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Peeling of elastic tapes: effects of large deformations, pre-straining, and of a peel-zone model

Molinari, Alain and Ravichandran, Guruswami (2008) Peeling of elastic tapes: effects of large deformations, pre-straining, and of a peel-zone model. Journal of Adhesian, 84 (12). pp. 961-995. ISSN 1545-5823. doi:10.1080/00218460802576995.

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A peel model for nan-linear elastic tapes is presented which accounts for large deformations and for pre-straining. The large deformation setting is a new feature of modelling, which would be of interest for applications related to soft polymers and tissues. The conditions for having quasistatic-steady debonding or dynamic catastrophic debonding are determined in terms of the loading variables (peel angle and peeling force). The decohesion energy associated with a given process-zone model is included in the formulation of the peeling model. The predictions of various decohesion laws are discussed with respect to experimental results in the literature. Finally, the adhesion of a gecko is analysed and the maximum adhesion force of a single spatula is evaluated. The result correlates well with the maximum experimental pulling force reported in the literature for a gecko's seta.

Item Type:Article
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Ravichandran, Guruswami0000-0002-2912-0001
Additional Information:©2008 Taylor & Francis Group. Received 2 June 2008; in final form 22 September 2008. GR gratefully acknowledges the support provided by the National Science Foundation (DMR #0520565) through the Center for Science and Engineering of Materials (CSEM) at the California Institute of Technology. We thank Christopher Kovalchick for obtaining the mechanical characteristics of the 3M multitask Scotch tape.
Funding AgencyGrant Number
NSFDMR #0520565
Subject Keywords:Gecko adhesion; Large deformation; Non-linear elasticity; Peel test; Peel-zone model; Pre-strain
Issue or Number:12
Record Number:CaltechAUTHORS:MOLja08
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:13456
Deposited On:22 Apr 2009 22:02
Last Modified:08 Nov 2021 22:38

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