In recent decades, the demand for lightweight and high specific strength materials brings about the development of magnesium matrix composites. Different from some traditional binary ceramic particles, such as SiC, Al₂O₃, the novel ternary nano-layered M_n+1AX_n (MAX) phase carbide or nitride ceramics exhibit metal-like properties and self-lubricate capacity (where “M” is an early transition metal, “A” belongs to the group A element, “X” is C or/and N, and n = 1–3). Ti₂AlC, as the representative of the MAX phase, was interestingly introduced into the magnesium matrix. Layered Ti₂AlC MAX phased reinforced AZ91D magnesium composites manufactured through the stir casting exhibit sufficient deformation capacity due to unique deformation behaviors of MAX, namely delamination and the formation of kinking band. Further, the Ti₂AlC-AZ91D composites exhibit a distinctive characteristic in strengthening mechanism, damping mechanism and tribological capacity due to the other special properties of MAX phase, such as self-lubricated property. Accordingly, to give a comprehensive understanding, we overviewed the fabrication process, microstructural characterization, mechanical properties, damping property and tribological capacity on these composites. In order to understand the A-site effect in MAX phase on the microstructure, we introduced another representative Ti₃SiC₂ MAX phase to explain the interfacial evolution. In addition, due to the high aspect ratio of MAX, MAX particles could be orientationally regulated in Mg matrix by plastic deformation such as hot extrusion. Herein, we discussed the anisotropic mechanical and physical properties of the textured composites produced by hot extrusion. Moreover, the potential applications and future development trends of MAX phases reinforced magnesium matrix composites were also given and prospected.

近几十年来，对轻质、高比强度材料的需求带动了镁基复合材料的发展。不同于一些传统的二元陶瓷颗粒，如 SiC、Al ₂ O ₃，新型三元纳米层状 M _n+1 AX _n (MAX) 相碳化物或氮化物陶瓷表现出类金属性能和自润滑能力（其中“ M”为早期过渡金属，“A”属于A族元素，“X”为C或/和N，n  =1-3）。Ti ₂ AlC 作为 MAX 相的代表被有趣地引入镁基体中。层状钛₂由于 MAX 独特的变形行为，即分层和扭结带的形成，通过搅拌铸造制造的 AlC MAX 相增强 AZ91D 镁复合材料表现出足够的变形能力。此外，由于MAX相的其他特殊性能，如自润滑性能，Ti _{2 AlC-AZ91D复合材料在强化机制、阻尼机制和摩擦学能力方面表现出独特的特征。}因此，为了全面了解这些复合材料的制造工艺、微观结构表征、机械性能、阻尼性能和摩擦学能力。为了了解MAX相中的A位对显微组织的影响，我们介绍了另一种具有代表性的Ti ₃ SiC₂ MAX阶段解释界面演化。此外，由于 MAX 的高纵横比，MAX 颗粒可以通过热挤压等塑性变形在 Mg 基体中进行定向调节。在这里，我们讨论了通过热挤压生产的织构复合材料的各向异性机械和物理性能。此外，还对MAX相增强镁基复合材料的潜在应用和未来发展趋势进行了展望。