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Academic literature on the topic 'Acier inoxydable 316'
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Journal articles on the topic "Acier inoxydable 316"
VAN HECKE, B. "Les branchements en acier inoxydable partiellement ondulé pour réduire les fuites d’eau." Techniques Sciences Méthodes, no. 1/2 (February 22, 2021): 41–48. http://dx.doi.org/10.36904/tsm/202101041.
Full textMandiang, Y., and G. Cizeron. "Précipitation de la phase sigma dans un acier inoxydable du type 316 Ti contenant du phosphore (acier Z 6 CNDTP 17-13)." Revue de Métallurgie 93, no. 5 (May 1996): 619–28. http://dx.doi.org/10.1051/metal/199693050619.
Full textEl Ouahabi, M., F. El Mdari, M. Marie de Ficquelmont-Loïzos, H. Takenouti, P. Lambin, S. El Adioui, and A. Srhiri. "Phénomènes oscillatoires à l'interface acier inoxydable 316l - albumine humaine en milieu biologique simulé." Matériaux & Techniques 90, no. 7-8 (2002): 49–54. http://dx.doi.org/10.1051/mattech/200290070049.
Full textVERNAULT, C., and J. MENDEZ. "Influence des couches d'oxyde sur l'endommagement par fatigue d'un acier inoxydable de type 316l." Annales de Chimie Science des Mat�riaux 24, no. 4-5 (1999): 351–62. http://dx.doi.org/10.1016/s0151-9107(99)80074-9.
Full textBen Aissa, Chokri, and Kaouther Khlifi. "Caractérisation nano-mécanique et tribologique des revêtements TiO2 et TiN déposés sur acier inoxydable 316L pour applications biomédicales." Matériaux & Techniques 109, no. 1 (2021): 104. http://dx.doi.org/10.1051/mattech/2021016.
Full textGeringer, Jean. "Prévision de l'épaisseur du film passif d'un acier inoxydable 316L soumis au fretting corrosion grâce au Point Defect Model, PDM." MATEC Web of Conferences 7 (2013): 04001. http://dx.doi.org/10.1051/matecconf/20130704001.
Full textGuillou, L., V. Le Courtois, and P. Supiot. "Revêtement à base d’oxyde de silicium sur un acier inoxydable austénitique AISI 316L : application comme sous-couche d’accroche de catalyseurs." Matériaux & Techniques 93, no. 9-12 (September 2005): 335–45. http://dx.doi.org/10.1051/mattech:2006014.
Full textHazarabedian, A., and J. Ovejero-García. "Comportement en milieu H2S aqueux des aciers inoxydables austénitiques Z2 CND 17-12 (AISI 316L) et Z6 CN 18-09 (AISI 304)." Revue de Métallurgie 90, no. 12 (December 1993): 1703–13. http://dx.doi.org/10.1051/metal/199390121703.
Full textDissertations / Theses on the topic "Acier inoxydable 316"
El, Kheloui Ahmed. "Etude de la susceptibilité à la corrosion sous contrainte d'aciers inoxydables AISI 304 et AISI 316 dans l'acide nitrique bouillant en présence de chlorures." Bordeaux 1, 1989. http://www.theses.fr/1989BOR10576.
Full textHermant, Alexandre. "Evolutions microstructurales d’un acier inoxydable austénitique (316 Nb) au cours de sollicitations thermomécaniques représentatives de différents procédés de forgeage." Thesis, Paris Sciences et Lettres (ComUE), 2016. http://www.theses.fr/2016PSLEM081.
