Academic literature on the topic 'Soudage par résistance SPR'
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Journal articles on the topic "Soudage par résistance SPR":
Fuentes, A., D. Carron, A. Almerge, G. Sierra, P. Rogeon, T. Loulou, and P. Carré. "Étude expérimentale du soudage par résistance de matériaux très conducteurs." Matériaux & Techniques 99, no. 4 (2011): 509–16. http://dx.doi.org/10.1051/mattech/2011054.
Corpace, F., A. Monnier, A. Poulon Quintin, and J. P. Manaud. "Soudage par résistance du gainage combustible en acier ODS – Identification des phénomènes thermiques par la simulation numérique." Matériaux & Techniques 100, no. 4 (2012): 291–98. http://dx.doi.org/10.1051/mattech/2012026.
Kaluc, E., L. Capan, and S. Anik. "Effets des paramètres du soudage sur la résistance en traction-cisaillement de différents aciers inoxydables soudés par points." Matériaux & Techniques 85, no. 1-2 (1997): 11–13. http://dx.doi.org/10.1051/mattech/199785010011.
CAZES, Roland. "Soudage par résistance." Travail des matériaux - Assemblage, November 1993. http://dx.doi.org/10.51257/a-v1-b7720.
DUPUY, Thomas. "Simulation numérique du soudage par résistance." Travail des matériaux - Assemblage, July 2000. http://dx.doi.org/10.51257/a-v1-bm7760.
Dissertations / Theses on the topic "Soudage par résistance SPR":
Mabrouki, Mohamed. "Caractérisation de la tenue mécanique des assemblages bouchon-gaine en acier ODS obtenus par soudage par résistance." Electronic Thesis or Diss., Bordeaux, 2024. http://www.theses.fr/2024BORD0044.
Oxide Dispersion-Strengthened (ODS) ferrito-martensitic alloys are among the candidate materials for the manufacture of fuel cladding parts for 4th generation nuclear reactors. The « plug-clad » assembly is carried out by the Pressure Resistance Welding (PRW) process; a solid phase welding process known to have a limited impact on the dispersion of nano-oxides in the welded zone compared with fusion welding processes. One of the aims of this work is to assess and understand the effects of PRW on the final mechanical strength of the 11Cr-ODS steel plug-clad assembly. An approach coupling microstructural and mechanical characterizations with numerical simulations (PRW process and mechanical tests) is adopted. The originality of this approach also lies in the development of two specific geometries for tensile samples, enabling the localization of stresses in the welded zone. Indeed, the severe thermomechanical loadings imposed on the material during the PWR process generate microstructural heterogeneities in the material with direct consequences on its mechanical resistance. Complex microstructures in terms of grain size, local texture, phases (ferrite, martensite, residual ferrite) and grain type (recrystallized or deformed) are obtained. The mechanical tests indicate that the mechanical resistance of the welded assembly is primarily associated with the internal zone of the joint plane, forming an angle of approximately 45° with respect to the axis of the clad. This area is submitted to significant plastic deformation, presents the highest hardness values, and exhibits a more pronounced refinement of the microstructure. A second objective is the evaluation of the effects of a post-welding heat treatment on the microstructural properties of the weld and on the mechanical strength of the welded assembly. Its effect is significant if it is carried out above the phase transformation temperature, Ac3, while it is limited if below Ac3. During tensile tests at room temperature, the fracture zone is moved from the welded area to the as-received metal when the assembly has undergone adequate heat treatments
Thieblemont, Éric. "Modélisation du soudage par résistance par points." Vandoeuvre-les-Nancy, INPL, 1992. http://docnum.univ-lorraine.fr/public/INPL_T_1992_THIEBLEMONT_E.pdf.
Monnier, Arnaud. "Etude et simulation du soudage par résistance de matériaux de contact." Paris 11, 2006. http://www.theses.fr/2006PA112329.
This study is done in the frame of a CIFRE convention between Schneider Electric and the Laboratoire de Génie Electrique de Paris-SUPELEC. The goal is to understand the physical phenomena occurring during the resistance welding process of contact materials and the development of a numerical simulation of the process. An innovating welding device is developed. Experimental tests done with two rivets of copper allow to determine a weldability area. They also show that the dynamic contact resistance allow to follow the heating way in the pieces. Moreover the characterisation tests (ultrasonic images, shear tests, macrographies), that are supplementary, highlight other physical phenomena. The simulation done with the FEM software ANSYS takes into account the coupling between the mechanical, electrical and thermal phenomena. Two supplementary modellings are developed : a macroscopic modelling that takes into account the evolution of the global superficial resistivity versus the force and the temperature and a microscopic modelling that decouples the roughness and the superficial insulating impurities of the contact area. A comparison between the calculated and measured results shows a consistency of them. These modellings that are consistent with the experimental tests allow to extend the study for the welding of a rivet of aluminium with a rivet of copper and to study the influence of the frequency of the rectified current used during the welding
Srikunwong, Chainarong. "Modélisation du procédé de soudage par points." Phd thesis, École Nationale Supérieure des Mines de Paris, 2005. http://tel.archives-ouvertes.fr/tel-00151464.
de soudage, la difficulté principale en simulation numérique est la disponibilité de données d'entrée à toutes températures depuis l'ambiante jusqu'au-delà de la fusion. Le couplage des premiers modèles électrothermiques avec des modèles mécaniques permet un bon accord entre expérience et simulation. Une fois qu'un modèle a été validé selon tous les domaines physiques concernés, des résultats comme les cycles thermiques, la taille de soudure ou les contraintes, déformations et état métallurgique résiduels peuvent être utilisés pour mieux comprendre le procédé, pour le piloter ou pour modéliser le comportement des soudures.
