Abstract: A new idea of three–dimensional network ceramics(skeleton) reinforced metallic composite is put forward, and a new three–dimensional network ceramics(skeleton) reinforced aluminum alloy composite is designed and fabricated. The sliding friction and wear properties of the composite are studied. Experimental results show that heavy load result in serious adhesive wear, micro—hardness decrease and sub—surface plastic deformation of the unreinforced aluminum alloy. Ceramics particles exposed on the sliding surface of the composite support the load, thus prevent the matrix from severe wear.Compared with the unreinforced matrix, the composite has stable and comparatively lower friction coefficient and greatly increased wear resistance .

Key words: Composite Friction and wear, Die casting method, Three-dimensional ceramics network (skeleton)