Academic literature on the topic 'Micro-mécaniques'
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Journal articles on the topic "Micro-mécaniques"
Gautier, R., C. Petit, V. Bolcato, E. Planus, and F. Marchi. "Nouveaux travaux pratiques en nanotechnologies : étude nano-mécanique de micro/nano-objets mous/souples par AFM." J3eA 18 (2019): 1004. http://dx.doi.org/10.1051/j3ea/20191004.
Full text-COLINEAU, Joseph. "Analyse de composants micro-mécaniques par holographie numérique." Revue de l'Electricité et de l'Electronique -, no. 08 (2004): 45. http://dx.doi.org/10.3845/ree.2004.081.
Full textDouarche, Carine, Virginie Bailleux, Catherine Even, Jean-Marc Allain, Christophe Regeard, and Éric Raspaud. "La mécanique des biofilms à la surface de liquides." Reflets de la physique, no. 56 (January 2018): 20–24. http://dx.doi.org/10.1051/refdp/201856020.
Full textMontagne, Alex, Véronique Vitry, Luiza Bonin, Muhammad Zeeshan Mughal, Marco Sebastiani, Edoardo Bemporad, Alain Iost, and Mariana Henriette Staia. "Contraintes résiduelles et comportement mécanique de revêtements nickel-bore." Matériaux & Techniques 107, no. 2 (2019): 205. http://dx.doi.org/10.1051/mattech/2019016.
Full textLadevèze, Pierre, and Gilles Lubineau. "Pont entre les « micro » et « méso » mécaniques des composites stratifiés." Comptes Rendus Mécanique 331, no. 8 (August 2003): 537–44. http://dx.doi.org/10.1016/s1631-0721(03)00130-x.
Full textGrojo, David. "L’émergence de procédés d’écriture laser 3D dans les technologies silicium." Photoniques, no. 112 (2022): 37–42. http://dx.doi.org/10.1051/photon/202211237.
Full textKossman, Stephania, Didier Chicot, and Alain Iost. "Indentation instrumentée multi-échelles appliquée à l’étude des matériaux massifs métalliques." Matériaux & Techniques 105, no. 1 (2017): 104. http://dx.doi.org/10.1051/mattech/2017007.
Full textDumortier, C., P. Lehert, P. Donfut, J. M. Dullier, and J. Marot. "Modélisation statistique des caractéristiques mécaniques des aciers micro-alliés au niobium élaborés aux Forges de Clabecq." Revue de Métallurgie 89, no. 11 (November 1992): 1015–24. http://dx.doi.org/10.1051/metal/199289111015.
Full textGuemidi, Ismahene, Hosni Abderrahmane Taleb, and Yazid Abdelaziz. "Effet de rapport E/C sur le comportement rhéologique et physico-mécanique de Béton à Haute Performance élaboré à base de pouzzolane naturelle." Journal of Engineering and Exact Sciences 10, no. 2 (January 11, 2024): 17490. http://dx.doi.org/10.18540/jcecvl10iss2pp17490.
Full textRey, Francis, Daniel Levacher, and Jean-Louis Quenec'h. "Composites cimentiers à base de mélanges vase-chaux Etude globale de la micro-structure minéralo-organique et des comportements physico-mécaniques." Revue Française de Génie Civil 4, no. 6 (January 2000): 653–81. http://dx.doi.org/10.1080/12795119.2000.9692687.
Full textDissertations / Theses on the topic "Micro-mécaniques"
Xu, Feng. "Propriétés thermo-mécaniques des micro-batteries." Paris 6, 2012. http://www.theses.fr/2012PA066549.
Full textThe miniaturization of electronic devices brings a strong demand for miniaturized power sources. Micro-batteries fit well with this demand. The micro-battery that we studied with the active multilayer system: Ti / a-Si / LiPON / TiOS (lithiated) / Ti has been fabricated by CEA-LITEN. My work is part of the STRESSBAT research project, supported by the French National Research Agency. This project is devoted to the improvement of the electrochemical and thermo-mechanical performances of this type of micro-battery. As the global thermo-mechanical properties of micro-batteries depend on the characteristics of their individual components, my thesis is dedicated primarily to the characterization of mechanical and thermal properties of each of them. We use two techniques both based on "pump-probe" method: picosecond ultrasonics and thermo-reflectance microscopy. Specifically, picosecond ultrasonics allows us to measure the velocities of longitudinal and Rayleigh waves, and if possible, the density of the studied material. These data will help us to deduce some elastic parameters like Young’s modulus and Poisson’s ratio. Thermo-reflectance microscopy allows us to extract the thermal conductivity and diffusivity with the help of the theoretical analysis of lateral heat diffusion. The Ti current collector, LiPON electrolyte, TiOS and a-Si electrodes are studied successively by these two techniques
De, Grave Arnaud. "Conception intégrée de micro systèmes électro-mécaniques." Grenoble INPG, 2004. http://www.theses.fr/2004INPG0090.
