Experiments and simulations of the ballistic response of ceramic composite armors

被引：31
作者：
Cao, Jinfeng [1 ]
Lai, Jianzhong [1 ]
Zhou, Jiehang [1 ]
Kang, Ningyu [1 ]
Du, Longyu [1 ]
Miao, Yiqiu [1 ]
机构：
[1] Nanjing Univ Sci & Technol, Sch Mat Sci & Engn, Nanjing 210094, Peoples R China
来源：
JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY | 2020年 / 34卷 / 07期
基金：
中国国家自然科学基金;
关键词：
Lightweight composite armor; Simulation; Ceramic cone; Ballistic limit; Structural configuration optimization; PROJECTILE PENETRATION; STRAIN RATES; IMPACT; MODEL; OPTIMIZATION; PERFORATION; VALIDATION; BEHAVIOR; DESIGN; STEEL;
D O I：
10.1007/s12206-020-0611-8
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
A lightweight multilayer ceramic composite armor with a sandwich structure back plate was proposed by studying the penetration process, damage mechanism, and the function of each layer of the composite armor against the 12.7 mm armor-piercing projectile. The effectiveness of the simulation was verified by comparing the experimental and simulation data. The effects of crack initiation in the ceramics, abrasion of ceramics, and size of ceramic cones on the penetration resistance of targets were discussed. The structural configuration of backplate sequence and thickness ratio was optimized through finite element simulation on ANSYS/LS-DYNA. Results indicate that boundary constraints have a significant effect on the antipenetration performance of ceramics. The antipenetration performance is the best when the structure of restrained composite armor is Al6061/Al2O3/TC4/Kevlar (R)/TC4 and the thickness ratio of the TC4 transition and back plates is 4:3.
引用
收藏
页码：2783 / 2793
页数：11
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