The wear rates established up to 800°C and 7,5 m/s qualify the new and non-commercial available metallurgical concepts (Ti,Mo)(C,N) and Tin-2Cr2O2n-1 qualify both metallurgical concepts for radial and axial air foil bearings in small jet turbines, APUs and turbochargers, but are not limited to these, as well as the values of wear rates are comparable to those typically attributed under mixed/boundary lubrication of liquid lubricated tribosystems. The selection between (Ti,Mo)(C,N) and Tin-2Cr2O2n-1 under tribological considerations depends from the operating conditions and thermal cycles of the regarded foil bearing.

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