Full textMechanical properties and microstructure of 316Nb austenitic stainless steel may show some variability in hot forging products. This work aimed at improving knowledge about hot deformation mechanisms and microstructural evolution of this steel. Obtaining a homogeneous microstructure requires deep understanding of the hot deformation behaviour and mechanisms. In thick-walled components, both work hardening, dynamic recovery and recrystallization govern hot workability. Static and post-dynamic phenomena can induce further metallurgical evolution during interpass time and cooling. The influence of deformation temperature, strain, strain rate, cooling rate on recrystallization mechanisms has been studied by using hot torsion tests. Multiple-pass tests with isothermal and non-isothermal interpass allowed understanding post-dynamic mechanisms. Static phenomena were investigated using various annealing conditions. The effects of initial microstructural features such as grain size and chemical composition, specifically niobium solute content, on the hot deformation behaviour were eventually considered.The extent of dynamic recovery, coarse initial grain size, solute drag, and pinning of grain boundaries by fine Nb(C,N) particles strongly hinder dynamic recrystallization which does not dominate the metallurgical evolution over the range studied, in contrast to results reported on 316 steel. However, bulging of grain boundaries as a prelude to dynamic recrystallization was observed at low strains and high temperature. Grain boundary serrations progressively lead to the formation of subgrain boundaries, then of new high angle boundaries. A particular dynamic recrystallization mechanism explains progressive elimination of annealing twins. Interaction with dislocations depends on locally activated slip systems and whether they are common to both twin and parent grain. At moderate strain levels, post-dynamic recrystallization occurs by rapid growth of nuclei that depends on deformation temperature, and applied strain and strain rate. For a given chemical composition, neither dynamic nor post-dynamic recrystallization is affected by the initial grain size over the range studied. Increasing the free niobium content promotes solute drag and niobium carbide precipitation, which significantly delay recrystallization. The microstructure after annealing essentially depends on the availability of solute atoms such as niobium and on residual δ-ferrite. Nb(C,N) precipitates formed during hot deformation do not significantly influence recrystallization kinetics
Haïdopoulos, Marie. "Étude expérimentale d'optimisation de procédés de modifications de surface de l'acier inoxydable 316 pour application aux dispositifs endovasculaires." Thesis, Université Laval, 2005. http://www.theses.ulaval.ca/2005/22413/22413.pdf.
Full textThe aim of this study was to develop various surface modification procedures for 316 stainless steel to improve its long term performances as endovascular stents. The strategy behind this work was divided into two parts: surface pre treatments and surface coatings. Chemical composition, roughness and topography of the metallic surfaces were modified by the surface pre treatments in order to prepare the substrates for the post deposited coatings that would form an impermeable barrier completely isolating the metallic device from body fluids. Surface pre treatments of the metallic surfaces consist of mechanical and electrochemical polishing, ultrasonic cleaning, dipping in alkaline and acidic solutions, and plasma etching. The aim was to obtain a smooth and homogeneous surface of the substrate as well as to remove any fragile interlayer, particularly the metallic oxide and the contamination layers. Characterization of the modified surfaces was performed by X ray Photoelectron Spectroscopy (XPS), Atomic Force Microscopy (AFM) and Scanning Electron Microscopy (SEM). Optimized surface properties were obtained by combining ultrasonic cleaning, electrochemical polishing, acid dipping and plasma etching. Of the above mentioned methods, emphasis was placed on the electrochemical polishing procedure. Ultra thin fluorocarbon films were deposited on pre treated stainless steel surfaces by radio frequency glow discharge plasma, after modulating plasma deposition parameters in order to promote the polymerization process. Films were then partially hydrogenated, amorphous, highly hydrophobic, smooth and pinhole free. Depositions under optimal polymerization conditions were also performed on as received substrates and lead to the formation of partially hydrogenated, porous fluorocarbon coatings that consisted of heterogeneously distributed nanospherical particles. Thus, pre treatments prior to deposition were essential, demonstrated by their strong influence on the morphology of the plasma polymer films. Finally, plasma polymer films were validated with respect to impermeability in a medium reproducing the physiological conditions in the coronary arteries.
Couturier, Raphael. "Etude des propriétés mécaniques de l'acier 316 ln élaboré par compression isostatique à chaud. Influence des paramètres de fabrication." Paris, ENMP, 1999. http://www.theses.fr/1999ENMP0937.
Full textKasri, Rachid. "Fissuration par corrosion sous contrainte d'aciers inoxydables austénitiques 316 L en milieu acide borique pollué en chlorures entre 100 °C et 200 °C." Bordeaux 1, 1991. http://www.theses.fr/1991BOR10612.
Full textBelamri, Chérif. "Influence de la température, 20 à 600 °C, et de l'environnement, air-vide, sur le comportement en fatigue plastique d'un acier inoxydable austénitique, 316 L." Grenoble 2 : ANRT, 1986. http://catalogue.bnf.fr/ark:/12148/cb37595809k.
Full textKarray, Rim. "Influence de l'implantation ionique et du mixage ionique dynamique sur le comportement en corrosion sous containte d'un acier inoxydable austénitique AISI 304." Bordeaux 1, 1993. http://www.theses.fr/1993BOR10623.
Full textThis study concerns the influence of surface treatments on the resistance to stress corrosion of stainless steel AlSi 304 Surface modificaiton are obtained by ion implantation of reactive particles (molybdenum, nitrogen) inert species (krypton neon) and by depositing a stainless steel AlSi 316 vapor assisted by argon ion implantation. .
