Effective Wear Resistance Parameters of Ion-Plasma Tribological Coatings

Abstract:

Comparative studies of wear resistance during dry friction of vacuum ion-plasma coatings of nitride systems TiAlN and CrAlSiN are carried out. The structural parameters, coating thickness, and physical and mechanical properties were chosen as comparison parameters. A fundamental difference in the wear mechanisms of the coatings is demonstrated. In the TiAlN-system coatings develop an oxidative wear mechanism due to their insufficient heat resistance. The CrAlSiN-system coatings have maximum resistance to plastic deformation. And they are wear out according to the fatigue mechanism, which is typical for coatings with a high level of mechanical properties.

• Periodical: Defect and Diffusion Forum (Volume 410)
• Pages: 444-449
• DOI: https://doi.org/10.4028/www.scientific.net/DDF.410.444
• Online since: August 2021
• Authors: Oleg V. Kudryakov*, Valery N. Varavka, Dmitriy S. Manturov
• Keywords: Electron Microscopy, Friction Wear Mechanisms, Indentation, Mechanical Properties, Microstructure, PVD Coatings, Tribological Tests, X-Ray Photoelectron Spectroscopy

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