Tribological exams had been completed utilizing a ball-on-disc T-11 tester. The balls have been made from steel, whereas the discs were manufactured from steel, aluminium oxide, zirconium oxide, polyamide and poly(methyl methacrylate). The description with the machine and also the approaches has actually been supplied inside the literature (Szczerek and https://garrettzobqw.canariblogs.com/indicators-on-sodium-dodecyl-sulfate-you-should-know-47099423