2 Devulcanized Rubber Based Composite Design Reinforced with Nano. . . 17 Fig. 2.4 Micro scratch test results carried out on the three compositions (a) CJ I (b)CJ II (c) CJ III, respectively Fig. 2.5 FEM results according to maximum force approach (a) Displacement contour (b) Stress contour According to Table 2.8, FEM gives coherent results for the stress values even if minor errors were observed. On the other hand, for the displacement, FEM does not give quite consistent results. After conducting second approach, all of the results are illustrated together in Fig. 2.6.
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