(Ti,Cr,Nb)CN coatings deposited on nitrided high-speed steel by cathodic arc method

Abstract

The combined processes of plasma nitriding and cathodic arc deposition of (Ti,Cr,Nb)CN coatings were applied to HSS substrates. The nitrided layers, obtained in a mixture of H₂ (70%) and N₂ (30%) at two different temperatures (480°C and 510°C), were examined for the microhardness depth profiles. Characterization of the duplex coatings was performed by investigating elemental and phase composition, texture, hardness, friction and wear. XRD and XPS analyses revealed the formation of a mixture of a carbonitride fcc solid solution, in a dominant proportion, and metallic chromium. The film hardness was measured to be ~34GPa. The duplex (Ti,Cr,Nb)CN coatings exhibited superior tribological behavior as compared to both nitrided layers and non-duplex coatings.

Original language	English
Journal	Surface and Coatings Technology
Volume	205
Issue number	SUPPL. 2
DOIs	https://doi.org/10.1016/j.surfcoat.2011.03.030
Publication status	Published - 25 Jul 2011
Externally published	Yes

Keywords

(Ti,Cr,Nb)CN thin films
Duplex treatment
Microstructural and mechanical properties
Wear resistance

ASJC Scopus subject areas

Chemistry(all)
Condensed Matter Physics
Surfaces and Interfaces
Surfaces, Coatings and Films
Materials Chemistry

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10.1016/j.surfcoat.2011.03.030

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Braic, M., Braic, V., Balaceanu, M., Vladescu, A., Zoita, C. N., Lungu, C. P., Grigorescu, C. E. A., Grigore, E., & Logoftu, C. (2011). (Ti,Cr,Nb)CN coatings deposited on nitrided high-speed steel by cathodic arc method. Surface and Coatings Technology, 205(SUPPL. 2). https://doi.org/10.1016/j.surfcoat.2011.03.030

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title = "(Ti,Cr,Nb)CN coatings deposited on nitrided high-speed steel by cathodic arc method",

abstract = "The combined processes of plasma nitriding and cathodic arc deposition of (Ti,Cr,Nb)CN coatings were applied to HSS substrates. The nitrided layers, obtained in a mixture of H2 (70%) and N2 (30%) at two different temperatures (480°C and 510°C), were examined for the microhardness depth profiles. Characterization of the duplex coatings was performed by investigating elemental and phase composition, texture, hardness, friction and wear. XRD and XPS analyses revealed the formation of a mixture of a carbonitride fcc solid solution, in a dominant proportion, and metallic chromium. The film hardness was measured to be ~34GPa. The duplex (Ti,Cr,Nb)CN coatings exhibited superior tribological behavior as compared to both nitrided layers and non-duplex coatings.",

keywords = "(Ti,Cr,Nb)CN thin films, Duplex treatment, Microstructural and mechanical properties, Wear resistance",

author = "M. Braic and V. Braic and M. Balaceanu and A. Vladescu and Zoita, {C. N.} and Lungu, {C. P.} and Grigorescu, {C. E.A.} and E. Grigore and C. Logoftu",

year = "2011",

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doi = "10.1016/j.surfcoat.2011.03.030",

language = "English",

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journal = "Surface and Coatings Technology",

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AU - Braic, M.

AU - Braic, V.

AU - Balaceanu, M.

AU - Vladescu, A.

AU - Zoita, C. N.

AU - Lungu, C. P.

AU - Grigorescu, C. E.A.

AU - Grigore, E.

AU - Logoftu, C.

PY - 2011/7/25

Y1 - 2011/7/25

N2 - The combined processes of plasma nitriding and cathodic arc deposition of (Ti,Cr,Nb)CN coatings were applied to HSS substrates. The nitrided layers, obtained in a mixture of H2 (70%) and N2 (30%) at two different temperatures (480°C and 510°C), were examined for the microhardness depth profiles. Characterization of the duplex coatings was performed by investigating elemental and phase composition, texture, hardness, friction and wear. XRD and XPS analyses revealed the formation of a mixture of a carbonitride fcc solid solution, in a dominant proportion, and metallic chromium. The film hardness was measured to be ~34GPa. The duplex (Ti,Cr,Nb)CN coatings exhibited superior tribological behavior as compared to both nitrided layers and non-duplex coatings.

AB - The combined processes of plasma nitriding and cathodic arc deposition of (Ti,Cr,Nb)CN coatings were applied to HSS substrates. The nitrided layers, obtained in a mixture of H2 (70%) and N2 (30%) at two different temperatures (480°C and 510°C), were examined for the microhardness depth profiles. Characterization of the duplex coatings was performed by investigating elemental and phase composition, texture, hardness, friction and wear. XRD and XPS analyses revealed the formation of a mixture of a carbonitride fcc solid solution, in a dominant proportion, and metallic chromium. The film hardness was measured to be ~34GPa. The duplex (Ti,Cr,Nb)CN coatings exhibited superior tribological behavior as compared to both nitrided layers and non-duplex coatings.

KW - (Ti,Cr,Nb)CN thin films

KW - Duplex treatment

KW - Microstructural and mechanical properties

KW - Wear resistance

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