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Adhesive contact between dissimilar cylinders subject to a temperature difference.pdf
International Journal of Solids and Structures 90 (2016) 22–29
Contents lists available at ScienceDirect
International Journal of Solids and Structures
journal homepage: /locate/ijsolstr
Adhesive contact between dissimilar cylinders subject to a temperature difference
Xiang-Long Peng, Gan-Yun Huang?
Department of Mechanics, School of Mechanical Engineering, Tianjin University, Tianjin 300072, PR China
article info
Article history: Received 16 October 2015 Revised 3 March 2016 Available online 14 April 2016
Keywords: Adhesive contact Temperature difference Pull-off force Contact size
abstract
In the present work, the adhesive contact between elastic cylinders subject to a temperature difference under a speci?ed applied force is studied. By adopting the concept that the contact size is governed by the balance between the energy release rate and the equivalent work of adhesion, the explicit expression for the applied force with respect to the contact half-width is derived analytically. The pull-off force and the contact half-width at zero applied force as functions of the temperature difference are obtained. The effect of the thermoelastic properties is accounted. Numerical results indicate that both the normal and the tangential thermoelastic effects in?uence the contact behaviors signi?cantly. The present results may cast light on the evaluation and improvement of some thermal bonding technologies.
? 2016 Elsevier Ltd. All rights reserved.
1. Introduction
The contact between objects with temperature difference may occur not only in our daily life but also in many engineering technologies. The typical examples for the former are hot coffee cups on tables and snow deposition. For the latter, the common examples are the various thermal bonding technologies including the laser beam welding (e.g., Kim and Jang, 2005), the Joule heat welding (e.g., Tohmyoh, 2013) and the cold spraying (e.g., Legoux et al., 2007; Watanabe et al., 2015). Although in many circumstances the co
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