IMECH-IR  > 非线性力学国家重点实验室
Peeling behavior of a bio-inspired nano-film on a substrate
Peng ZL(彭志龙); Chen SH(陈少华); Soh AK; Chen SH
Source PublicationInternational Journal of Solids and Structures
2010
Volume47Issue:14-15Pages:1952-1960
ISSN0020-7683
AbstractA peeling model is proposed to analyze the peeling properties of bio-mimetic nano-films using the finite element method (FEM) and theoretical approach. The influences of the nano-film's adhesion length, thickness, elastic modulus, roughness and peeling angle on the peeling force were considered as well as the effect of the viscoelastic behavior. It has been found that the effective adhesion length, at which the peeling force attained maximum, was much smaller than the real length of nano-films; and the shear force dominated in the case of smaller peeling angles, whereas, the normal force dominated at larger peeling angles. The total peeling force decreased with an increasing peeling angle. Two limiting values of the peeling-off force can be found in the viscoelastic model, which corresponds to the smaller and larger loading rate cases. The effects of nano-film thickness and Young's modulus on peeling behaviors were also discussed. The results obtained are helpful for understanding the micro-adhesion mechanisms of biological systems, such as geckos. (C) 2010 Elsevier Ltd. All rights reserved.
DOI10.1016/j.ijsolstr.2010.03.035
URL查看原文
Indexed BySCI
Language英语
WOS IDWOS:000278280900019
WOS KeywordDEPENDENT ADHESION STRENGTH ; GECKO FOOT-HAIR ; REVERSIBLE ADHESION ; BIOLOGICAL-SYSTEMS ; SURFACE-ROUGHNESS ; ELASTIC SOLIDS ; CRACK-GROWTH ; ZONE MODEL ; MECHANICS ; FRACTURE
WOS Research AreaMechanics
WOS SubjectMechanics
Funding OrganizationNSFC [10972220, 10732050, 10721202] ; CAS [KJCX2-YW-M04]
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Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/43509
Collection非线性力学国家重点实验室
Corresponding AuthorChen SH
Recommended Citation
GB/T 7714
Peng ZL,Chen SH,Soh AK,et al. Peeling behavior of a bio-inspired nano-film on a substrate[J]. International Journal of Solids and Structures,2010,47(14-15):1952-1960.
APA 彭志龙,陈少华,Soh AK,&Chen SH.(2010).Peeling behavior of a bio-inspired nano-film on a substrate.International Journal of Solids and Structures,47(14-15),1952-1960.
MLA 彭志龙,et al."Peeling behavior of a bio-inspired nano-film on a substrate".International Journal of Solids and Structures 47.14-15(2010):1952-1960.
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