| Abstract Scope |
This paper reviews the progress of solidification processing of cast metal matrix composites since their original discovery, which was first published in 1969. Current uses of metal matrix composite components in automobiles, railways, space, computer hardware, and recreational equipment are presented. Some cast metal matrix composites which are discussed include aluminum reinforced with graphite, silicon carbide, alumina, and graphene. Several critical issues in solidification processing of metal matrix composites, including nucleation, growth, and the thermo-physical properties of the melts on micro-segregation, and particle pushing or engulfment during solidification are discussed. Current and future directions in solidification processing of cast metal matrix composites are presented, including the synthesis of self-lubricating, self-healing, self-cleaning composites, nanocomposites, and functionally gradient composites. Current and future uses of metal matrix composites as brake rotors, drive shafts, pistons, engine blocks, cylinder liners, intake valves, compressor housing, and electronic packaging in transportation, including electric vehicles, are presented. |