Page 183 - Handbook of Surface Improvement and Modification
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178                                                The Coefficient of Friction





























































            Figure 11.19. Schematic representation of the friction test set-ups. [Adapted, by permission, from Sachs, U;
            Akkerman, R; Fetfatsidis, K; Vidal-Salle, E; Schumacher, J; Ziegmann, G; Allaoui, S; Hivet, G; Maron, B;
            Vanclooster, K; Lomov, SV, Composites: Part A, 67, 289-98, 2014.]
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            This was attributed to edge effects and the size of the friction surface.  Larger friction
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            surfaces reduce the influence of edge effects.  Attention should be paid to a uniform pres-
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