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

M. Braic, V. Braic, M. Balaceanu, A. Vladescu, C. N. Zoita, C. P. Lungu, C. E.A. Grigorescu, E. Grigore, C. Logoftu

Research output: Contribution to journalArticle

8 Citations (Scopus)

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 languageEnglish
JournalSurface and Coatings Technology
Volume205
Issue numberSUPPL. 2
DOIs
Publication statusPublished - 25 Jul 2011
Externally publishedYes

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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    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