Tribological exams were carried out employing a ball-on-disc T-11 tester. The balls ended up crafted from steel, Whilst the discs have been made from metal, aluminium oxide, zirconium oxide, polyamide and poly(methyl methacrylate). The outline with the unit along with the solutions is specified while in the literature (Szczerek and Tuszy?ski in Tri… Read More