Werkstück mit einer tribologisch beanspruchbaren Fläche und Verfahren zur Herstellung einer solchen Fläche

摘要

The cylinder (5) for a piston (12) has recesses (6) in its inner surface which become filled with lubricant and improve lubrication. The recesses have an elongated shape, with parallel sides, or a triangular or diamond shape. An Independent claim is included for a method for treating the surface to produce the recesses.