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Intermolecular and Surface Forces, 3rd Edition
book

Intermolecular and Surface Forces, 3rd Edition

by Jacob N. Israelachvili
December 2010
Intermediate to advanced content levelIntermediate to advanced
710 pages
23h 35m
English
Academic Press
Content preview from Intermolecular and Surface Forces, 3rd Edition

17 Adhesion and Wetting Phenomena

17.1 Surface and Interfacial Energies

In Part I we saw how various interaction potentials between molecules arise, and we considered the implications of the energy minimum, or the “adhesion” energy, of molecules in contact. Here we shall look at phenomena involving particles and extended surfaces in adhesive contact, and it is best to begin by defining some commonly used terms and deriving some useful thermodynamic relations.

Work of adhesion and cohesion in a vacuum. These are the free energy changes, or reversible work done, to separate unit areas of two surfaces or media from contact to infinity in a vacuum (Figure 17.1a, b). For two different media (1 ≠ 2), this energy is referred to as the work of adhesion ...

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Publisher Resources

ISBN: 9780123751829