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The microstructure morphology on ant footpads and its effect on ant adhesion
Peng ZL(彭志龙); Wang C(王琮); Chen SH(陈少华); Chen, SH (reprint author), Chinese Acad Sci, Inst Mech, LNM, Beijing 100190, Peoples R China.
Source PublicationACTA MECHANICA
2016
Volume227Issue:7Pages:2025-2037
ISSN0001-5970
AbstractAnts show a bionic application prospect due to their special climbing ability. However, different ant species living in different environments exhibit different adhesion abilities. In order to reveal their mechanical mechanisms, footpads of four representative ant species are investigated experimentally. Regular microstructures on the ventral side of ant footpads are clearly observed, which possess different shapes and sizes for different ant species. The normal adhesion force for each kind of ant is further measured with a spinning technique, which is significantly affected by the microstructure on the ventral surface of ant footpads. Theoretical models are established in order to disclose the mechanical mechanism, in which both the capillary force and the van der Waals interaction are considered. It is found that the real contact area depends significantly on the microstructures on the ventral side, which further affects the total adhesion force. The coexistence mechanism of wet and dry adhesion for ant footpads is proposed. The finding in the present paper should be useful for deep understanding of the adhesion mechanism of different ant species and helpful for the design of bio-inspired intelligent adhesion surfaces.
DOI10.1007/s00707-016-1612-7
URL查看原文
Indexed BySCI ; EI
Language英语
WOS IDWOS:000378775700016
WOS Research AreaMechanics
WOS SubjectMechanics
Funding OrganizationThe work reported here was supported by NSFC through Grants #11302228, #11372317, #11532013 and the 973 Nano-project (2012CB937500).
DepartmentLNM仿生材料与固体的微尺度力学
Classification二类
RankingTrue
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/59511
Collection非线性力学国家重点实验室
Corresponding AuthorChen, SH (reprint author), Chinese Acad Sci, Inst Mech, LNM, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
Peng ZL,Wang C,Chen SH,et al. The microstructure morphology on ant footpads and its effect on ant adhesion[J]. ACTA MECHANICA,2016,227(7):2025-2037
APA 彭志龙,王琮,陈少华,&Chen, SH .(2016).The microstructure morphology on ant footpads and its effect on ant adhesion.ACTA MECHANICA,227(7),2025-2037.
MLA 彭志龙,et al."The microstructure morphology on ant footpads and its effect on ant adhesion".ACTA MECHANICA 227.7(2016):2025-2037.
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