Academic literature on the topic 'Mécanisme de forage'
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Journal articles on the topic "Mécanisme de forage"
Hauw, B., L. Dubar, A. Dubois, and J. Oudin. "Comportement mécanique des revêtements de surface en forge à froid." Le Journal de Physique IV 08, PR4 (June 1998): Pr4–243—Pr4–248. http://dx.doi.org/10.1051/jp4:1998430.
Full textHecini, Linda, and Samia Achour. "Coagulation-floculation au sulfate d’aluminium de composés organiques phénoliques et effet de sels de calcium et de magnésium." Revue des sciences de l’eau 27, no. 3 (December 15, 2014): 271–80. http://dx.doi.org/10.7202/1027810ar.
Full textNysenholc, Adolphe. "L'adoption dans Bubelè." Mnemosyne, no. 8 (October 15, 2018): 16. http://dx.doi.org/10.14428/mnemosyne.v0i8.13873.
Full textBouchard, Pierre-Olivier, Nicolas Caillet, and Yvan Chastel. "Vers une optimisation de la tenue à la fatigue de pièces forgées intégrant l’histoire mécanique des matériaux." European Journal of Computational Mechanics, August 14, 2008, 283–301. http://dx.doi.org/10.13052/remn.17.283-301.
Full textDissertations / Theses on the topic "Mécanisme de forage"
Onaisi, Atef. "Mécanismes de rupture d'une plaque percée en mécanique des roches en relation avec un forage pétrolier." Châtenay-Malabry, Ecole centrale de Paris, 1989. http://www.theses.fr/1989ECAP0108.
Full textBourgeon, Ludovic. "Etude et modélisation des mécanismes d'endommagement en forge à froid." Phd thesis, École Nationale Supérieure des Mines de Paris, 2009. http://tel.archives-ouvertes.fr/tel-00451888.
Full textBalcaen, Yannick. "Etude des mécanismes de déformation du titane T40 en formage incrémental." Phd thesis, Institut National Polytechnique de Toulouse - INPT, 2013. http://tel.archives-ouvertes.fr/tel-00934317.
Full textBalcaen, Yannick. "Étude des mécanismes de déformation du titane T40 en formage incrémental." Toulouse 3, 2013. http://thesesups.ups-tlse.fr/2140/.
Full textThe single point Incremental Forming (SPIF) process is an emerging method of sheet metal forming. Unlike to conventional processes which are usually expensive due to tooling and equipment, SPIF involves a small punch with regard to the dimensions of the part and the forming is achieved by piloting the trajectory of the punch. The main obstacle in the development of this technology lies in the difficulty of obtaining precise geometries. The objective of this work is to bring a better understanding of the process, by an original dual experimental approach that aims to link the forming of the part by FI with the microstructural response of the material, here a pure titanium T40. The mechanical and kinematic approach of the process is based on one hand on the measurement of kinematic fields using digital image correlation on the parts surface, and on the other hand on the measurement of the forming forces throughout the forming. Various global strain states of the formed part and local strain state induced by the punch have then been highlighted. Besides, development of strain in the material and forming forces have been linked to several forming parameters. Microstructural analysis of strained sheets were performed using scanning (SEM) and transmission electron microscopy (SEM-TEM and X-rays diffraction (XRD). Electron backscatter diffraction (EBSD) characterization of microstructures highlighted twinning as an accommodation of the process generated strain, the activated twinning systems and their occurrence depending on the strain orientation and level. Observation of the dislocations arrangements in TEM allowed revealing another microstructural signature of the IF on T40
Sorlier, Lefort Elodie. "Développement d'un procédé de graduation des carbures cémentés WC-Co basé sur l'imbibition, amélioration de la durée de vie des taillants de forage." Paris, ENMP, 2009. http://www.theses.fr/2009ENMP1620.
Full textLe, Phuoc Hao. "Comportement des roches autour d'un forage : cas particulier de deux calcaires poreux." Grenoble 1, 1991. http://www.theses.fr/1991GRE10164.
Full textMiguez, Roberto. "Etude du discage : application à la détermination des contraintes in situ lorsque le forage n'est pas chargé." Lille 1, 1990. http://www.theses.fr/1990LIL10192.
Full textKhelifa, Mourad. "Simulation numérique de l'endommagement en formage de structures minces." Troyes, 2004. http://www.theses.fr/2004TROY0013.
Full textThis work deals with the study of a advanced approach for the modelling and the numérical simulation of sheet metal forming processes in order to optimize their technological parameters with respect to the ductile damage occurence. The strong coupling between the anisotropic plastic behaviour with mixed kinematic and isotropic hardening and the ductile damage based on the thermodynamics of the irreversible processes with state variables is used. The theoretical and numerical aspects of the used formulation are described in details. The numerical integration of the model using and iterative implicite scheme combined with the radial return mapping and the reduction of the number of equations is discussed. The equilibrium equations are solved by means of a Static Implicit scheme (SI) or a Dynamic Explicit scheme (DE). An exerimental Database, essentially constitued of specimen tensile tests, is used to identify the model's paramters. In order to validate and to show the strength of the employed methodology to predict with accuracy the damaged zones, numerical simulations of simple and complex sheet metal forming processes are performed. A comparison with experimental results provided by CETIM and ENIM are then carried out. Another comparison between the present methodology and the inverse approach (URCA/GMMS) is also made on some cases
Richard, Julie. "Mécanismes de fluage des failles actives : apport des grands forages et expérimentations de laboratoire." Thesis, Grenoble, 2013. http://www.theses.fr/2013GRENU041/document.
