Non-slipping adhesive contact between mismatched elastic cylinders

[摘要] We have recently proposed a generalized JKR model for non-slipping adhesive contact between two elastic spheres subjected to a pair of pulling forces and a mismatch strain (Chen, S., Gao, H., 2006c. Non-slipping adhesive contact between mismatched elastic spheres: a model of adhesion mediated deformation sensor. J. Mech. Phys. Solids 54, 1548-1567). Here we extend this model to adhesion between two mismatched elastic cylinders. The attention is focused on how the mismatch strain affects the contact area and the pull-off force. It is found that there exists a critical mismatch strain at which the contact spontaneously dissociates. The analysis suggests possible mechanisms by which mechanical deformation can affect binding between cells and molecules in biology. (c) 2006 Elsevier Ltd. All rights reserved.

[发布日期] 2007-03-15

[效力级别]  Proceedings Paper

[关键词] adhesion;contact;deformation;JKR model;biological materials