Patent ID: 7854886

Claim:
A method of producing a metal matrix composite material, comprising the steps of: (a) mixing a metal powder and a ceramic powder to prepare a mixed powder; (b) providing a metal casing having a lower casing member and an upper closing member, the upper closing member is adapted to seal the metal casing closed; (c) placing the mixed powder into the lower casing member; (d) sealing the metal casing filled with the mixed powder by placing the upper closing member on the lower casing member so as to prepare a pre-rolling assembly; (e) preheating the pre-rolling assembly in such a manner so as to maintain the mixed powder in a powder state; and (f) rolling the pre-rolling assembly following said step of preheating to obtain the metal matrix composite material, where the metal matrix composite material includes a pair of metal plates having the mixed powder therebetween, wherein the upper closing member includes an open bottom and is adapted to be fitted onto an outer peripheral surface of the lower casing member from above in a surrounding manner so as to cover the lower casing member.