Literatura científica selecionada sobre o tema "Acier inoxydable – Surfaces – Texture"
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Artigos de revistas sobre o assunto "Acier inoxydable – Surfaces – Texture"
Pluyette, E., e J. M. Sprauel. "Détermination des constantes d’élasticité d’un revêtement en acier inoxydable austéno-ferritique obtenu par fusion et présentant une texture marquée". Revue de Métallurgie 91, n.º 12 (dezembro de 1994): 1815–24. http://dx.doi.org/10.1051/metal/199491121815.
Texto completo da fonteSaï, Wassila Bouzid, e Ezzeddine Triki. "INFLUENCE DES CARACTÉRISTIQUES DES SURFACES USINÉES SUR LA RÉSISTANCE À LA CORROSION D’UN ACIER INOXYDABLE AUSTÉNlTO - FERRITIQUE". Transactions of the Canadian Society for Mechanical Engineering 30, n.º 2 (junho de 2006): 183–90. http://dx.doi.org/10.1139/tcsme-2006-0011.
Texto completo da fonteHon, Chun-Yip. "Side-by-Side Comparison of Methods for Environmental Monitoring for Hazardous Drug Contamination". Canadian Journal of Hospital Pharmacy 76, n.º 2 (3 de abril de 2023): 87–93. http://dx.doi.org/10.4212/cjhp.3275.
Texto completo da fonteTeses / dissertações sobre o assunto "Acier inoxydable – Surfaces – Texture"
Dourgaparsad, Kevin. "Superhydrophobic bio-inspired microarchitectured stainless steel surfaces". Electronic Thesis or Diss., Université de Lille (2022-....), 2024. https://pepite-depot.univ-lille.fr/ToutIDP/EDSMRE/2024/2024ULILR009.pdf.
Texto completo da fonteSuperhydrophobic surfaces have low water wetting due to their chemical nature and/or surface state structured at multiple scales (micro and nano). Additive manufacturing (AM) processes using stainless steel are expensive due to the cost of stainless steel powder. Additionally, the precision of these technologies rarely goes below 200 μm. The presented work combines two technologies, namely polymer 3D printing and vacuum casting (lost-wax casting), to create various bio-inspired microtextured surfaces in 316L stainless steel from stainless steel waste. Casting micrometric details in stainless steel foundry is a technical challenge due to high surface tension, high dynamic viscosity, and high working temperature (1600°C). Various bioinspired microtextured surfaces (fish scales, drops, honeycomb, etc.) have been successfully manufactured. A nanoscale coating was then applied through atmospheric pressure plasma polymerization to nanotexture the surface, leading to an ultrahydrophobic behavior. Finally, various potential applications for these surfaces, such as anti-fouling, anti-icing, or impregnation with vegetable oil for the development of slippery liquid-infused porous surfaces (SLIPS), are explored and discussed
Stinville, Jean-Charles. "Evolution des microstructures et textures locales par nitruration plasma de l'acier 316L : répercussion sur sa durabilité en fatigue". Phd thesis, Chasseneuil-du-Poitou, Ecole nationale supérieure de mécanique et d'aéronautique, 2010. http://tel.archives-ouvertes.fr/tel-00491846.
Texto completo da fonteKozlova, Olga. "Brasage réactif Cu/acier inoxydable et Cu/alumine". Grenoble INPG, 2008. http://www.theses.fr/2008INPG0072.
Texto completo da fonteIn this work we study the physico-chemical and mechanical aspects of the copper/stainless steel and copper/alumina brazed joints. In the physico-chemical part we study the wettability, the reactivity at the interfaces and the microstructure of the brazed joints. The mechanical part relates to the copper/alumina joints obtained by reactive brazing and includes tensile tests and shaft loaded blister tests. From the results we propose optimal solutions of assemblies in term of temperature, brazing time and composition of the braze
Mercier, Virginie. "Contribution à l'étude des propriétés acido-basiques et d'adhésion de surfaces d'aciers inoxydables". Grenoble INPG, 1999. http://www.theses.fr/1999INPG0159.
Texto completo da fonteKomla, Adéchion. "Etude de la texture de couches à propriétés optiques et catalytiques spécifiques obtenues à partir d'aciers inoxydables". Toulouse 3, 1991. http://www.theses.fr/1991TOU30277.
Texto completo da fonteChassignole, Bertrand. "Influence de la structure métallurgique des soudures en acier inoxydable austénitique sur le contrôle non destructif par ultrasons". Lyon, INSA, 2000. http://theses.insa-lyon.fr/publication/2000ISAL0107/these.pdf.
