Abstract

In this study, 3.5 μm thick TiAlN, AlTiN, and AlCrN multilayer coatings were deposited on the H13 steel surface by physical vapor deposition (PVD) method. Friction behavior of these coatings was investigated by friction force microscopy for the first time at nanoscale in the literature. Friction force measurements were performed with the atomic force microscopy lateral force mode at various loads. Results showed that the AlTiN coating had three times lower COF value than the TiAlN and AlCrN coatings due to the lower surface energy. It was observed in this study that Amonton’s law was valid for the COF evolution at the nanoscale.

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