Numerical simulation on the effects of ceramic particle reinforcement distribution on the penetration of functionally graded material armor
In this paper,LS-DYNA software was used to simulate the penetration of metal-ceramic functionally graded material armor made of Aluminum alloy reinforced by ceramic particle.The ceramic particle volume fraction varies from layer to layer along the armor thickness.The armors geometry of the calculation model considered was a four-sides-fixed supported square plate whose side length was far out weight its thickness.The penetrator considered was a long rod projectile,and it impacted the plate with three different speeds along the centre line of the plate.Three different armors with the same areal density were investigated.The results show that at relative low impact velocity,the ballistic resistance has very close relation with the gradient distribution of the armor.At relative high impact velocity,the ballistic resistance of functionally graded armors is not sensitive to the ceramic particle distribution.For the same areal density,the ballistic resistance of ceramic particle reinforced functionally graded armors is better than homogeneous aluminum alloy armor at any velocity situation.
functionally graded material armor against penetration metal-ceramic composite
Yu Jia Wang Xintao Shi Liping He Feixiang
College of Aerospace and Civil Engineering, Harbin Engineering University, Harbin 150001, Heilongjia Center for Composite Materials and Structure, Harbin Institute of Technology, Harbin 150080, Heilong
国际会议
昆明
英文
803-807
2012-10-12（万方平台首次上网日期，不代表论文的发表时间）