aqueous Solutions
title_sort de-alloying behavior of mg–al alloy in sulphuric acid and acetic acid aqueous solutions
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6651890/
https://www.ncbi.nlm.nih.gov/pubmed/31247922
http://dx.doi.org/10.3390/ma12132046
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AT weiyinghui dealloyingbehaviorofmgalalloyinsulphuricacidandaceticacidaqueoussolutions
AT yangshengqiang dealloyingbehaviorofmgalalloyinsulphuricacidandaceticacidaqueoussolutions

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