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Adhesion of heterogeneous thin films II: Adhesive heterogeneity

Xia, S. M. and Ponson, L. and Ravichandran, G. and Bhattacharya, K. (2015) Adhesion of heterogeneous thin films II: Adhesive heterogeneity. Journal of the Mechanics and Physics of Solids, 83 . pp. 88-103. ISSN 0022-5096. doi:10.1016/j.jmps.2015.06.010.

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This paper continues the study of the effective adhesion of thin films on rigid substrates in the presence of spatial heterogeneities started in Xia et al. (2013). In this paper, we focus on thin adhesive tape with spatial heterogeneity in the adhesive strength. This heterogeneity leads to a wavy peel front and consequently a complex corrugated shape in the tape. We develop a theory for the evolution of the peel front that accounts for this complex interaction, and an experimental method that is able to examine this in detail. We show through theory and experimentation that spatial patterning of the adhesive strength can lead to a very rich range of behaviors in the effective adhesive strength. In particular we show that adhesive heterogeneity can be used to create asymmetry in that the force required to peel the tape in one direction can be different from that in the other.

Item Type:Article
Related URLs:
URLURL TypeDescription
Ravichandran, G.0000-0002-2912-0001
Bhattacharya, K.0000-0003-2908-5469
Additional Information:© 2015 Elsevier Ltd. Received 3 September 2014, Revised 17 April 2015, Accepted 13 June 2015, Available online 20 June 2015. Much of this work was carried out while S.X. and L.P. held positions at the California Institute of Technology. We gratefully acknowledge the financial support of the US National Science Foundation (through DMR-0520565 (all authors) and CMMI-1201102 (G.R. and K.B.)), the 'PhyCrack' Marie Curie Outgoing Fellowship No. 220494 and the 'ToughBridge' Marie Curie Integration Grant No. 294025 from the European Union (L.P.).
Funding AgencyGrant Number
Marie Curie220494
European Union Marie Curie Integration Grant "ToughBridge"294025
Subject Keywords:Adhesion; Heterogeneity; Directionality; Thin films; Fracture
Record Number:CaltechAUTHORS:20151030-095316823
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Official Citation:S.M. Xia, L. Ponson, G. Ravichandran, K. Bhattacharya, Adhesion of heterogeneous thin films II: Adhesive heterogeneity, Journal of the Mechanics and Physics of Solids, Volume 83, October 2015, Pages 88-103, ISSN 0022-5096, (
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:61735
Deposited On:30 Oct 2015 23:57
Last Modified:10 Nov 2021 22:53

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