Elaboration, characterization of Cr-N based coatings
Communication avec acte
Cr, CrN and CrAlN monolayers were synthesized by RF dual magnetron sputtering on AISI4140 steel and silicon substrates at 200°C. Multilayers coatings based on the three mono-layers such as CrN/CrAlN and Cr/CrN/CrAlN were also synthesized only on Si. The physico-chemical and mechanical properties of the layers were determined by AFM, SEM+WDS, stress, roughness and nanoindentation measurements. The influence of the thickness on the mechanical properties of the monolayers stresses has been studied and as a consequence we compared the mono and multilayers stress state.
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Correlation between thermal properties and aluminum fractions in CrAlN layers deposited by PVD technique Article dans une revue avec comité de lectureTLILI, Brahim; MUSTAPHA, Nasri; NOUVEAU, Corinne; BENLATRECHE, Yacine; GUILLEMOT, Gildas; LAMBERTIN, Michel (Elsevier, 2010)The CrAlN coatings are a good alternative to conventional CrN coatings especially for high temperature oxidation-resistance applications. Different CrAlN coatings were deposited on silicon (100) by PVD (Physical vapor ...
Article dans une revue avec comité de lectureTLILI, Brahim; NOUVEAU, Corinne; GUILLEMOT, Gildas; BESNARD, Aurélien; BARKAOUI, Abdelwahed (Springer Verlag/ASM International, 2018)The control of residual stresses has been seldom investigated in multilayer coatings dedicated to improvement of wear behavior. Here, we report the preparation and characterization of superposed structures composed of Cr, ...
Communication avec acteBRAYEK, A.; TLILI, Brahim; GHRIB, Taher; NOUVEAU, Corinne (EDP Sciences, 2012)In this work we present the technique of magnetron vapor deposition and the effect of several deposition parameters on the structural and morphological properties of prepared thin films. It was noted that the deposition ...
Tribological and electrochemical performances of Cr/CrN and Cr/CrN/CrAlN multilayer coatings deposited by RF magnetron sputtering Article dans une revue avec comité de lectureBELIARDOUH, Nasser Eddine; BOUZID, Kheireddine; NOUVEAU, Corinne; TLILI, Brahim; WALOCK, Michael J. (Elsevier, 2015)CrN/CrAlN and Cr/CrN/CrAlN multilayers were grown with dual RF magnetron sputtering. The application of these multilayers will be wood machining of green wood. That is why ball-on-disc and electrochemical tests in NaCl ...
Communication avec acteTLILI, Brahim; NOUVEAU, Corinne; BENLATRECHE, Yacine; MUSTAPHA, Nasri; LAMBERTIN, Michel (2009)In the present investigation, novel Cr/CrN, CrN/CrAlN and Cr/CrN/CrAlN multilayered coatings thin films have been developed by dual RF magnetron sputtering. They consist of superposing Cr, CrN and CrAlN layers of 50–500nm ...