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首页> 外文期刊>International journal of impact engineering >Effect of composite covering on ballistic fracture damage development in ceramic plates
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Effect of composite covering on ballistic fracture damage development in ceramic plates

机译：复合材料覆盖对陶瓷板弹道断裂损伤发展的影响

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摘要

This paper describes the damage development in ceramics with and without composite cover during ballistic impact. This is relevant for ceramic inserts in body armor that are often covered with a composite material. To study the effect of the cover on the damage development in the ceramic, projectile impact experiments were performed at sub-muzzle velocities on bare alumina tiles and plates covered with a fiberglass composite. In addition to the experiments, finite element simulations were performed. An atypical formulation was used; Arbitrary Lagrangian Eulerian (ALE) for the projectile and Lagrangian for the ceramic target. For the ceramic target, an unconventional material model was chosen; the pseudo-geological model 72_R3 in LS-DYNA.
机译：本文介绍了在有弹药和无弹药的情况下，陶瓷在弹道撞击中的损坏情况。这与通常用复合材料覆盖的防弹衣中的陶瓷插件有关。为了研究覆盖物对陶瓷损伤发展的影响，在裸子氧化铝砖和覆盖有玻璃纤维复合材料的板上以子枪口速度进行了弹丸冲击实验。除实验外，还进行了有限元模拟。使用非典型配方；拉格朗日的任意欧拉（ALE）用于弹丸，拉格朗日的用于陶瓷靶。对于陶瓷靶，选择了一种非常规的材料模型。 LS-DYNA中的伪地质模型72_R3。

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