TRIBOLOGICAL PROPERTIES OF AL2O3-ZrO2 COMPOSITE COATING BY LUBRICATION
Tribological investigations had been carried out on the plasma coating (Al2O3+ ZrO2) below dry and moist abrasion stipulations according to ASTM G134.Commercial motor oil 20W40 was used as a lubricant.At a rotational speed of 200 rpm, all experiments were carried out with ordinary loads of 10, 15 and 20 Nm.Electron microscopy for scanning and AFM w