Aluminum matrix composite is one of the most attractive metal matrix composites. It is a kind of material with strong vitality emerging in response to the needs of modern scientific development. Compared with traditional materials, aluminum matrix composites have the advantages of low density, good electric conductivity and heat conductivity, good wear resistance and oxidation resistance, high specific strength and stiffness, high temperature resistance, good heat treatment performance and

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... ble preparation process, which make them widely used in the fields of aviation, aerospace, and automobile. In this paper, the factors affecting the properties of aluminum matrix composites, the strengthening mechanism, classification and preparation methods of aluminum matrix composites are summarized. The research status, development direction and application prospect of aluminum matrix composites are briefly introduced.