Tribological properties of CrNx coatings

• Autorzy: Warcholinski B. , Gilewicz A.
• Języki publikacji: EN

Abstrakty

EN

Purpose: The purpose of this work is the characterization of the tribological properties thin Cr-N coatings, both monolayer Cr2N, CrN coatings and multilayer Cr/CrN, Cr2N/CrN coatings, deposited by cathodic arc physical vapour deposition (CAPVD). Design/methodology/approach: The deposition parameters of Cr2N and CrN were determined. Structure of the coatings were investigated using the scanning electron microscopy (SEM). The XRD examination was carried out to specify the phase structure, EDS to define the chemical composition of the coatings. The investigation includes also microhardness, roughness tests, adhesion, friction coefficient and wear rate. Findings: Basing on the scratch test it was shown that the influence of the architecture on the coating’ adhesion is dominant. It was found that the all tested coatings show high critical load Lc2 >70 N. The multilayer coatings show higher critical load when compared to monolayer coatings. Research limitations/implications: The main limitation of this work is linked to the deposition technique itself.It is difficult to avoid surface defects and pinholes that strongly influence the tribological results. Practical implications: Chromium based coatings present good mechanical properties which allow them to be used in several applications; from decorative to protective coatings. Originality/value: The comparison of adhesion and wear resistance of mono- and multilayer coatings based on chromium. The deposition technology enable to obtain the coatings with high adhesion to the substrate. This may be important to advanced coatings industry.

Słowa kluczowe

EN

tool material; mechanical properties; wear resistance; PVD; scratch test; tribological test

PL

materiał narzędziowy; właściwości mechaniczne; odporność na ścieranie; PVD; test na zarysowanie; test trybologiczny

• Wydawca: International OCSCO World Press
• Czasopismo: Journal of Achievements in Materials and Manufacturing Engineering
• Rocznik: 2009
• Tom: Vol. 37, nr 2
• Strony: 498--504
• Opis fizyczny: Bibliogr. 25 poz., rys., tabl.

Twórcy

autor

Warcholinski B.

autor

Gilewicz A.

• Institute of Mechatronics, Nanotechnology and Vacuum Technique, Koszalin University of Technology, ul. Raclawicka 15-17, 75-620 Koszalin, Poland,

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