Corpace, Fabien. "Soudage par résistance du gainage combustible ODS d'un réacteur nucléaire de 4ème génération." Phd thesis, Université Sciences et Technologies - Bordeaux I, 2011. http://tel.archives-ouvertes.fr/tel-00786263.
Gauthier, Élise. "Étude expérimentale et numérique de la dégradation cyclique des électrodes en CuCr1Zr lors du soudage par résistance par point." Lorient, 2014. https://theses.hal.science/tel-01045222.
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Gauthier, Elise. "Etude expérimentale et numérique de la dégradation cyclique des électrodes en CuCr1Zr lors du soudage par résistance par point." Phd thesis, Université de Bretagne Sud, 2014. http://tel.archives-ouvertes.fr/tel-01045222.
Geslain, Edouard. "Soudage par résistance des tôles fines revêtues : formation du noyau dans un assemblage de trois tôles." Thesis, Lorient, 2018. http://www.theses.fr/2018LORIS481/document.
In the automotive industry, the requirements for polluting emissions lead to light vehicles, especially in decreasing the steel sheet thickness. This work in partnership with ArcelorMittal focuses on resistance spot welding of steel sheets. The aim is to identify the phenomena that induce operating weldability difficulties encountered with an asymmetrical stack of three coated steel sheets, including a very thin galvanized sheet of less than 0.6 mm, a sheet of DP600, and a hot stamped Usibor® sheet. Infrared camera observations show that the initial heating takes placeat the interfaces with the Usibor®1500 sheet, and that the nugget appears inside this sheet, away from the thin sheet. The very high values of the electrical and thermal contact resistances, measured at the interfaces with the Usibor®1500 sheet, are due to the Alusi® coating and are at the origin of the strong initial heating at these interfaces. A numerical model, limited to the electro- thermal aspects and developed with COMSOL Multiphysics®, shows that the nugget is initiated very quickly in Usibor®1500 sheet under the effect of adjacent contact resistances, and that its development is driven by the evolutions of the electrode-sheet contact areas. The contact resistances between the electrode and the thin sheet, the welding current evolution, and the curvature radius of electrode tips are the most efficient parameters to be optimized to improve the penetration of the nugget in the thin sheet
Le, Gloannec Brendan. "Modifications microstructurales sous sollicitations thermomécaniques sévères : application au soudage par résistance des gaines de combustibles en aciers ODS." Thesis, Bordeaux, 2016. http://www.theses.fr/2016BORD0367/document.
Oxide dispersion strengthened (ODS) steels are considered as candidate materials for thedevelopment of fuel cladding for sodium-cooled fast reactors (SFR). Resistance upset welding of thecladding is studied in this work. The aim is to determine and to understand the process effects on themicrostructure of ODS steels with 9% and 14% of chromium at the scales of the grains and thenanometric oxides. An approach coupling microstructural characterization of welds, numericalsimulation and physical simulation of the process, using a thermomechanical simulator Gleeble 3500,is proposed. Resistance welding locally imposes severe thermomechanical conditions in terms of strain,strain rate and temperature. Refinement of the microstructure is noted and correspond to a dynamicrecrystallization mechanism (14 % Cr steel) or the combination of dynamic recrystallization and phasetransformations (9 % Cr steel). The conditions of occurrence of dynamic recrystallization are studied.The possibility of a transition between continuous and discontinuous dynamic recrystallization is shownfor the 14 % Cr steel according to the loading conditions. Such severe thermomechanical conditionsinduce an increase in the size of nanoscale oxides associated with a decrease of their volume fraction
Ben, Souda Souad. "Étude du comportement à la rupture de points de soudure par résistance sur tôles en acier extra doux et en acier biphasé." Compiègne, 1986. http://www.theses.fr/1986COMPE055.
Books on the topic "Soudage par résistance SPR":
Siddiquee, Arshad Noor, Sachin Maheshwari, and Namrata Gangil. Composite Fabrication on Age-Hardened Alloy Using Friction Stir Processing. Taylor & Francis Group, 2020.
Siddiquee, Arshad Noor, Sachin Maheshwari, and Namrata Gangil. Composite Fabrication on Age-Hardened Alloy Using Friction Stir Processing. Taylor & Francis Group, 2020.
Siddiquee, Arshad Noor, Sachin Maheshwari, and Namrata Gangil. Composite Fabrication on Age-Hardened Alloy Using Friction Stir Processing. Taylor & Francis Group, 2020.
Book chapters on the topic "Soudage par résistance SPR":
DUPUY, Thomas, Jessy HAOUAS, and Laurent JUBIN. "Soudabilité des aciers à haute résistance." In Le développement des aciers à très haute résistance, 297–323. ISTE Group, 2022. http://dx.doi.org/10.51926/iste.9122.ch10.