In this paper, a simple cutting method is used to examine the changes in wear resistance of four thermally sprayed coatings, two yttrium stabilized zirconia, and two aluminum oxides using a heat treatment. These changes were correlated with the changes in the microstructure of the application layers, which were characterized using intrusion porosimetry, scanning electron microscopy, and small-angle neutron scattering. Analysis of the results shows that changes in wear resistance are believed to have been caused by changes in the shape and surface area of the voids caused by sintering as well as crystallographic phase changes. Paper includes a German-language abstract.

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