IMECH-IR  > 非线性力学国家重点实验室
Honeytubes: Hollow lattice truss reinforced honeycombs for crushing protection
Yin S; Li JN; Liu BH; Meng KP; Xun 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.
Source PublicationCOMPOSITE STRUCTURES
2017
Volume160Pages:1147-1154
ISSN0263-8223
AbstractLattice 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.
KeywordHoneycombs Lattice Structure Composites 3d Printing Crashworthiness
DOI10.1016/j.compstruct.2016.11.007
URL查看原文
Indexed BySCI ; EI
Language英语
WOS IDWOS:000390470300097
WOS KeywordHoneycombs ; Lattice structure ; Composites ; 3D printing ; Crashworthiness
WOS Research AreaMaterials Science
WOS SubjectMaterials Science, Composites
Funding OrganizationNational Natural Science Foundation of China [11402012, 11372323] ; Fundamental Research Funds for the Central Universities ; "Zhuoyue 100" titled professor, Beihang University ; Opening fund of State Key Laboratory for Strength and Vibration of Mechanical Structures, Xi'an Jiaotong University ; Beihang University
DepartmentLNM实验平台
Classification二类
Ranking5
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Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/59970
Collection非线性力学国家重点实验室
Corresponding AuthorXu, J (reprint author), Beihang Univ, Sch Transportat Sci & Engn, Dept Automot Engn, Beijing 100191, Peoples R China.
Recommended Citation
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.,郇勇.,...&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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