Recent progress of Mg-Sn based alloys: the relationship between aging response and mechanical performance
Recent progress of Mg-Sn based alloys: the relationship between aging response and mechanical performance
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Mg-Sn基合金最新进展：时效响应与力学性能的关系
DOI：
10.1016/j.jmrt.2022.08.126
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发表时间：
2022-09
期刊：
影响因子：
--
通讯作者：
Aibin Ma
中科院分区：
文献类型：
--
作者：
Xiaoru Zhuo;Liyan Zhao;Wei Gao;Yuna Wu;Huan Liu;Peng Zhang;Zhichao Hu;Jinghua Jiang;Aibin Ma
镁合金作为最轻的金属结构材料，具有优良的阻尼性能、良好的铸造性能和较高的比强度，在航空、汽车、轨道交通等领域有着巨大的应用潜力。然而，镁合金的强度通常低于应用基准福尔斯，并且高强度镁合金的开发依赖于稀土（RE）元素的添加，这提高了其成本并限制了其应用。Mg-Sn基合金是一种很有前途的可时效硬化无稀土镁合金，有望取代含稀土的镁合金，成为耐热高强镁合金。Mg-Sn基合金的显微组织和力学性能在过去的二十年里引起了人们极大的研究兴趣。对这一领域的最新进展进行全面的回顾有利于它们的发展，但目前还没有这样的回顾。本文从时效响应与力学性能的关系出发，综述了Mg-Sn基合金的研究进展，以期为高性能Mg-Sn基合金的开发提供指导。几个关键方面进行了讨论，包括时效响应，室温强度和塑性，拉压屈服不对称。
As the lightest metallic structural materials with excellent damping capacity, good castability, 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 alloys 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 properties 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.
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