Full textCreep is a ductile deformation mechanism affecting many, if not all, active faults. This mechanism is twofold. First, creep may be permanent, i.e. the deformation takes place through time in a continuous and constant manner. Creep may also appear in a more discontinuous manner, commonly associated with post-seismic deformation. Understanding the origin of both types of creep appears closely connected to understanding the succession of the various stages of the seismic cycle. Our approach is based both on the investigation of natural samples and on laboratory experiments. By doing so, we demonstrate that creep results from a combination of several processes themselves interacting with one another, until the promotion of one particular mechanism. We have established that the most important driving parameters to this convergence were the mineralogical composition of the host rock and its damage state. Within the fault, these parameters change with time, depth and distance from the slip zone. Therefore, the creep mechanisms themselves may change according to the parameters above-mentioned. Our micro-structural approach using SAFOD drill core samples from the San Andreas Fault (California) allowed us to unveil a time-lapsed picture of the deformation sequence in this area. Based on these observations, we suggest a conceptual model for the evolution of creep mechanisms. According to this model, creep is maintained within the fault zone either by the crystallization of low-friction minerals (as shown by the SAFOD samples) or by reaching equilibrium between fracturing and healing, thereby maintaining rock strength below the threshold for important stress loading. In the first scenario, our laboratory experiments showed that if the healing processes become dominant, strength heterogeneities appear within the rock. At the fault scale, these heterogeneities would become numerous enough to lead to a major rupture. These experiments are reasonably similar to what is expected for the San Andreas Fault where permanent creep occurs whereas local asperities are seismic
Bouslimani, Hayet. "Dynamique des trains de tiges de forage, étude des instabilités et du contact tige-puits." Lyon, INSA, 1999. http://www.theses.fr/1999ISAL0066.
Full textThis work is devoted to the dynamic behaviour of the drill-string in the oil well. During drilling, the weight on bit and the effort of cutting generate an axial load and an axial torque in the drill-string. These stresses include a static component and a dynamic component. The dynamic stresses lead to stiffness periodic in time. The equations of the motion consist of a system of differential equations with periodic coefficients. Two problems are studied: the influence of a periodic axial torque which is able to create unstable phenomenon and the interaction between the drill-string and the well. In the first part, the solution of the equations is carried out by factorizing the periodic terms in the base of the Chebyshev polynomials. An experimental device is used to highlight the vibratory phenomena related to parametric instabilities due to the axial torque. The second part concerns the study of the contact between the drill-string and the well. In some cases, this contact will involve in «chaotic” motions. A mechanical model is proposed: it takes into account the motion of bending and torsion as well as the phenomenon of friction between the drill-string and the well. The comparison of experimental results with mechanical models presented validates the software developed
Books on the topic "Mécanisme de forage"
Hyde, Natalie. Pushing and pulling. Catharines, Ontario: Crabtree Publishing Company, 2014.
Find full textLa Musique Mécanique à Nice. Pianos mécaniques, automates, orchestrions. Nice, France.: Michel NALLINO, 2010.
Find full textLaesslé, Melaine-Noé. Le Goût du vin. Créativité institutionnelle, appellations et culture du vin en Suisse et en Nouvelle-Zélande. Éditions Alphil-Presses universitaires suisses, 2018. http://dx.doi.org/10.33055/alphil.03107.
Full textBook chapters on the topic "Mécanisme de forage"
GASC, Jean-Pierre. "De la forme à la fonction." In L’explosion des formes de vie, 33–53. ISTE Group, 2020. http://dx.doi.org/10.51926/iste.9005.ch3.
Full textB. WEITZMAN, Jonathan. "L’émergence de la forme dans l’histoire de l’épigénétique." In L’explosion des formes de vie, 69–81. ISTE Group, 2020. http://dx.doi.org/10.51926/iste.9005.ch5.
Full textBOUHJITI, David, Julien BAROTH, and Frédéric DUFOUR. "Propagation d’incertitudes à l’échelle de structures de génie civil vieillissantes." In Ingénierie mécanique en contexte incertain, 91–119. ISTE Group, 2021. http://dx.doi.org/10.51926/iste.9010.ch3.
Full textConference papers on the topic "Mécanisme de forage"
Dumont d'Ayot, Catherine. "Machines à exposer." In LC2015 - Le Corbusier, 50 years later. Valencia: Universitat Politècnica València, 2015. http://dx.doi.org/10.4995/lc2015.2015.1025.
Full textReports on the topic "Mécanisme de forage"
Marle, Charles-Michel Marle. On Henri Poincaré's Note "Sur une forme nouvelle des équations de la Mécanique". Journal of Geometry and Symmetry in Physics, 2013. http://dx.doi.org/10.7546/jgsp-29-2013-1-38.
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