2007•Key engineering materialsOpen access

Three Modes of Penetration Mechanisms of A3 Steel Cylindrical Projectiles Impact onto 45 Steel Plates

Xianwei Chen, Fang Ju Zhang, Bin Liang, Ruo Ze Xie, Ai Ming Xu

Abstract

For researching the terminal ballistic effect of the Fragment Simulation Projectile (FSP), the experiments that A3 steel cylindrical projectiles of 25mm diameter impacting 45 steel plates are conducted. The intensity of A3 steel is less than that of 45 steel. In the velocity ranges of 200m/s～ 800m/s, Taylor impact, petal-cap failure of Sunflower alike and plugging perforation are observed, respectively. Complicated material failures of projectile and target conflict with the various penetration mechanisms.

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Key concepts: Projectile, Penetration (warfare), Materials science, Perforation, Composite material, Warhead, Structural engineering, Metallurgy