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Corrosion performance of melt-spun Mg67Zn28Ca5 metallic glass in artificial sweat
School of Mechanical and Aerospace Engineering, Nanyang Technological University, Singapore .
School of Mechanical and Aerospace Engineering, Nanyang Technological University, Singapore.
Jönköping University, School of Engineering, JTH. Research area Materials and manufacturing – Casting.ORCID iD: 0000-0002-0101-0062
2012 (English)In: Journal of Materials Science, ISSN 0022-2461, E-ISSN 1573-4803, Vol. 47, no 18, 6586-6592 p.Article in journal (Refereed) Published
Abstract [en]

The Mg-based metallic glass developed in thisstudy provides an alternative for Mg alloys for being usedin daily life. In this study, the corrosion behaviors of meltspunMgZnCa ribbons with and without heat treatmentwere investigated in artificial sweat. Surface morphologyanalysis showed that amorphous ribbon was more sensitiveto suffer from pitting corrosion. Electrochemical testingand measurement of metal ion concentrations indicate thatribbons in amorphous structure were nobler with smallercorrosion current and possessed much slower dissolutionrate of metal ions. A Zn-rich passivation layer is detectedon the surface of amorphous ribbon, indicating that Zn ismore effective in amorphous ribbon to protect the inneractive metal.

Place, publisher, year, edition, pages
2012. Vol. 47, no 18, 6586-6592 p.
Keyword [en]
Magnesoun, metallic glass, corrosion, sweat
National Category
Metallurgy and Metallic Materials
Identifiers
URN: urn:nbn:se:hj:diva-18408DOI: 10.1007/s10853-012-6589-6Local ID: JTHMaterialISOAI: oai:DiVA.org:hj-18408DiVA: diva2:532637
Available from: 2012-06-12 Created: 2012-06-12 Last updated: 2015-11-17Bibliographically approved

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