Texto completo da fonteThe anisotropic and heterogeneous features of the solidification structure of austenitic stainless steel welds disturb the ultrasonic non destructive testing. The aim is to show the purpose of numeric modelling, coupled to a convenient weld description model, to study the perturbations of the ultrasonic beam. Because of the dependence of the welding process and position on the structure, several mockups are studied, including welds from the primary circuit of PWR nuclear power stations. Several methods of characterization (metallographic observations, RX diffraction, EBSD) show long shape solidification grains and a texture with a <100> growing direction. An orthotropic elastic symmetry is revealed which properties (elastic constants and symmetry axes) are identified by measurements of ultrasonic velocities. These results, completed by image processing on metallographic cuts, allow considering welds as a set of elastic homogeneous domains with regards to ultrasonic propagation. The propagation through these domains has been simulated with ULTSON, a 2D finite element code, and CHAMP-SONS, a 3D semi-analytical code. Experimental studies in transmission and echography modes for pressure and shear waves, allow to quantify the perturbations of the ultrasonic beam (skewing, splitting and attenuation). The different modelling studies validate the weld description model and show the interest of this modeling to forecast skewing and explain the origin of the different echoes. The codes' sensitivity to input data is discussed. Finally, measurements of the attenuation coefficient, which depends on the elastic properties, are realized in order to introduce subsequently this parameter in modelling codes
Fort, Pascal. "Analyse du traitement de surface d'un acier inoxydable ferritique en vue d'applications solaires". Toulouse 3, 1990. http://www.theses.fr/1990TOU30073.
Texto completo da fonteFricout, Gabriel Yrieix. "Propriétés morphologiques et optiques des surfaces rugueuses". Paris, ENMP, 2004. https://pastel.archives-ouvertes.fr/pastel-00001102.
Texto completo da fonteIn this PhD, we have focused our interest on studying general aspect of rough surfaces and particularly steel surfaces, that can be coated and designed for any kind of applications. In the following, the words surface aspect have to be understood as general texture characteristics without taking into account local defects. The control of such an aspect during production process is performed by regular sampling of the product and visual comparison with a reference data set. This method does not only forbid a continuous quality control of surface aspect, but also introduces a very subjective part in surfaces appearance evaluation. Firstly, we develop a set of morphological features (based on surface segmentation, tortuosity map, granulometry. . . ) as well as statistical features (covariance curve, slopes histogram. . . ), that leads us to surface characterization. The question of features stability is then considered by means of features variance when a large surface is characterized several times using independent observation windows. Some geostatistical tools enable us to address this problem in some particular cases and bootstrap over-sampling is also introduced with special care to statistical dependence between variables. A statistical method based on different steps of factorial analysis is then introduced in order to chose a representation space that is well suited for bayesian classification. This very generic methodology for analyzing surface texture is then applied to a real problem. We study the automatic classification of surfaces with "orangepeel" aspect according to the quality of their appearance. Once successful experiments were performed in laboratory using interferometric microscopy, we design a vision system based on a collimated source and a matricial camera, so that an automatic and systematic quality control of surface aspect can be set up on production line. In order to improve our classifier performance, the possibility of using flooding trees for texture characterization is considered and we develop an algorithm to divide a flooding tree into subtrees so that bootstrap techniques become usable with such a particular data structure. Finally, the optical behavior of surfaces is modeled by the way of ray casting in order to simulate the image obtained by a camera under specific lighting conditions. Reciprocally, we propose an algorithm to compute a surface topography if only a single camera image is known. All these points join a recent dynamic coming from steel industry in general and Arcelor group in particular, that should lead to a better understanding of esthetic for surfaces, the final aim being the prediction and anticipation of consumer’s desires in this particular field. Considering this, our tools open perspectives for defining the "ideal surface" for a given application
Badin, Valentin. "Création de surfaces poreuses sur des aciers inoxydables par réduction d’oxydes sous H2 à haute température". Thesis, Paris Sciences et Lettres (ComUE), 2016. http://www.theses.fr/2016PSLEM009/document.
Texto completo da fonteA process for pore creation on the surface of two stainless steels, respectively austenitic and ferritic, has been investigated. That process follows two steps. An oxide scale with controlled thickness and composition is firstly generated by water vapour exposition at 1100 °C. That layer is subsequently reduced at high temperature by dihydrogen. The present work aims to better understand the mechanisms of pore formation and the influence of various reaction parameters on both oxidation and reduction course.A comprehensive characterisation of the oxide layers has been first performed. The main parameter is the alloy structure, austenitic or ferritic. The porous surfaces have been thereafter studied to establish step by step the formation mechanisms involved.It was demonstrated that the non-stoichiometry of iron oxides formerly developed on the austenitic steel is behind the pore growth mechanism on that steel.A new kind of porosity could be obtained through the preliminary building of chromium-rich oxide scales on the ferritic steel. The morphologies are in that case completely different as well as the pore formation mechanism. A specific process for the pore growth has been proposed
Garrain, Pierre-Alain. "Etude ab initio de l'adsorption d'acides aminés et peptide sur surfaces modèles d'acier inoxydable". Phd thesis, Université Pierre et Marie Curie - Paris VI, 2011. http://tel.archives-ouvertes.fr/tel-00722645.
Texto completo da fonteLivros sobre o assunto "Acier inoxydable – Surfaces – Texture"
Tuthill, Arthur H. Cleaning stainless steel surfaces prior to sanitary service. Toronto, Ont: Nickel Development Institute, 1997.
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