Describes the high lubricity and screening effect of cholesteric liquid-crystalline nanomaterials and their role in decreasing friction and wear of surfaces Covers diagnostics of cholesteric liquid-crystal nanomaterials in oil mediums Provides effective methods and devices for precision measurements of lubricity and frictional interaction of rubbing surfaces Summarizes tribological approaches in the field of lubricity mechanisms of different antifrictional and antiwear additives for lubricantsweiterlesen