Improvement of the tribological performance in corrosive environment of CoCr alloy by TiSiON coatings

M. Dinu, M. Cojocaru, V. Braic, M. Tarcolea, M. Braic, F. Miculescu, A. Vladescu, C. M. Cotrut

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

TiSiON thin films for load bearing applications were prepared by reactive cathodic arc evaporation at different substrate bias voltages. The influence of deposition parameters on the tribological performance of coated CoCr samples was investigated. The tribological performance of uncoated and coated CoCr alloy surfaces was investigated in 0.9% NaCl solution. The friction coefficient of the TiSiON in corrosive environment exhibited values ranging from 0.1 to 0.3. Combined adhesive and oxidative wear mechanism was found. All of the coatings demonstrated a better tribological performance when compared with uncoated CoCr substrate. Of the investigated coatings, TiSiON deposited at -200 V bias voltages exhibited the best tribological performance in 0.9% NaCl, both in friction coefficient (0.1) and wear rate (6.29 × 10 -6 mm 3 /N m).

Original languageEnglish
Pages (from-to)295-299
Number of pages5
JournalApplied Surface Science
Volume332
DOIs
Publication statusPublished - 30 Mar 2015
Externally publishedYes

Fingerprint

Caustics
Bias voltage
Bearings (structural)
Wear of materials
Friction
coatings
Coatings
Substrates
coefficient of friction
Adhesives
Evaporation
Thin films
electric potential
adhesives
arcs
evaporation
thin films

Keywords

  • Corrosion resistance
  • Friction
  • TiSiON coatings
  • Wear resistance

ASJC Scopus subject areas

  • Surfaces, Coatings and Films

Cite this

Improvement of the tribological performance in corrosive environment of CoCr alloy by TiSiON coatings. / Dinu, M.; Cojocaru, M.; Braic, V.; Tarcolea, M.; Braic, M.; Miculescu, F.; Vladescu, A.; Cotrut, C. M.

In: Applied Surface Science, Vol. 332, 30.03.2015, p. 295-299.

Research output: Contribution to journalArticle

Dinu, M. ; Cojocaru, M. ; Braic, V. ; Tarcolea, M. ; Braic, M. ; Miculescu, F. ; Vladescu, A. ; Cotrut, C. M. / Improvement of the tribological performance in corrosive environment of CoCr alloy by TiSiON coatings. In: Applied Surface Science. 2015 ; Vol. 332. pp. 295-299.
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AU - Miculescu, F.

AU - Vladescu, A.

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