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Conference Paper/Proceeding/Abstract 1470 views 377 downloads

Increased Corrosion Resistance of Zinc Magnesium Aluminum Galvanised Coating through Germanium Additions

Shahin Mehraban, Jack Malone, Nicholas Lavery Orcid Logo, James Sullivan Orcid Logo, David Penney Orcid Logo, Steve Brown

ECS Transactions, Volume: 75, Issue: 30, Pages: 1 - 15

Swansea University Authors: Nicholas Lavery Orcid Logo, James Sullivan Orcid Logo, David Penney Orcid Logo, Steve Brown

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DOI (Published version): 10.1149/07530.0001ecst

Abstract

The corrosion performance of a Zinc Magnesium Aluminium alloy was shown to improve through the addition of a quaternary element, Germanium. Improved corrosion resistance can be attributed to microstructural changes in the alloy due to Ge addition while in the molten state. The proportion of the most...

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Published in: ECS Transactions
ISSN: 1938-6737 1938-5862
Published: 2017
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URI: https://cronfa.swan.ac.uk/Record/cronfa32175
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spelling 2017-07-31T10:00:01.2846923 v2 32175 2017-02-28 Increased Corrosion Resistance of Zinc Magnesium Aluminum Galvanised Coating through Germanium Additions 9f102ff59824fd4f7ce3d40144304395 0000-0003-0953-5936 Nicholas Lavery Nicholas Lavery true false 40e32d66748ab74184a31207ab145708 0000-0003-1018-773X James Sullivan James Sullivan true false 869becc35438853f2bca0044df467631 0000-0002-8942-8067 David Penney David Penney true false 07a865adc76376646bc6c03a69ce35a9 Steve Brown Steve Brown true false 2017-02-28 MECH The corrosion performance of a Zinc Magnesium Aluminium alloy was shown to improve through the addition of a quaternary element, Germanium. Improved corrosion resistance can be attributed to microstructural changes in the alloy due to Ge addition while in the molten state. The proportion of the most active MgZn2 phase which has been shown to initiate the corrosion reaction in a ZMA alloy was reduced thorough the formation of Mg2Ge crystals. The formation of crystal structures within the alloy also increased the heterogeneous nucleation of the primary zinc phase. The Scanning Vibrating Electrode Technique (SVET) was used to measure the rate of corrosion, anode life and zinc loss of the alloy samples. The results showed a zinc loss of around 50% when compared to standard ZMA alloy without Ge addition. Conference Paper/Proceeding/Abstract ECS Transactions 75 30 1 15 1938-6737 1938-5862 20 1 2017 2017-01-20 10.1149/07530.0001ecst COLLEGE NANME Mechanical Engineering COLLEGE CODE MECH Swansea University 2017-07-31T10:00:01.2846923 2017-02-28T12:38:03.1703416 Faculty of Science and Engineering School of Engineering and Applied Sciences - Uncategorised Shahin Mehraban 1 Jack Malone 2 Nicholas Lavery 0000-0003-0953-5936 3 James Sullivan 0000-0003-1018-773X 4 David Penney 0000-0002-8942-8067 5 Steve Brown 6 0032175-02032017170402.pdf mehraban2017.pdf 2017-03-02T17:04:02.3930000 Output 1366843 application/pdf Accepted Manuscript true 2017-03-02T00:00:00.0000000 false eng
title Increased Corrosion Resistance of Zinc Magnesium Aluminum Galvanised Coating through Germanium Additions
spellingShingle Increased Corrosion Resistance of Zinc Magnesium Aluminum Galvanised Coating through Germanium Additions
Nicholas Lavery
James Sullivan
David Penney
Steve Brown
title_short Increased Corrosion Resistance of Zinc Magnesium Aluminum Galvanised Coating through Germanium Additions
title_full Increased Corrosion Resistance of Zinc Magnesium Aluminum Galvanised Coating through Germanium Additions
title_fullStr Increased Corrosion Resistance of Zinc Magnesium Aluminum Galvanised Coating through Germanium Additions
title_full_unstemmed Increased Corrosion Resistance of Zinc Magnesium Aluminum Galvanised Coating through Germanium Additions
title_sort Increased Corrosion Resistance of Zinc Magnesium Aluminum Galvanised Coating through Germanium Additions
author_id_str_mv 9f102ff59824fd4f7ce3d40144304395
40e32d66748ab74184a31207ab145708
869becc35438853f2bca0044df467631
07a865adc76376646bc6c03a69ce35a9
author_id_fullname_str_mv 9f102ff59824fd4f7ce3d40144304395_***_Nicholas Lavery
40e32d66748ab74184a31207ab145708_***_James Sullivan
869becc35438853f2bca0044df467631_***_David Penney
07a865adc76376646bc6c03a69ce35a9_***_Steve Brown
author Nicholas Lavery
James Sullivan
David Penney
Steve Brown
author2 Shahin Mehraban
Jack Malone
Nicholas Lavery
James Sullivan
David Penney
Steve Brown
format Conference Paper/Proceeding/Abstract
container_title ECS Transactions
container_volume 75
container_issue 30
container_start_page 1
publishDate 2017
institution Swansea University
issn 1938-6737
1938-5862
doi_str_mv 10.1149/07530.0001ecst
college_str Faculty of Science and Engineering
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hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Engineering and Applied Sciences - Uncategorised{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Engineering and Applied Sciences - Uncategorised
document_store_str 1
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description The corrosion performance of a Zinc Magnesium Aluminium alloy was shown to improve through the addition of a quaternary element, Germanium. Improved corrosion resistance can be attributed to microstructural changes in the alloy due to Ge addition while in the molten state. The proportion of the most active MgZn2 phase which has been shown to initiate the corrosion reaction in a ZMA alloy was reduced thorough the formation of Mg2Ge crystals. The formation of crystal structures within the alloy also increased the heterogeneous nucleation of the primary zinc phase. The Scanning Vibrating Electrode Technique (SVET) was used to measure the rate of corrosion, anode life and zinc loss of the alloy samples. The results showed a zinc loss of around 50% when compared to standard ZMA alloy without Ge addition.
published_date 2017-01-20T03:39:23Z
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score 11.036815

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