Effects of Zr, Nb, or Si addition on the microstructural, mechanical, and corrosion resistance of TiCN hard coatings

L. Constantin, M. Braic, M. Dinu, M. Balaceanu, V. Braic, C. Farcau, A. Vladescu

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Stoichiometric TiZrCN, TiNbCN, and TiSiCN coatings, with Zr, Nb, or Si as alloying elements, were deposited on Si and M2 high speed steel substrates by the cathodic arc technique in a mixture of N2 and CH4 gases. Coatings with a C/N ratio value of about 0.5 have been prepared and comparatively investigated for elemental and phase composition, texture, adhesion, and anticorrosive properties. All coatings consisted of fcc solid solutions, with an (111) preferred orientation. The addition of either Zr, Nb, or Si in the basic structure of TiCN coatings resulted in adhesion enhancement (critical loads in the range 20–30 N) and increased corrosion resistance, as tested in 3.5% NaCl solution.

Original languageEnglish
Pages (from-to)929-938
Number of pages10
JournalMaterials and Corrosion
Volume67
Issue number9
DOIs
Publication statusPublished - 1 Sep 2016
Externally publishedYes

Fingerprint

Hard coatings
Corrosion resistance
corrosion
coating
Coatings
adhesion
Adhesion
critical load
Steel
preferred orientation
Alloying elements
solid solution
Phase composition
Solid solutions
Textures
Gases
texture
steel
substrate
effect

Keywords

  • adhesion
  • cathodic arc deposition
  • corrosion resistance
  • TiNbCN
  • TiSiCN and TiCN coatings
  • TiZrCN

ASJC Scopus subject areas

  • Environmental Chemistry
  • Mechanics of Materials
  • Mechanical Engineering
  • Surfaces, Coatings and Films
  • Metals and Alloys
  • Materials Chemistry

Cite this

Effects of Zr, Nb, or Si addition on the microstructural, mechanical, and corrosion resistance of TiCN hard coatings. / Constantin, L.; Braic, M.; Dinu, M.; Balaceanu, M.; Braic, V.; Farcau, C.; Vladescu, A.

In: Materials and Corrosion, Vol. 67, No. 9, 01.09.2016, p. 929-938.

Research output: Contribution to journalArticle

Constantin, L. ; Braic, M. ; Dinu, M. ; Balaceanu, M. ; Braic, V. ; Farcau, C. ; Vladescu, A. / Effects of Zr, Nb, or Si addition on the microstructural, mechanical, and corrosion resistance of TiCN hard coatings. In: Materials and Corrosion. 2016 ; Vol. 67, No. 9. pp. 929-938.
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