Some dispersion strengthened aluminum alloys exhibit excellent mechanical properties at temperatures approaching their melting point [1]. However, many of the early Al2024-SiCNP (SAP) alloys showed inconsistent mechanical behavior due to the presence of large dispersoids and heterogeneous silicon carbides nanoparticles distributions. These limitations can be improved, but only by complicated processing and consolidation techniques such as perpendicular extrusion. Mechanical alloying (MA) evades many of these complicated processing steps. After powder processing by MA, each individual powder particle should contain a fine and homogeneous SiCNP distribution. MA removes the need of complicated post consolidation work in order to refine and distribute the SiCNP dispersion [2]. The present investigation deals with the formation of A12024-SiCNP composites in form of powder particles by MA, the research was conducted with the purpose of provide a better understanding of this important process, including the studies of: distribution of SiCNP reinforcement, microstructural changes into the Al2024 matrix and the mechanical behavior of samples.