A study on ballistic performance of origami sandwich panels

被引：57

作者：

Zhang, Jianjun ^{[1
]}

Lu, Guoxing ^{[1
]}

Zhang, Ying ^{[2
,3
]}

You, Zhong ^{[4
]}

机构：

[1] Swinburne Univ Technol, Fac Sci Engn & Technol, Hawthorn, Vic 3122, Australia

[2] Tianjin Chengjian Univ, Sch Mat Sci & Engn, Tianjin 300384, Peoples R China

[3] Tianjin Chengjian Univ, Tianjin Key Lab Civil Struct Protect & Reinforcem, Tianjin 300384, Peoples R China

[4] Univ Oxford, Dept Engn Sci, Parks Rd, Oxford OX1 3PJ, England

来源：

INTERNATIONAL JOURNAL OF IMPACT ENGINEERING | 2021年 / 156卷

基金：

澳大利亚研究理事会;

关键词：

Sandwich panels; Origami; Ballistic impact; Deformation and energy absorption; Parametric study; ENERGY-ABSORPTION; LARGE-DEFORMATION; FOLDED CORES; IMPACT; PERFORATION; BEHAVIOR; FOLDCORES; PLATES;

D O I：

10.1016/j.ijimpeng.2021.103925

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

Sandwich structures with origami cores have shown great potential for engineering applications. However, few studies have been performed on the ballistic performance of origami sandwich panels, particularly on their plastic deformation and ballistic resistance. In this study, rectangular metallic sandwich panels with aluminium origami cores were manufactured. Quasi-static indentation and ballistic impact tests were conducted to explore their ballistic performance. Three different shapes of indenters were considered: flat-ended, hemispherical-nosed and conical-nosed. Plastic deformation and energy absorption capacities were observed and analysed. Subsequently, finite element (FE) simulations using Ansys/Ls-dyna were executed to compare the ballistic performance of sandwich panels with origami cores and honeycomb cores. Parametric studies were also conducted to examine the effect of wall thickness, cell edge length and cell number of origami cores on the ballistic performance of origami sandwich panels.

引用

页数：21

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