Surface energy and the contact of elastic solids

@article{Johnson1971SurfaceEA,
  title={Surface energy and the contact of elastic solids},
  author={K. Johnson and K. Kendall and A. Roberts},
  journal={Proceedings of the Royal Society of London. A. Mathematical and Physical Sciences},
  year={1971},
  volume={324},
  pages={301 - 313}
}
This paper discusses the influence of surface energy on the contact between elastic solids. Equations are derived for its effect upon the contact size and the force of adhesion between two lightly loaded spherical solid surfaces. The theory is supported by experiments carried out on the contact of rubber and gelatine spheres. 

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