Littérature scientifique sur le sujet « Solid chromium's etching »
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Articles de revues sur le sujet "Solid chromium's etching"
Back, Hyoung C., Markus Mutter, Jens Gibmeier, Robert Mücke et Robert Vaßen. « Residual Stress Depth Distributions for Atmospheric Plasma Sprayed MnCo1.9Fe0.1O4 Spinel Layers on Crofer Steel Substrate ». Materials Science Forum 905 (août 2017) : 174–81. http://dx.doi.org/10.4028/www.scientific.net/msf.905.174.
Texte intégralTaylor, Earl Jennings. « (Keynote Address) Developing Industrial Applications of Pulse Electrolytic Processes ». ECS Meeting Abstracts MA2023-02, no 26 (22 décembre 2023) : 1393. http://dx.doi.org/10.1149/ma2023-02261393mtgabs.
Texte intégralSavan, Alan, Vladislav Spassov, Yvonne Gerbig, Henry Haefke, Frans Munnik et Serguei Mikhailov. « Ion-Assisted Adhesion Treatments for MoS2-Metal Alloy Solid Lubricating Coatings ». MRS Proceedings 750 (2002). http://dx.doi.org/10.1557/proc-750-y3.8.
Texte intégralZheng, Fengbin, Zhouwen Cao, Tian Lin, Bin Tu, Shengxian Shao, Caoyu Yang, Pengfei An et al. « Nanocavity in hollow sandwiched catalysts as substrate regulator for boosting hydrodeoxygenation of biomass-derived carbonyl compounds ». Science Advances 10, no 20 (17 mai 2024). http://dx.doi.org/10.1126/sciadv.adn9896.
Texte intégralThèses sur le sujet "Solid chromium's etching"
Laourine, Feriel. « Texturation de la surface d’aciers inoxydables par plasmas chlorés et compréhension des mécanismes mis en jeu par l’étude de la gravure du fer, du chrome et du nickel massifs ». Electronic Thesis or Diss., Université de Lorraine, 2021. http://www.theses.fr/2021LORR0252.
Texte intégralThe structuring at sub-micronic scale of the surface of stainless steels allows to provide them with new functionalities, for example for tribological and optical applications. This thesis is part of the ANR SPOT project which aims to structure the surface of austenitic and martensitic steels on a submicronic scale by dry etching. In this work, we have developed a plasma process with a mixture of chlorine and argon for the etching of stainless steels. The development of this process was carried out based on the study of the etching of the main metals that make up these steels, namely, iron, chromium and nickel. Based on measurements of etching speeds, as well as on plasma diagnostic techniques, we have shown that, in a chlorine and argon plasma, iron is the most etched element, followed by chromium, then nickel. The metallic and the stainless steels etched samples were analyzed by surface characterization techniques, in particular X photoelectron spectrometry (XPS) analyzes. We have also studied the variation of the etching speeds of these metals and steels as a function of the temperature of the substrates. These studies have enabled us to establish the mechanisms involved in the etching of metallic elements. We have shown that in a plasma of chlorine and argon, iron is mainly etched by a chemical mechanism which follows an Arrhenius law. This mechanism would be based on the formation of volatile iron chlorides. In the case of chromium, the etching requires ionic assistance in order to desorb the non-volatile chromium chlorides formed on the surface of the material. Finally, for nickel, we observed that the etching speed decreases when the temperature increases. In this case, observations with a scanning electron microscope made it possible to highlight the formation of swellings rich in chlorine. XPS analyzes of the etched surface of nickel suggest that these swellings are due to the formation of non-volatile nickel chlorides. These chlorides would be at the origin of the decrease in the rate of etching of nickel, the sputtering of which would be blocked by the presence of these chlorides. Understanding these mechanisms led to conclude that, in a chlorinated plasma, the blocking element in the etching of stainless steels is nickel