Journal
JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T
Volume 21, Issue -, Pages 186-211Publisher
ELSEVIER
DOI: 10.1016/j.jmrt.2022.08.126
Keywords
Mg-Sn based Alloys; Aging performance; Strength and ductility; Tension-compression yield; asymmetry; Precipitates
Funding
- Natural Science Foundation of Jiangsu Province [BK20200519]
- Fundamental Research Funds for the Central Universities [B210202102]
- National Natural Science Foundation of China [51901068]
- Postdoctoral Research Foundation of Jiangsu Province [2021K639C]
- Key Research and Development Program of Jiangsu Province [BE2021027]
- Jiangsu Key Laboratory For Light Metal Alloys [LMA202203]
- China Postdoctoral Science Foundation [2021M690860]
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This paper reviews recent progress of Mg-Sn based alloys from the perspective of the relationship between aging response and mechanical performance, aiming to provide guidance for the development of high-performance Mg-Sn based alloys.
As the lightest metallic structural materials with excellent damping capacity, good cast-ability, and high specific strength, Mg alloys have huge potential for application in many industries including aircraft, automobile, and rail traffic. However, the strength of Mg al-loys generally falls below the application benchmark and the development of high-strength Mg alloys relies on the addition of rare earth (RE) elements, which raises their cost and limits their application. Mg-Sn based alloys are promising age-hardenable RE-free Mg alloys which exhibit the potential of replacing those containing RE elements and becoming heat-resistant high-strength Mg alloys. Microstructure and mechanical proper-ties of Mg-Sn based alloys have attracted enormous research interest over the past two decades. A comprehensive review of recent advances in this field is beneficial for their development, but such a review is still unavailable. This paper reviews recent progress of Mg-Sn based alloys from the perspective of the relationship between aging response and mechanical performance, striving to provide guidance for the development of high-performance Mg-Sn based alloys. Several key aspects are discussed including aging response, room temperature strength and ductility, and tension-compression yield asymmetry.(c) 2022 The Author(s). Published by Elsevier B.V. This is an open access article under the CCBY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
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