Computational Polyetheylene-Ceramic Composite Plate Design and Optimization
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A computational study on the feasibility of increasing the weight-to-protection ratio of polyethylene armored plates by adding local ceramic inserts into the polymer matrix. A computational study was conducted using ANSYS/AUTODYNE software to observe the behavior of the materials under high-velocity impact conditions. Results indicate that efficacy is highly variable based on the geometry and density of the ceramic inserts. Additional studies indicate that the presence of high-density inserts create localizations of high stress and can increase the impact resistance of the by plate by reducing the penetration depth of an impactor by up to 50%.
KeywordsTungsten carbide Computational analysis Ballistic ANSYS Armor Polyethylene
Research was sponsored by the Combat Capabilities Development Command Army Research Laboratory and was accomplished under Cooperative Agreement Number W911NF-15-2-0020. The views and conclusions contained in this document are those of the authors and should not be interpreted as representing the official policies, either expressed or implied, of the Combat Capabilities Development Command Army Research Laboratory or the US Government. The US Government is authorized to reproduce and distribute reprints for Government purposes notwithstanding any copyright notation herein.
The authors gratefully acknowledge the Montana University System Collaborative Materials Science Ph.D. Program.
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