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

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 language	English
Pages (from-to)	295-299
Number of pages	5
Journal	Applied Surface Science
Volume	332
DOIs	https://doi.org/10.1016/j.apsusc.2015.01.221
Publication status	Published - 30 Mar 2015
Externally published	Yes

Keywords

Corrosion resistance
Friction
TiSiON coatings
Wear resistance

ASJC Scopus subject areas

Surfaces, Coatings and Films

Access to Document

10.1016/j.apsusc.2015.01.221

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@article{0369b37772cf4a808e5d086a3dead394,

title = "Improvement of the tribological performance in corrosive environment of CoCr alloy by TiSiON coatings",

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). ",

keywords = "Corrosion resistance, Friction, TiSiON coatings, Wear resistance",

author = "M. Dinu and M. Cojocaru and V. Braic and M. Tarcolea and M. Braic and F. Miculescu and A. Vladescu and Cotrut, {C. M.}",

year = "2015",

month = mar,

day = "30",

doi = "10.1016/j.apsusc.2015.01.221",

language = "English",

volume = "332",

pages = "295--299",

journal = "Applied Surface Science",

issn = "0169-4332",

publisher = "Elsevier",

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TY - JOUR

T1 - Improvement of the tribological performance in corrosive environment of CoCr alloy by TiSiON coatings

AU - Dinu, M.

AU - Cojocaru, M.

AU - Braic, V.

AU - Tarcolea, M.

AU - Braic, M.

AU - Miculescu, F.

AU - Vladescu, A.

AU - Cotrut, C. M.

PY - 2015/3/30

Y1 - 2015/3/30

N2 - 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).

AB - 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).

KW - Corrosion resistance

KW - Friction

KW - TiSiON coatings

KW - Wear resistance

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