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Longitudinal Stress (S11) map for scratch test at 5 N. a) First scratch, b) third scratch, c) fifth scratch

Longitudinal Stress (S11) map for scratch test at 5 N. a) First scratch, b) third scratch, c) fifth scratch

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Some methods of evaluation of mechanical properties have been used for the determination of properties in coated systems. These methods include the indentation test as well as the scratch test, which is equally easy to perform and regularly does not require special preparation of the test bodies. The scratch test has been carried out experimentally...

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Context 1
... comparing figure 5 and figure 7 it is possible to observe that with the increase of the normal load the width of the groove in each of the lines is increased. It is also possible to observe the same behavior described in figure 5, in which during the first scratching the highest stress value in the rear region was reached on contact with the indenter. ...