镁基复合材料具有低的密度、高比强度、比刚度与优异的阻尼性能,是汽车、航空航天等领域的理想化轻量材料,已经成为近年来新材料领域的研究热点。合理有效地选择颗粒增强相对于提升镁基复合材料的性能有着重要的作用。分别从外加法与原位合成法两个方面综述了镁基复合材料颗粒增强相的类型及其对材料力学性能的影响,并对其相应的应用现状进行了分析。最后对颗粒增强相的发展趋势进行了展望。
Magnesium matrix composites with low density, high specific strength, specific stiffness and excellent damping performance, is the ideal lightweight materials in automotive, aerospace and other fields, which has developed into a new research hotspot in the fields of materials. Selecting particles reasonably and effectively plays an important role in improving the properties of magnesium matrix composites. In this paper, the types of reinforced particles phase in magnesium matrix composites and their effects on mechanical properties of materials are reviewed from two aspects of external addition and in-situ synthesis methods, and their corresponding application status is analyzed. The new development of the reinforced particles phase in magnesium matrix composites is also discussed.