The Study of Friction and Wear Capability of Piston Ring Coatings

摘要

The friction and wear capabilities of four coatings piston ring which Chromium, PVD, PCVD and GDC were studied with simulated way. The results indicate that GDC coating shows the minimum wear rate and the lowest friction coefficient, while the Chromium coating shows the worst friction and wear capability. The wear rate of GDC ring is only 15% of Chromium ring.