Full textMicro Electro-Mechanical Systems (so called MEMS) are products revelant of new emerging technologies. The influence of technology on the development of these microproducts is prominent. An analysis based on applications and manufacturing processes (manufacturing processes that can be reduction of typical mechanical engineering processes or adaptation of microelectronics VLSI processes) leads to a MEMS caracterisation in the field of microproducts. This caracterisation of the products fundamental features authorize an observation and a description of an actual industrial developpement process. The design process appears to be sequential and requires strong manufacturing knowledge at every time. Some steps of this design process have been found to be not optimized, namely the embodiment phase. Some solutions have been proposed regarding representation modes and knowledge management of both scientific and engineering knowledge objects
Dufour, Gaëtan. "Dispositifs hyperfréquences reconfigurables par des mécanismes micro-mécaniques et micro-fluidiques : conception, réalisation, mesures." Thesis, Ecole centrale de Lille, 2017. http://www.theses.fr/2017ECLI0008/document.
Full textAs wireless networks evolve, the frequency bands they exploit multiply. Frequency multiplexing, beamforming and tracking, networks interoperability, those mutations increase the need for agility and tunability in the RF-front end systems. In this thesis, two innovative approaches for the design of tunable RF components are studied. First, a micro-mechanical reconfiguration mechanism is developed. This approach means to control the height of an air gap within the substrate of microstrip components in order to control their electrical dimensions. Considerations for the design and fabrication of a phase-shifter and a frequency tunable patch antenna are made and a low voltage piezoelectric actuation (+/- 30 V) is chosen. The phase-shifter figure of merit reaches up to 312 °/dB which is beyond the state of the art in terms of analogic phase-shifting. Regarding the antenna, the frequency tuning potentially reaches up to 35 \% of a central frequency of 55 GHz. Unlike the classic solidstate or RF-MEMS based solutions, this reconfiguration mechanism does not impact the radiation performance of the antenna whose radiation efficiency is 94 \%. In a second approach, a micro-fluidic solution is studied. Frequency tuning capability is created in different antennas by the flow of successive liquids with different permittivities in integrated micro-channels. A large frequency tuning of 51 \% for a central frequency of 22 GHz is achieved. This study goes along with the search and characterization of several fluids with the objective of increasing both the frequency shift and the radiation performance of those antennas
Jourlin, Yves. "Codeur optique miniature de haute résolution pour (micro)systèmes électro-mécaniques." Saint-Etienne, 2000. http://www.theses.fr/2000STET4013.
Full textThe displacement measurement technology of diffractive interferometry has been developed in the objective of miniaturization. This work encompasses the manufacturing technologies of the grating scale and the submicron period readout grating, the design and MPW fabrication of a dedicated Opto-ASIC. The interference principle has been implemented in the form of a miniature read head prototype according to a novel device configuration after an exhaustive discussion on the fabrication and mouting tolerances has been made. The prototype is now ready for use in an electro-mechanical system. The system has been used as a high resolution characterization tool for the testin of the spatial coherence of long grating scales
Murthi, Arian. "Conception optimale de systèmes mécaniques : application aux micro-structures en silicium." Paris 12, 1997. http://www.theses.fr/1997PA120006.
Full textTran, Quoc Thang. "Propriétés mécaniques et micro-structure d'alliages industriels d'aluminium prédéformés par laminage." Grenoble INPG, 1986. http://www.theses.fr/1986INPG0136.
Full textIbrahim, Nidal. "Caractérisation des propriétés mécaniques des géomatériaux par technique de micro indentation." Thesis, Lille 1, 2008. http://www.theses.fr/2008LIL10048/document.
