Abstract

This paper aims to evaluate various measurement methods that characterize the elastic layer behavior. The use of thermally sprayed multilayer composite materials for mechanically and/or thermally highly stressed components has proven itself in a wide variety of areas of modern mechanical and plant engineering. The mechanical operating behavior of layered composite materials is determined by the interplay of residual stresses and load stresses as well as the existing bond strength. The determination of the Young's modulus in thermally sprayed coatings is, however, a difficult task because of the limited coating thickness, their brittleness and the very inhomogeneous microstructure consisting of nonequilibrium phases, oxidation products, cracks, and pores. Two different investigations routines were performed, first the investigation of the influence of the indentation load on the determined Young's modulus and second the influence of the analysis program. Paper includes a German-language abstract.

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