一、前言 石墨/铝复合材料具有较高的比强度和比刚度,是用于宇航领域的理想材料。 石墨/铝复合材料的显微组织将直接影响其力学性能。为了探讨石墨纤维与铝基体之间的结合机制,揭示石墨/铝复合材料显微组织与宏观力学性能之间的内在联系,有必要对石墨/铝复合材料的显微组织,尤其是石墨纤维与铝基体界面区域的显微组织进行 I. INTRODUCTION Graphite / aluminum composite material has high specific strength and specific stiffness and is an ideal material for aerospace applications. The microstructure of graphite / aluminum composites will directly affect its mechanical properties. In order to explore the bonding mechanism between graphite fiber and aluminum matrix and to reveal the intrinsic relationship between the microstructure and macroscopic mechanical properties of graphite / aluminum composite, it is necessary to study the microstructure of graphite / aluminum composite, especially graphite fiber and The microstructure of the interface area of ​​the aluminum substrate is carried out