Effect of substrate bias voltage on the microstructure and tribological properties of CrN coatings
Article dans une revue avec comité de lecture
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 substrate bias voltage. The influence of the substrate bias voltage on the structural and tribological properties of the films was investigated. The results indicated that increasing the negative bias voltage have many influence on the characteristic of the coatings: concerning their microstructure, we observed that the grain size increased, while their coefficient of friction is influenced by the bias voltage like the wear rate.
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Influence of Substrate Bias Voltage on Corrosion and Wear Behavior of Physical Vapor Deposition CrN Coatings Article dans une revue avec comité de lectureAOUADI, Khalil; TLILI, Brahim; NOUVEAU, Corinne; BESNARD, Aurélien; CHAFRA, Moez; SOULI, Rania (Springer Verlag/ASM International, 2019)The objective of the present paper is to study the influence of the substrate bias voltage on the microstructure, composition, deposition rate, tribological and corrosion properties of CrN coatings obtained by DC magnetron ...
Characterization of CrN/CrAlN/Cr2O3 Multilayers Coatings Synthesized by DC Reactive Magnetron Sputtering Communication avec acteAOUADI, Khalil; TLILI, Brahim; NOUVEAU, Corinne; BESNARD, Aurélien; CHAFRA, Moez (Springer International Publishing, 2020)The CrN/CrAlN/Cr2O3 multilayer coatings were deposited by reactive magnetron sputtering DC on 90CrMoV8 stainless steel under various oxygen flow rates. The structure and crystalline phases are characterized by the x-ray ...
Article dans une revue avec comité de lectureAOUADI, Khalil; NOUVEAU, Corinne; BESNARD, Aurélien; TLILI, Brahim; MONTAGNE, Alex; CHAFRA, Moez (Springer, 2021)CrAlN films were synthesized by DC reactive magnetron sputtering. The influence of the aluminium content on the microstructure, hardness and the friction coefficient of the CrAlN films have been investigated. Results ...
The Effect of Bilayer Periods and Their Thickness in Magnetron Sputtering Protective Multilayer Coatings for Tribological Applications Article dans une revue avec comité de lectureAOUADI, Khalil; NOUVEAU, Corinne; BESNARD, Aurélien; TLILI, Brahim; MONTAGNE, Alex; CHAFRA, Moez (Springer Science and Business Media LLC, 2021)CrN/CrAlN thin films were deposited by DC reactive magnetron sputtering. The influence of CrN/CrAlN bilayer thickness on the microstructure, mechanical, and tribological properties was studied. Crystallinity of the layers ...
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, ...