Abstract
Results of a study of hypervelocity impact in model disperse-reinforced composites with an epoxy or aluminum matrix with metallic (Al and Pb) or ceramic (SiO2) inclusions are reported. The goal of the present study is to find materials that possess a higher resistance to penetration of a high-velocity projectile compared with materials of separate components. This resistance is characterized by the ratio of the depth of a crater in a sufficiently thick target to the diameter of a spherical projectile. For two composites studied, we show that in impact of a steel particle with a velocity ranging from3 to11km/sec, the crater depth is approximately one projectile diameter smaller than that for lead or aluminum targets.
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