Adhesion Analysis Considering Surface Energy and Surface Stresses

Abstract:

A new formulation for an adhesive force between a substrate and an indenter is presented. The boundary condition taking into account surface stresses is used for the present analysis. The surface stress is originated from surface energy. A paraboloidal indenter is pressed to the substrate, and then adhesion occurs between both surfaces. Surface energy and surface stress will vary at the adhesion surface, and then the surfaces deform in a concave way. An attractive force occurs to keep the contact of two adhesion surfaces. In the present paper, an effect of surface stress on the adhesive force will be clarified.

• Periodical: Key Engineering Materials (Volumes 297-300)
• Pages: 1736-1741
• DOI: https://doi.org/10.4028/www.scientific.net/KEM.297-300.1736
• Online since: November 2005
• Authors: Hideo Koguchi
• Keywords: Adhesion, Elasticity, JKR Theory, Surface Energy, Surface Stress

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DOI: 10.1201/9781420050493-16

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