TY JOUR TI Effect of copper nanoclusters on the tribological properties of steel-steel friction pair in alcohol aqueous solutions KW copper nanoclusters KW wearlessness KW friction ratio KW wear rate KW atomic force microscopy. JO Vestnik of Don State Technical University AU Kosogova, Y.. AU Burlakova , V.. AU Drogan , E.. PY 2015 IS 15 PB Don state technical University