- 期刊
- OpenAccess
非平面陶瓷複合材料板抗彈性能之研究
Analysis of Ballistic Resistance Performance of Non-Flat Ceramic Composite Plates
摘要
本研究設計具有凸起與凹陷曲率外形的陶瓷，與平面陶瓷板，分別在相同面密度的基礎下開發模具製作試片，並與等厚度的Kevlar纖維結合完成複合材料結構板，透過槍擊測試及模擬分析，比較不同組合複材板的抗彈性能。以相同面密度製作之凸起、凹陷與平面三種不同形狀的陶瓷板，使用點30穿甲彈分別對陶瓷板不同位置進行彈道測試，且利用彈體貫穿末速計算靶板吸收動能。實驗得知吸收動能為凸面陶瓷板最多，凹面陶瓷板次之，平面陶瓷板最少。運用ANSYS/LS-DYN有限元軟體進行動態模擬，分析受衝擊破壞模式與能量吸收，並與實驗結果相互驗證。
並列摘要
The concave, convex as well as flat ceramic plates under same areal density were designed in this research. Each specimen was combined with constant thickness Kevlar plate. Through ballistic test and simulation, ballistic resistance capability of different composition was compared. Ballistic test of these three geometric plates was implemented by using .30 armor-piercing (AP) projectile impacting in different locations, respectively. Kinetic energy absorbed by plates was calculated by measuring impact velocity and residual velocity of projectiles. When impacting different locations, experimental results showed that the largest average energy absorbed was convex ceramic plate, followed by concave and least flat ceramic plate. ANSYS/LS-DYNA finite element software was used to execute dynamic simulation. Impact failure mode and energy absorption were investigated and compared with experimental results.
延伸閱讀
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