Aluminum foam sandwich structures subjected to the impact by low-medium velocity FSP

被引：0
|
作者：
Zhang Y. [1 ,2 ]
Cheng Z. [2 ]
Fang Z. [3 ]
Hou H. [1 ]
Zhu X. [1 ]
机构：
[1] Naval University of Engineering, Wuhan
[2] Naval College of Service, Tianjin
[3] Unit 91189 of PLA, Lianyungang
来源：
Zhendong yu Chongji/Journal of Vibration and Shock | 2019年 / 38卷 / 22期
关键词：
Aluminum foam; Ballistic performance; Combination form; Sandwich structure;
D O I：
10.13465/j.cnki.jvs.2019.22.033
中图分类号：
学科分类号：
摘要：
In order to investigate the anti-penetration performance and failure modes of aluminum foam sandwich structures under the impact of low-medium velocity fragment simulator projectile(FSP), a series of ballistic experiment were carried out, the failure modes in different conditions were analysed and the influences of the thickness of front and rear sheets and the rear sheet delamination on the ballistic performance were discussed.The experiment results indicate that the foam core fails in the mode of through-thickness shearing and tearing by the low-medium velocity impact. The failure mode of the front face sheet is shear plugging, and obvious disc deformation around the bullet hole can be observed. The rear face sheet fails in shear fracture and plastic deformation, and the petal cracking occurs when the rear face sheet is thin.The ballistic performance will be better when the rear face sheet is thick or the rear face sheet is sliced. © 2019, Editorial Office of Journal of Vibration and Shock. All right reserved.
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页码：231 / 235
页数：4
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