颗粒增强铝基复合材料界面性能的研究

Review on Interfacial Properties of Particle-reinforced Aluminum Matrix Composites

颗粒增强铝基复合材料具有较好的比刚度、比强度、抗疲劳、耐热耐磨和辐射屏蔽等优点,广泛应用于航空航天、军工、电子和汽车等领域。在这类材料中,基体-增强体界面的结构与性能对复合材料宏观性能影响显著。综述了颗粒增强铝基复合材料主要的制备方法和应用现状,特别聚焦于界面的结构及其对复合材料宏观性能的影响方式与机制,同时指出了复合材料制备过程中各种因素对材料界面性质的影响。最后,展望了颗粒增强铝基复合材料界面性能研究的发展前景,指出可采用先进的微纳米尺度的测量技术,结合显微结构表征的方法,系统地研究界面性能与结构之间的关系。

Particle-reinforced aluminum matrix composites have excellent specific stiffness,specific strength,fatigue-resistance,heat-resistance and radiation shielding,etc.,making them important engineering materials that are widely used in aerospace,military,electronic and automotive applications.In such materials,the structure and properties of the reinforcement-matrix interface significantly affect their bulk properties.The typical fabrication routes and applications of particle-reinforced aluminum matrix composites are discussed,with particular focus on the interfacial characteristics,including the structure,cohesion,wetting behavior,and thermal stability of the reinforcementmatrix interfaces,and their effect on bulk properties.The impacts of various factors in the fabrication process on the interfacial properties are also discussed.It is proposed that micro-/nano-scale measurements combined with site-specific electron microscopic analysis may provide important implications on the correlation between the nature of the interface and the properties in particle-reinforced aluminum matrix composites.