Study on the Extrusion Process of Spray-Deposition SiC_p/Al Composite and 6066 Al Alloy

6066Al/SiCp composite and 6066 aluminum alloy were prepared by spray deposition technology Density and mechanical properties were studied at varied extrusion ratio and exteusion temperature It is found that sprayed Al/SiCp is porous,SiC particles distributed unevenly in the matrix and most pores disappeared in the extrusion Al/SiCp and Al matrix is more compacted and properties become better with the increasing of extrusion ratio when lower than 14 7 The temperature of extrusion has few influences on the dense of materials, and high extrusion temperature makes materials properties worse