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- nein (2)
The addition of WC and TiC in a nickel bonded NbC cermet was investigated regarding the tribological behavior under dry oscillating sliding at different relative humidities φ and the cutting performance in dry cylindrical turning of C45E at different cutting speeds. NbC-12Ni-12WC-14TiC shows similar coefficient of friction f and wear rate compared to NbC-12Ni at φ = 2 %, but no pronounced decrease in f with increasing humidity. When turning C45E, NbC-12Ni-12WC-14TiC shows lower material removal VW compared to other NbC-based cermets, which can be attributed to inhomogeneities in the cutting material and a low hardness.