Abstract
In modern scratch testing, efforts are made to improve the quality of quantitative measurement of the coating adhesion. This paper proposes a new method for analyzing data collected in scratch tests. The nonlinear analysis methods of both penetration depth and tangential force time series were combined with SEM/FIB cross-sectional studies to monitor the progression of coating failure in a model titanium nitride coated stainless steel system. The applicability of recurrence quantification analysis and diagonal cross-recurrence analysis in scratch testing were discussed.
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