采用粉末冶金方法制备碳化硅陶瓷颗粒(SiCP)增强金属铝基复合材料板(MMCs),并采用热压扩散法制备功能梯度装甲板(FGM).利用高速冲击空气炮系统,对纯铝靶板和两种不同铺层结构的功能梯度装甲靶板进行侵彻试验,并利用LS-DYNA软件对侵彻试验过程进行数值模拟分析,同时考察等厚、等面密度下SiC颗粒分布对抗侵彻性能的影响.研究结果表明,功能梯度板的抗侵彻性能比纯铝板好,而两种不同铺层结构功能梯度板的抗侵彻性能相差不大.数值计算结果与现有试验结果取得了较好的一致,说明了数值模拟的有效性.从数值计算结果可以看出,层状功能梯度板比等厚、等面密度均质复合材料靶板的抗侵彻能力好,并可近似地认为等厚、等面密度下多层功能梯度板的抗侵彻性能对颗粒分布不敏感.
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