Patent ID: 7854887

Claim:
A method of producing an aluminum matrix composite material, comprising the steps of: (a) mixing an aluminum powder and a ceramic powder to prepare a mixed powder; (b) providing a casing body made of aluminum and formed in a hollow shape having first and second open ends located in a laterally opposed relation to each other; (c) closing the first open end of the casing body; (d) placing the mixed powder into the casing body through the second open end; (e) closing the second open end of the casing body to prepare a pre-rolling assembly; (f) preheating the pre-rolling assembly in such a manner so as to maintain the mixed powder in a powder state; and (g) rolling the pre-rolling assembly following said step of preheating to obtain the aluminum matrix composite material, where the metal matrix composite material includes a pair of metal plates having the mixed powder therebetween, wherein said step of providing a casing body includes forming the casing body as a hollow member using an extrusion process.