Honeytubes: Hollow lattice truss reinforced honeycombs for crushing protection | |
Yin S; Li JN; Liu BH; Meng KP; Huan Y(郇勇); Nutt SR; Xu J; Xu, J (reprint author), Beihang Univ, Sch Transportat Sci & Engn, Dept Automot Engn, Beijing 100191, Peoples R China. | |
发表期刊 | COMPOSITE STRUCTURES |
2017 | |
卷号 | 160页码:1147-1154 |
ISSN | 0263-8223 |
摘要 | Lattice truss reinforced honeycombs (LTRHs), termed honeytubes, were developed based on a hybrid design of micro-lattice truss and square honeycomb topologies. Carbon fiber reinforced composite and polymer LTRHs were fabricated using different manufacturing approaches. Out-of-plane compression tests were performed on the LTRHs, and the properties were compared with the conventional square honeycombs. The stiffness and strength values of composite LTRHs didn't surpass those of composite square honeycombs due to the manually induced defects. On the other hand, polymeric LTRHs with perfect geometries were stiffer and stronger than the corresponding polymeric square honeycombs. A parametric study of the buckling resistance was carried out via finite element analysis, and the results indicated that hollow lattice stiffens honeycombs and increases the resistance to buckling, while the specific properties of honeytubes depend on their geometrical parameters. Moreover, the crush force efficiency and specific energy absorption were greater than those of square honeycombs and hollow lattice. This work demonstrates that hybrid designs that capitalize on micro-topologies can populate vacant regions in mechanical property charts, and provide increased energy absorption as crushing protection structures. (C) 2016 Elsevier Ltd. All rights reserved. |
关键词 | Honeycombs Lattice Structure Composites 3d Printing Crashworthiness |
DOI | 10.1016/j.compstruct.2016.11.007 |
URL | 查看原文 |
收录类别 | SCI ; EI |
语种 | 英语 |
WOS记录号 | WOS:000390470300097 |
关键词[WOS] | Honeycombs ; Lattice structure ; Composites ; 3D printing ; Crashworthiness |
WOS研究方向 | Materials Science |
WOS类目 | Materials Science, Composites |
项目资助者 | National Natural Science Foundation of China [11402012, 11372323] ; Fundamental Research Funds for the Central Universities |
论文分区 | 二类 |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://dspace.imech.ac.cn/handle/311007/59970 |
专题 | 非线性力学国家重点实验室 |
通讯作者 | Xu, J (reprint author), Beihang Univ, Sch Transportat Sci & Engn, Dept Automot Engn, Beijing 100191, Peoples R China. |
推荐引用方式 GB/T 7714 | Yin S,Li JN,Liu BH,et al. Honeytubes: Hollow lattice truss reinforced honeycombs for crushing protection[J]. COMPOSITE STRUCTURES,2017,160:1147-1154. |
APA | Yin S.,Li JN.,Liu BH.,Meng KP.,Huan Y.,...&Xu, J .(2017).Honeytubes: Hollow lattice truss reinforced honeycombs for crushing protection.COMPOSITE STRUCTURES,160,1147-1154. |
MLA | Yin S,et al."Honeytubes: Hollow lattice truss reinforced honeycombs for crushing protection".COMPOSITE STRUCTURES 160(2017):1147-1154. |
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