Abstract
The present study investigated tribological properties of multilayer TiAlN and nanocomposite (nc-Ti1-xAlxN)/a-Si3N4) coatings. Tested coatings were deposited by two PVD methods on the high speed steel Bohler S 600 Isorapid substrate. The coatings demonstrated good adhesion to the substrate and high hardness (2090 - 2510 HV0.5). Tribological properties of the coated specimens were evaluated by the Ball-on-Disc test and by metallographical analysis of the tribological track after testing at room temperature and at 450°C. The specimens with multilayer TiAlN coatings showed slightly better tribological properties, as regards the course of friction coefficient. Although the values of friction coefficient of multilayer coatings were comparable to the values determined for nanocomposite, the course of friction coefficient and analysis of tribo-tracks showed that the failure of the multilayer TiAlN coating was less pronounced compared to the nanocomposite coating.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
