采用机械合金化（ＭＡ）球磨和热压烧结工艺制备了复合材料Ａｌ／Ａｌ４Ｃ３／Ａｌ２Ｏ３，对其组织结构和力学性能进行了研究。结果表明，发育良好的Ａｌ４Ｃ３棒状单晶体和等轴状γＡｌ２Ｏ３均匀分布在铝晶界或晶粒内部，二者体积含量约为６６ｖ％。Ａｌ／Ａｌ４Ｃ３和Ａｌ／Ａｌ２Ｏ３界面洁净，为直接的原子结合，但不存在确定的位向关系。复合材料的室温、高温强度及刚度比粉末冶金纯铝（Ｐ／ＭＡｌ）显著提高。 Al / Al4C3 / Al2O3 composite was prepared by mechanical alloying (MA) ball milling and hot pressing sintering process. The microstructure and mechanical properties of the composite were studied. The results show that well-developed Al4C3 single crystal and equiaxed γAl2O3 are uniformly distributed in the grain boundaries or within the grain boundaries, both of which have a volume content of about 66v%. Al / Al4C3 and Al / Al2O3 interface clean, direct atomic bonding, but there is no definite orientation relationship. Composite materials at room temperature, high temperature strength and stiffness than powder metallurgy pure aluminum (P / MAl) significantly increased.