Chapter 2

Surface Tension and Its Measurement

Adhesion is a phenomenon that takes place at the interfaces of adherends and adhesives. An understanding of the forces that develop at the interfaces is essential in the selection of the right adhesive, proper surface treatment of adherends, and effective and economical processes to form bonds. This chapter is devoted to the discussion of the thermodynamic principles and the work of adhesion that quantitatively characterize surfaces of materials.

Keywords

Surface tension; interface; surface free energy; adhesion; measurement

2.1 Introduction

Adhesion is a phenomenon that takes place at the interfaces of adherends and adhesives. An understanding of the forces that develop at the interfaces is essential ...

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