Nanostructured multi-element (TiZrNbHfTa)N and (TiZrNbHfTa)C hard coatings

V. Braic, Alina Vladescu, M. Balaceanu, C. R. Luculescu, M. Braic

Research output: Contribution to journalArticle

59 Citations (Scopus)

Abstract

Multi-element (TiZrNbHfTa)N and (TiZrNbHfTa)C coatings were deposited on C45 and M2 steel substrates by co-sputtering of pure metallic Ti, Zr, Nb, Hf and Ta targets in Ar+N 2 and Ar+CH 4 reactive atmospheres, respectively. TiN, TiC and TiZrNbHfTa metallic coatings were also prepared as reference. All the films were comparatively investigated for elemental and phase composition, texture, microstructure, hardness, friction and wear behavior. X-ray structural analysis revealed the formation of single-solution phases ((111) texture). As compared to the reference binary coatings (TiN and TiC), the multi-component films exhibited significantly higher hardnesses (a difference in hardness of about 10GPa in the case of nitrides) and also superior wear performance. The best friction and wear behavior was found for the (TiZrNbHfTa)C film, for which the friction coefficient and wear rate were of 0.15 and 0.8×10 -6 mm 3 N -1m -1, respectively.

Original languageEnglish
Pages (from-to)117-121
Number of pages5
JournalSurface and Coatings Technology
Volume211
DOIs
Publication statusPublished - 25 Oct 2012
Externally publishedYes

Fingerprint

Hard coatings
Wear of materials
coatings
hardness
Hardness
Friction
Coatings
friction
textures
Textures
Steel
structural analysis
Phase composition
Structural analysis
Nitrides
coefficient of friction
nitrides
Sputtering
sputtering
steels

Keywords

  • DC magnetron sputtering
  • Hardness
  • Multi-element coatings
  • Nanocrystalline structure
  • Tribological properties

ASJC Scopus subject areas

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

Cite this

Nanostructured multi-element (TiZrNbHfTa)N and (TiZrNbHfTa)C hard coatings. / Braic, V.; Vladescu, Alina; Balaceanu, M.; Luculescu, C. R.; Braic, M.

In: Surface and Coatings Technology, Vol. 211, 25.10.2012, p. 117-121.

Research output: Contribution to journalArticle

Braic, V. ; Vladescu, Alina ; Balaceanu, M. ; Luculescu, C. R. ; Braic, M. / Nanostructured multi-element (TiZrNbHfTa)N and (TiZrNbHfTa)C hard coatings. In: Surface and Coatings Technology. 2012 ; Vol. 211. pp. 117-121.
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