Mandiang, Youssouf. "Analyse des évolutions structurales subies par les aciers austénitiques du type Z6CNDT 17-13 (AISI 316 Ti) comportant une addition de phosphore, en fonction de longues durées de maintien à des températures comprises entre 550 et 800⁰C." Paris 11, 1988. http://www.theses.fr/1988PA112071.
Full textL’influence du phosphore sur les processus de précipitation développés au sein d’aciers inoxydables du type AISI 316 Ti, à la faveur de traitements thermiques effectués à des températures comprises entre 600 et 800°c, a été analysée en mettant en œuvre diverses méthodes d’étude. Nous avons mis en évidence, par diffraction des rayons X à partir des résidus d’extraction électronique, la présence des phases des phases formées et nous avons déterminé, en fonction du temps et de la température de traitement le domaine d’existence de différents types de précipités susceptibles d’apparaître. Ces observations par miscrocopie optique ont révélé que la présence de phosphore en quantité suffisante (1500 ppm) au sein de ce matériau contribuait à favoriser, au cours du revenu, la précipitation intracristalline uniforme et fine de carbures des types M₂ ₃ C ₆ et TIC. De plus, des zones dénudées jouxtant les joints de grains peuvent être mise en évidence. D’autre part, la nature et les sites de germination des précipités formés ont été clairement déterminés par les examens en microscopie électronique en transmission sur lames minces. Nous avons ainsi observé que :-les précipités secondaires de TIC (C. F. C. ) se formaient essentiellement sur les dislocations dans la matrice et autour des précipités primaires de TiN (C. F. C) ; -les carbures du type M₂ ₃ C ₆ (C. F. C. ) se localisent surtout aux joints de grains quand on opère à température relativement faible (=600°C) ; ces précipités se forment aussi bien aux joints qu’à l’intérieur des grains ϒ (C. F. C) lorsque la température de traitement est élevée (650-800°C) ;-la précipitation de la phase ƞ (HC) –type Fe₂Mo et celle des phosphures du type M ₃ C ₆ P (Q. C) se développent dans la matrice austénitique ; -la phase intermétallique x (C. C) se forme le plus souvent aux joints de grains. Par ailleurs, la restauration et la recristallisation de ces alliages initialement à l’état écroui (20%) ont été étudiés par micrographies optique et électronique (MET) tandis que l’influence du phosphore sur la ductilité de ces aciers inoxydables du type 316 Ti a été analysée par microscopie électronique à balayage (MEB) sur éprouvettes préalablement chargées en hydrogène au bain de sels fondus. Les faciès de rupture de ces échantillons observés après traction sont du type intragranulaire ductile
Villaret, Flore. "Développement d’une jonction austéno-martensitique à gradient de composition chimique par fabrication additive." Thesis, Lyon, 2020. http://www.theses.fr/2020LYSEI104.
Full textThis PhD work concerns the problem of bimetallic austenitic/martensitic steel connections. This research action focuses on a 316L austenitic steel (X2 CrNiMo 18-12-02) / Fe-9Cr-1Mo (X10 CrMo 9-1) martensitic steel connection. The objective is to understand the metallurgical problems related to the assembly of these two steels and to evaluate the possibilities of using powder metallurgy and additive manufacturing to produce austenitic/martensitic steel transitions. A weld obtained by electron beam is used as a reference for this study which focuses on the interest of powder metallurgy to achieve a transition between two steels. Materials with a chemical composition gradient have been consolidated by HIP and SPS and show very good mechanical properties and an excellent junction between the two steels. By additive manufacturing (DED-LB or PBF-LB), we also obtain very good bonds between the two steels, but the microstructures are much more complex. Curiously, we observe that the higher the cooling rate, the higher the ferrite fraction in the martensitic steel. Different calculations based on the nucleation and growth of the austenitic phase have made it possible to propose a coherent scenario to explain the phase fractions present in the materials. The transition zone between the two steels shows strong variations in hardness. These variations are explained by changes in chemical composition, leading to modifications in phase change temperatures, and the particular thermal cycles seen during building. From a technological point of view, materials obtained by additive manufacturing have tensile performances very similar to those obtained by electron beam welding. It is shown that additive manufacturing also makes it possible to control the composition gradient between a martensitic and an austenitic steel
Henon-Vernet, Christine. "Contribution à l'étude métallurgique d'une liaison bimétallique soudée 16MND5/309/308." Grenoble INPG, 1997. http://www.theses.fr/1997INPG0021.
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