Study on the impact resistance of honeycomb sandwich structures under low-velocity/heavy mass

被引：72

作者：

Xue, Xinwei ^{[1
]}

Zhang, Chaofeng ^{[1
]}

Chen, Wei ^{[2
]}

Wu, Meiping ^{[1
]}

Zhao, Junhua ^{[1
]}

机构：

[1] Jiangnan Univ, Jiangsu Key Lab Adv Food Mfg Equipment & Technol, Mech Engn Sch, Wuxi, Jiangsu, Peoples R China

[2] Suzhou Jiangnan Aerosp Mech & Elect Ind Co Ltd, Suzhou, Peoples R China

来源：

COMPOSITE STRUCTURES | 2019年 / 226卷

基金：

美国国家科学基金会; 中国博士后科学基金;

关键词：

Honeycomb sandwich structure; Low-velocity heavy mass impact; Hybrid composite skin; Specific energy absorption; Peak force; BEHAVIOR; PANELS; INDENTATION; PREDICTION; RESPONSES; DAMAGE; BEAMS; MODEL; CAI;

D O I：

10.1016/j.compstruct.2019.111223

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

The honeycomb sandwich structure is a typical light weight structure that is widely used in transportation and other industries. It is necessary to study the impact resistance of this honeycomb sandwich structure when subjected to low-velocity and heavy mass drops. To improve the impact resistance of the honeycomb sandwich structure under low-velocity and heavy load, the first stage was the development of a high ductility and high strength carbon/glass fibre hybrid composite skin. A further discussion is conducted about the relation between the honeycomb core height and the impact resistance of the honeycomb sandwich structure, according to simultaneous test results and finite element method (FEM) analysis. With the verified accurate FEM, the impact resistance of the honeycomb sandwich structure being affected by the honeycomb wall thickness, cell size and impact energy is analysed. Finally, some useful conclusions are drawn for the design of lightweight honeycomb sandwich structures.

引用

页数：9

共 30 条

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