Tribological assessments have been carried out using a ball-on-disc T-eleven tester. The balls ended up made of steel, Whilst the discs have been product of metal, aluminium oxide, zirconium oxide, polyamide and poly(methyl methacrylate). The outline with the system along with the strategies is provided inside the literature (Szczerek and https://hugol047ahm9.blog-gold.com/profile