Corrosion and tribological performance of quasi-stoichiometric titanium containing carbo-nitride coatings

Catalin Iulian Pruncu, Mariana Braic, Karl D. Dearn, Cosmin Farcau, Robert Watson, Lidia Ruxandra Constantin, Mihai Balaceanu, Viorel Braic, Alina Vladescu

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

Zr, Nb and Si doped TiCN coatings, with (C+N)/(metal + Si) ratios of approximately 1, were deposited on stainless steel and Si wafer substrates using a cathodic arc technique in a mixture of N2 and CH4 gases. The coatings were comparatively analysed for elemental and phase composition, adhesion, anticorrosive properties and tribological performance at ambient and 250 °C. Zr, Nb and Si alloying contents in the coatings were in the range 2.9–9.6 at.%. All the coatings exhibited f.c.c. solid solution structures and had a 〈1 1 1〉 preferred orientation. In the adhesion tests conducted, critical loads ranged from 20 to 30 N, indicative of a good adhesion to substrate materials. The Ti based coatings with Nb or Si alloying elements proved to be resistant to corrosive attack in 3.5% NaCl and of these coatings the TiNbCN was found to have the best corrosion resistance. TiCN exhibited the best tribological performance at 250 °C, while at ambient temperatures it was TiNbCN. Abrasive and oxidative wear was found to be the main wear mechanism for all of the coatings. Of the tested coatings, TiNbCN coatings would be the most suitable candidate for severe service (high temperature, corrosive, etc.) applications.

Original languageEnglish
Pages (from-to)1015-1028
Number of pages14
JournalArabian Journal of Chemistry
Volume10
Issue number7
DOIs
Publication statusPublished - 1 Nov 2017
Externally publishedYes

Fingerprint

Charcoal
Titanium
Nitrides
Corrosion
Coatings
Caustics
Adhesion
Wear of materials
Stainless Steel
Substrates
Alloying elements
Abrasives
Alloying
Phase composition
Corrosion resistance
Solid solutions
Stainless steel
Gases
Metals
Temperature

Keywords

  • Cathodic arc
  • Corrosion resistance
  • Friction coefficient and wear resistance
  • TiCN
  • TiNbCN and TiSiCN coatings
  • TiZrCN

ASJC Scopus subject areas

  • Chemistry(all)
  • Chemical Engineering(all)

Cite this

Corrosion and tribological performance of quasi-stoichiometric titanium containing carbo-nitride coatings. / Pruncu, Catalin Iulian; Braic, Mariana; Dearn, Karl D.; Farcau, Cosmin; Watson, Robert; Constantin, Lidia Ruxandra; Balaceanu, Mihai; Braic, Viorel; Vladescu, Alina.

In: Arabian Journal of Chemistry, Vol. 10, No. 7, 01.11.2017, p. 1015-1028.

Research output: Contribution to journalArticle

Pruncu, CI, Braic, M, Dearn, KD, Farcau, C, Watson, R, Constantin, LR, Balaceanu, M, Braic, V & Vladescu, A 2017, 'Corrosion and tribological performance of quasi-stoichiometric titanium containing carbo-nitride coatings', Arabian Journal of Chemistry, vol. 10, no. 7, pp. 1015-1028. https://doi.org/10.1016/j.arabjc.2016.09.009
Pruncu, Catalin Iulian ; Braic, Mariana ; Dearn, Karl D. ; Farcau, Cosmin ; Watson, Robert ; Constantin, Lidia Ruxandra ; Balaceanu, Mihai ; Braic, Viorel ; Vladescu, Alina. / Corrosion and tribological performance of quasi-stoichiometric titanium containing carbo-nitride coatings. In: Arabian Journal of Chemistry. 2017 ; Vol. 10, No. 7. pp. 1015-1028.
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