Figure 4. Variation of traction force vs stroke length for different coating thicknesses and carbon contents of the substrate.

From

Influence of Substrate of the Carbon Contents and Coating Thickness on Scratch and Wear Resistance of AlCrN Films

Chandrashekhar Ambiger, V. R. Kabadi, N. Gupta, K. G. Ambli, Rajesh Bhide

Materials Science and Metallurgy Engineering. 2016, 3(1), 1-7 doi:10.12691/msme-3-1-1