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首页> 外文会议>ASME International Design Engineering Technical Conferences and Computers and Information in Engineering Conference 2007 >PENETRATION BEHAVIOUR OF STEEL PLATES
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PENETRATION BEHAVIOUR OF STEEL PLATES

机译：钢板的渗透行为

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摘要

A finite element analysis using ABAQUS v6.6 has been performed to investigate the penetration behaviour of different target structures under the impact velocities of 1000 & 1200 m/s. The analysis has been performed to study the effect of the target configuration and the effect of introducing a damping material like rubber within the target structure on the penetration behaviour of these targets. Three dimensional (3D) models of targets consisting of various discrete one, two and three layers of hardened steel have been developed. The total thickness of each single or multiple layer steel target is 25 mm. These targets have been subjected to the impact of a projectile which was either blunt or had a hemispherical end and is made from a tungsten rod. Furthermore, 3D models consisting of layers of a damping material sandwiched between steel layers have also been developed and analysed. It is found that a purely steel target of multiple layers but of the same total thickness as a single layer steel target produced less residual velocity. This implies that the multiple layer steel targets produced more penetration resistance and, therefore, absorbed more of the impact energy than the single layer steel target. Similarly, multiple layer composite targets comprising layers of a damping material sandwiched between steel layers produced a greater penetration resistance and less residual velocity than a single layer steel target. However, the multiple layer composite targets only produced a slightly greater penetration resistance and less residual velocity than a multiple layer steel target.
机译：已经进行了使用ABAQUS v6.6的有限元分析，以研究在1000和1200 m / s的撞击速度下不同目标结构的穿透行为。已经进行了分析以研究靶结构的影响以及在靶结构内引入诸如橡胶的阻尼材料对这些靶的渗透行为的影响。已经开发了由各种离散的一层，两层和三层硬化钢组成的目标的三维（3D）模型。每个单层或多层钢靶的总厚度为25毫米。这些目标受到了由钨棒制成的弹头的冲击，该弹头是钝的或半球形的。此外，还开发并分析了由夹在钢层之间的阻尼材料层组成的3D模型。发现多层的纯钢靶但与单层钢靶具有相同的总厚度产生较小的残余速度。这意味着多层钢靶比单层钢靶产生更多的抗穿透性，因此吸收了更多的冲击能量。类似地，与单层钢靶相比，包括夹在钢层之间的阻尼材料层的多层复合靶产生更大的抗穿透性和较小的残余速度。然而，多层复合靶材仅产生比多层钢靶材稍高的抗穿透性和较小的残余速度。

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