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Effect of Zr content on friction and wear behavior of Cr‐Zr‐N coating system

Article dans une revue avec comité de lecture
Author
FELLAH, Mamoun
266547 Université Badji Mokhtar [Annaba] = Badji Mokhtar University [Annaba] = (عنابة) جامعة باجي مختار–عنابة [UBMA]
421622 Universite Abbes Laghrour [Khenchela]
AISSANI, Linda
266547 Université Badji Mokhtar [Annaba] = Badji Mokhtar University [Annaba] = (عنابة) جامعة باجي مختار–عنابة [UBMA]
421622 Universite Abbes Laghrour [Khenchela]
ABDUL SAMAD, Mohammed
319250 King Fahd University of Petroleum and Minerals [KFUPM]
PURNAMA, Agung
2631 Centre d'Investigation Clinique - Epidemiologie Clinique / Essais Cliniques Bordeaux
DJEBAILI, Hamid
421622 Universite Abbes Laghrour [Khenchela]
IOST, Alain
NOUVEAU, Corinne
127742 Laboratoire Bourguignon des Matériaux et Procédés [LABOMAP]
ccMONTAGNE, Alex
211915 Mechanics surfaces and materials processing [MSMP]

URI
http://hdl.handle.net/10985/19687
DOI
10.1111/ijac.12833
Date
2018
Journal
International Journal of Applied Ceramic Technology

Abstract

Nanostructured Cr‐Zr‐N thin film with different Zr content (0 to 48.8 at.%) was deposited, using an RF magnetron‐sputtering technique. The structural evolution and morphological changes were performed. The tribological performances were evaluated, using a ball‐on‐disk type Oscillating tribometer. The tests were carried out under normal loads of 2, 4 and 6 N, respectively, with an alumina ball (Al2O3) as a counter face. The results showed that the crystallite size of the Cr‐Zr‐N system was reduced to 10.8 nm at 31.8 at.% Zr content. Morphological studies of the films showed that the roughness continuously decreased with increasing Zr content, exhibiting a value of 11.2 nm at 31.8 at.% Zr. The wear rate tends to decrease with the increasing of Zr content to reach a lowest value of 1.95 × 10‐2 μm3.N.μm‐1 at 31.8 at.% Zr. The wear rate and friction coefficient were lower in the samples with 31.8 at.% Zr content. The improved friction and wear resistance were attributed to the grain refinement strengthening mechanism at 31.8 at.% of Zr.

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