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Volume 39, No 2, 2017, Pages 228–237


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Tribological studies on copper-based friction linings

Authors:

M. Kandeva*, D. Karastoyanov, G. Nikolcheva, B. Stojanovic, P. Svoboda, A. Vencl

DOI: 10.24874/ti.2017.39.02.10

Abstract:

The objects of this work were nine different copper-based friction linings produced from powder by pressing and sintering. Six copper-based friction linings contained 3 wt.% zinc (Zn) and variable content of tin (Sn), i.e. 1, 2, 4, 6, 8 and 10 wt. %. Three copper-based friction linings were with fixed contents of Zn (3 wt.%) and Sn (10 wt.%), and with different amount of SiC particles, i.e. 2, 4 and 6 wt.%. Tribological studies on these friction linings included determination of the static and kinetic coefficient of friction under different normal loads and unlubricated sliding conditions, as well as, determination of the abrasive wear resistance under different normal loads and unlubricated sliding/rolling conditions. The analysed results present the influence of Sn content and addition of SiC particles to the copper-based friction lining on its friction and wear properties.

Keywords:

Friction couplings, Copper, Tin, Silicon carbide, Friction, Abrasive wear



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