Experimental investigation on impact and bending properties of a novel dactyl-inspired sandwich honeycomb with carbon fiber

被引：33
作者：
Han, Qigang [1 ,2 ]
Qin, Hanlin [1 ]
Liu, Zhanhang [3 ]
Han, Zhiwu [4 ]
Zhang, Junqiu [4 ]
Niu, Shichao [4 ]
Zhang, Wenqiang [1 ]
Sun, Yanbiao [1 ]
Shi, Shaoqian [1 ]
机构：
[1] Jilin Univ, Sch Mat Sci & Engn, Roll Forging Res Inst, Key Lab Automobile Mat,Minist Educ, Changchun 130022, Peoples R China
[2] Jilin Univ, State Key Lab Automot Simulat & Control, Changchun 130022, Peoples R China
[3] Tongji Univ, Coll Civil Engn, Shanghai 200092, Peoples R China
[4] Jilin Univ, Minist Educ, Key Lab Bion Engn, Changchun 130022, Jilin, Peoples R China
来源：
CONSTRUCTION AND BUILDING MATERIALS | 2020年 / 253卷
基金：
产业技术研究与开发资金项目; 国家重点研发计划; 美国国家科学基金会;
关键词：
Dactyl-inspired; Mechanical properties; Destruction mechanism; Carbon fiber; Honeycomb core; CRUSHING ANALYSIS; BEHAVIOR; ALUMINUM; COMPOSITES; MICROSTRUCTURE; PANELS; BEAMS;
D O I：
10.1016/j.conbuildmat.2020.119161
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
The periodic region of mantis shrimp's dactyl club, composed of the helicoidal arrangement of mineralized fiber, has excellent energy absorption and damage tolerance. This structure, inspired by the dactyl club, has been proved effective to improve the mechanical properties of composites. In this paper, a novel dactyl-inspired sandwich honeycomb (DSH) was fabricated with unidirectional carbon fiber and aluminum honeycomb based on the periodic region of the dactyl club. The DSH was compared with plain-woven skin sandwich-structural honeycomb (PSH) and unidirectional skin sandwich-structural honeycomb (USH) in tests of impact and bending. As a result, the average impact contact force of DSH was 3514.6 N, which was increased by 60.9% and 106.0% compared with PSH (2184.7 N) and USH (1705.8 N), respectively. The bending energy absorption of DSH was 29556.5 N.mm, which was increased by 278.3% and 115.4% compared with PSH (7812.2 N.mm) and USH (13719.6 N.mm), respectively. The results exhibited that the quasi-isotropic helicoidal arrangement of carbon fiber was an effective way to improve the impact resistance and bending energy absorption of DSH. (C) 2020 Elsevier Ltd. All rights reserved.
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页数：8
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