Elaboration, characterization of Cr-N based coatings
TypeCommunications avec actes
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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TLILI, Brahim; NOUVEAU, Corinne; GUILLEMOT, Gildas; BESNARD, Aurélien; BARKAOUI, Abdelwahed (Springer, 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, ...
Correlation between thermal properties and aluminum fractions in CrAlN layers deposited by PVD technique TLILI, 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 ...
TLILI, 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 ...
Effect of substrate bias voltage on the microstructure and tribological properties of CrN coatings AOUADI, Khalil; NOUVEAU, Corinne; BESNARD, Aurélien; TLILI, Brahim; CHAFRA, Moez (Lavoisier, 2016)Microstructure, wear and friction coefficient of cr-based magnetron sputtered layers. CrN films were deposited on stainless steel and silicon substrates via magnetron reactive sputtering under a systematic variation of the ...
TLILI, Brahim; NASRI, Mustapha; AYARI, F.; NOUVEAU, Corinne (Praise Worthy Prize S.r.l., 2008)Nowadays, most surface treatments are realized through vapor deposition techniques as thin hard coatings to guarantee; high surface hardness, low friction coefficient and improve wear resistance. Several experimental ...