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Erschienen in:
1989 | OriginalPaper | Buchkapitel
Application of Impact Adhesion Theory to Particle Kinetic Energy Loss Measurements
verfasst von : Stephen Wall, Walter John, Simon L. Goren
Erschienen in: Particles on Surfaces 2
Verlag: Springer US
Enthalten in: Professional Book Archive
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Although a number of models have been proposed to describe the adhesion of particles to surfaces, most theories are restricted to the case of the removal of precollected particles from a surface. This provides an estimate only of adhesion surface energy between the particle and substrate. In the dynamic case of an impact, it is necessary to consider the adhesion surface energy and the loss of impact kinetic energy as well as the interaction between the two mechanisms. Data from laser-Doppler measurements of kinetic energy loss were used to evaluate the few available impact-adhesion models from low impact velocities, where the major influence of adhesion surface energy is expected, up to high velocities, where plastic deformation dominates the impact.