Full textThe technology of micro indentation is one of the techniques ofmateriaJ characterization (by using small specimens) in various fields (mechanical engineering, civil engineering, oil industry, and pharmaceutical industry). Its main advantage lies in a certain number of practical requirements as regards the solution to the problem of small specimens. The present study is devoted the characterization of the mechanical properties of geomaterials, especially rocks involved in petroleum engineering. After having presented the methodology of the indentation test for isotropic rocks, we developed a semi-analytical method based on the use of Green function to characterize transverse isotropic rocks (five elastic parameters of these rocks). The influence of the various loadings (mechanical, thermal, hydrous) on the rock mechanics properties was studied by using the technology of micro indentation and the methodology proposed for isotropic transverse were used. Moreover, we characterize the failure parameters (C and f) by a combined approach of the indentation test and a test of micro compression (MCS) carried out the indentation device. Finally, we use inverse analysis in order to identify the parameters of a Drucker Prager mode!. ln the absence of a direct solution of the problem of indentation (in plastic regime), we had recourse to a numerical modelling by a finite element code (ABAQUS) to determine the calculated curve of indentation. This determination appeared completely convincing and moreover was validated by a simulation of triaxial compression tests on the same material
Buchaillot, Lionel. "Contribution à l'introduction de concepts mécaniques dans les Micro et Nano Systèmes." Habilitation à diriger des recherches, Université des Sciences et Technologie de Lille - Lille I, 2004. http://tel.archives-ouvertes.fr/tel-00087273.
Full textDans la suite de cette introduction, quelques précisions sont données sur la terminologie de notre domaine de recherche, puis un bref historique retrace le développement de la recherche sur les microsystèmes dans le monde et en France.
Outre cette introduction, ce rapport se compose principalement de trois chapitres. Le premier, consacré aux micro-actionneurs, présente une partie des travaux effectués sur des études conceptuelles exploitant le potentiel de différents modes d'actionnement : transition de phase; électrostatique et thermique.
Le second chapitre décrit les activités de recherche effectuées dans le thème applicatif des microsystèmes pour les télécommunications. Il s'agit de travaux soutenus par de nombreux contrats de recherche nationaux ou européens. Deux composants en particulier ont été étudiés par trois doctorants. Emmanuel Quévy a étudié des résonateurs électromécaniques destinés à une application de filtrage dans la gamme intermédiaire de fréquence de la téléphonie mobile. Vincent Agache a étudié des résonateurs dont les fréquences propres se situent au voisinage du GHz. Les premières recherches effectuées à l'IEMN sur des microcommutateurs pour les signaux hyperfréquences sont également présentées
Le troisième chapitre est dédié aux résultats obtenus par Olivier Millet sur l'évolution de la raideur de microstructures soumises à un chargement cyclique. Il s'agit d'une partie de l'étude transversale des mécanismes de défaillance des microsystèmes destinée à la modélisation du phénomène de fatigue dans les microstructures.
Enfin, quelques perspectives de recherche impliquant les micro-actionneurs dans les microsystèmes seront présentées, suivies d'une conclusion
Abbes, Khemissi. "Etude des propriétés micro-mécaniques des verres fluorés à base de ZrF4." Lyon, INSA, 1987. http://www.theses.fr/1987ISAL0073.
Full textLange-Chèze, Hélène. "Influence des contraintes mécaniques tangentielles sur la viabilité de trois micro-organismes." Toulouse, INPT, 1994. http://www.theses.fr/1994INPT051G.
Full textBooks on the topic "Micro-mécaniques"
Luc, Mayaud Jean, Henry Philippe, and Groupe franco-suisse de recherche en histoire de l'horlogerie et des micro-mécaniques., eds. Horlogeries, le temps de l'histoire: Actes du séminaire du Groupe franco-suisse de recherche en histoire de l'horlogerie et des micro-mécaniques, Neuchâtel-Besançon, 1993-1994. Besançon: Annales littéraires, 1995.
Find full textMicro And Macromechanical Properties Of Materials. Taylor & Francis Inc, 2013.
Find full textConference papers on the topic "Micro-mécaniques"
Desoutter, A., A. G. Bodard, S. Langonnet, S. Salino, and J. C. Bera. "Développement d’un modèle expérimental d’irradiation de mandibule de lapin. Intérêt dans l’évaluation de nouvelles techniques de traitement ou prévention de l’ORN." In 66ème Congrès de la SFCO. Les Ulis, France: EDP Sciences, 2020. http://dx.doi.org/10.1051/sfco/20206603023.
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