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<p>To determine the optimal thickness ratio and stacking sequence of the components in ceramic composite armor, an experimental study on the penetration behavior of ceramic composite armor, composed of ceramic plates (SiC), ultra-high molecular weight polyethylene (UHMWPE, referred to as PE), and metal (ARMOX500T), was conducted using 7.62-mm armor-piercing incendiary projectiles. The study revealed the failure mechanisms of ceramic composite armor under projectile penetration and identified the key factors affecting its ballistic performance. By employing a uniform design method combined with multivariate quadratic regression analysis, the optimal thickness ratio design schemes for both double-layer and triple-layer composite armor were systematically determined, providing theoretical support for the design of lightweight composite armor. The research showed that, under the same areal density conditions, the optimal stacking sequence of materials for the triple-layer ceramic composite armor to resist full-velocity 7.62-mm armor-piercing incendiary projectiles is ceramic/PE/metal. Notably, when the component thicknesses are at their optimal ratios, the ceramic/PE double-layer ceramic composite armor exhibits a better equivalent mass protection coefficient compared to the ceramic/PE/metal triple-layer ceramic composite armor.</p>

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Study on the Optimal Thickness Ratio and Backing Plate Stacking Sequence of Ceramic Composite Armor Components

  • 期刊论文

  • 发表日期：

    2025年5月5日

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  • Hao Chen,
  • Hao Li,
  • Shizeng Zong,
  • Jianhui Weng,
  • Xinyu Xiong

摘要

To determine the optimal thickness ratio and stacking sequence of the components in ceramic composite armor, an experimental study on the penetration behavior of ceramic composite armor, composed of ceramic plates (SiC), ultra-high molecular weight polyethylene (UHMWPE, referred to as PE), and metal (ARMOX500T), was conducted using 7.62-mm armor-piercing incendiary projectiles. The study revealed the failure mechanisms of ceramic composite armor under projectile penetration and identified the key factors affecting its ballistic performance. By employing a uniform design method combined with multivariate quadratic regression analysis, the optimal thickness ratio design schemes for both double-layer and triple-layer composite armor were systematically determined, providing theoretical support for the design of lightweight composite armor. The research showed that, under the same areal density conditions, the optimal stacking sequence of materials for the triple-layer ceramic composite armor to resist full-velocity 7.62-mm armor-piercing incendiary projectiles is ceramic/PE/metal. Notably, when the component thicknesses are at their optimal ratios, the ceramic/PE double-layer ceramic composite armor exhibits a better equivalent mass protection coefficient compared to the ceramic/PE/metal triple-layer ceramic composite armor.