Journal
PROGRESS IN MATERIALS SCIENCE
Volume 89, Issue -, Pages 92-193Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.pmatsci.2017.04.011
Keywords
Mg; Electrochemistry; Atmospheric corrosion; Alloying; Composites; Biodegradable alloys
Categories
Funding
- AF AB and Helge AX:son Johnsons Stiftelse (Sweden)
- Swedish Foundation for Strategic Research (SSF) [RMA08-0138]
- Ministry of Economy, Industry and Competitiveness of Spain
- Spanish National Research Council (CSIC)
- European Regional Development Fund (ERDF) [MAT2015-74420-JIN]
- German Research Foundation (DFG) [VI 350/7-1, VI 350/12-1]
- Army Research Laboratory (USA)
- Baosteel Corporation
- Woodside
- MINECO/FEDER (Spain) [MAT2015-66334-C3-3-R]
- Swedish Research Council (Vr) [2015-04977]
- Swedish Research Council [2015-04977] Funding Source: Swedish Research Council
- Swedish Foundation for Strategic Research (SSF) [RMA08-0138] Funding Source: Swedish Foundation for Strategic Research (SSF)
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There remains growing interest in magnesium (Mg) and its alloys, as they are the lightest structural metallic materials. Mg alloys have the potential to enable design of lighter engineered systems, including positive implications for reduced energy consumption. Furthermore, Mg alloys are also emerging as viable biodegradable materials and battery electrodes. In spite of the greatest historical Mg usage at present, the wider use of Mg alloys remains restricted by a number of inherent limitations, including vulnerability to corrosion, poor formability and low creep resistance. This review covers recent research that has led to advances in Mg-alloy corrosion; including the application of contemporary methods for understanding Mg corrosion, the establishment of an electrochemical framework for Mg corrosion, illumination of alloying effects, and attempts at corrosion resistant Mg alloys. A discussion drawing from many sources provides an unbiased focus on new achievements, as well as some contentious issues in the field. The electrochemistry of Mg is reviewed in detail, including so-called anodic hydrogen evolution and cathodic activation. This review also covers atmospheric corrosion, and biodegradable Mg alloys. Finally, past and present trends in the field of Mg corrosion are reviewed, identifying knowledge gaps, whilst attempting to also identify future developments and directions. (C) 2017 The Author(s). Published by Elsevier Ltd. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).
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