Academic literature on the topic 'Caractérisation de matériaux complexes'
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Journal articles on the topic "Caractérisation de matériaux complexes"
Ben Salk, S., E. Pallecchi, V. Hoel, and H. Happy. "Croissance et caractérisation de graphène au Pôle CNFM de Lille." J3eA 18 (2019): 1003. http://dx.doi.org/10.1051/j3ea/20191003.
Full textChikh-Bled, M., F. Benkhenafou, P. Sandoz, R. Devillers, and G. Tribillon. "Surfométrie appliquée à la caractérisation des matériaux." Matériaux & Techniques 92, no. 10-11-12 (2004): 15–22. http://dx.doi.org/10.1051/mattech:2004043.
Full textDurrieu, M. C. "Conception, élaboration et caractérisation de matériaux bioactifs." ITBM-RBM 26, no. 3 (June 2005): 229–37. http://dx.doi.org/10.1016/j.rbmret.2005.04.004.
Full textBouvet, Adrien, Didier Demange, Philippe Herve, and Rachid Bennacer. "Caractérisation thermo-physique des matériaux thermo-dégradables." Mécanique & Industries 7, no. 3 (May 2006): 317–22. http://dx.doi.org/10.1051/meca:2006045.
Full textMercier, Julien, Anthony Bunsell, Philippe Castaing, and Jacques Renard. "Caractérisation et modélisation du vieillissement de matériaux composites." Revue des composites et des matériaux avancés 15, no. 2 (August 23, 2005): 189–219. http://dx.doi.org/10.3166/rcma.15.189-219.
Full textRousseau, J. J., and J. P. Masson. "Appareillage de caractérisation de matériaux magnétiques pour l'électrotechnigue." Revue de Physique Appliquée 23, no. 5 (1988): 947–54. http://dx.doi.org/10.1051/rphysap:01988002305094700.
Full textMalherbe, S., S. Benayoun, A. Morel, and A. Iost. "Caractérisation mécanique de matériaux élastoplastiques – utilisation d’indenteurs axisymétriques." Matériaux & Techniques 93, no. 7-8 (July 2005): 213–28. http://dx.doi.org/10.1051/mattech:2005010.
Full textBRISSAUD, M. "NOUVELLES PROCÉDURES TRIDIMENSIONNELLES DE CARACTÉRISATION DES MATÉRIAUX PIÉZOÉLECTRIQUES." Le Journal de Physique Colloques 51, no. C2 (February 1990): C2–579—C2–582. http://dx.doi.org/10.1051/jphyscol:19902136.
Full textDjoudi, Tarek, Mabrouk Hecini, Daniel Scida, Youcef Djebloun, and Belhi Guerira. "Caractérisation physique et mécanique du bois et des fibres issus d’une palme mûre de palmier dattier." Matériaux & Techniques 106, no. 4 (2018): 403. http://dx.doi.org/10.1051/mattech/2018056.
Full textKeyvin, Vincent, Alain Bourmaud, Cédric Bernard, Célia Caër, Vincent Le Saux, and Cédric Pouvreau. "Retour sur le colloque « Indentation 2021 »." Matériaux & Techniques 110, no. 2 (2022): N1. http://dx.doi.org/10.1051/mattech/2022028.
Full textDissertations / Theses on the topic "Caractérisation de matériaux complexes"
Bouzzit, Aziz. "Ellipsométrie acoustique pour le suivi et la caractérisation de matériaux complexes." Electronic Thesis or Diss., CY Cergy Paris Université, 2024. http://www.theses.fr/2024CYUN1304.
Full textComplex materials are at the heart of major societal challenges in most major fields such as energy, transport, environment, heritage conservation/restoration, health and safety. Because of the opportunities for innovation offered in terms of features, these materials are giving rise to new problems of multi-physical and multi-scale analysis and understanding. The same applies to the instrumentation needed to characterize them.Acoustic methods, which are widely used in the non-destructive characterization of complex media, make use of the propagation properties of mechanical waves in these materials, which can be heterogeneous and anisotropic.In a multi-scale approach, the advantage of ultrasonic methods is that they are particularly sensitive to mechanical properties such as elasticity, rigidity and viscosity. The heterogeneous and multiphase nature of a complex medium thus leads to the notion of a viscoelastic medium, characterized by generalized complex Lamé coefficients (��∗, ��∗) and their variation as a function of frequency.The objective of this thesis is to develop a method for characterizing these complex viscoelastic materials that simultaneously measures the variation of the two generalized complex Lamé coefficients (��∗, ��∗) versus the frequency. The proposed approach is to follow, in space and in time, the propagation of the Rayleigh wave and to extract its ellipsometric parameters (ellipticity χ and orientation θ) in addition to the propagation parameters (k' and k'') conventionally determined. Based on the wave detection by 3D laser vibrometry at the surface of the complex material, and by means of 2D Gabor analysis in Quaternion space, the estimation of propagation and ellipsometric parameters gives access to the complete characterization of the complex material only by studying the interaction of a Rayleigh wave with the medium.The theoretical developments proposed in this work, together with experimental and simulation results, confirm the value of acoustic ellipsometry for characterizing these complex materials
Walti, Olivier. "Contribution à la caractérisation des matériaux magnétiques soumis à des ondes complexes." Lille 1, 1995. http://www.theses.fr/1995LIL10078.
Full textDelaunay, Wylliam. "Synthèse et caractérisation de nouveaux matériaux organophosphorés pour des applications en optoélectronique." Phd thesis, Université Rennes 1, 2013. http://tel.archives-ouvertes.fr/tel-00942602.
Full textWang, Yu. "Développement d'un capteur magnéto acoustique on-chip pour la caractérisation des matériaux complexes." Thesis, Cergy-Pontoise, 2014. http://www.theses.fr/2014CERG0717/document.
Full textAcoustic and electromagnetic waves are key probing candidates for characterizing their propagation media with minimum perturbation. Often used with independent sensors based on specialized transducing materials, the approach developed here provides an on-ship multimodal sensor using the same sensing material for probing the acoustic and electromagnetic properties of the material. To meet a wide range of applications, the choice of the active piezoelectric element is carried out on an AT cut quartz. The study focuses on the steps leading in fine to an on-chip magneto-acoustic sensor with a contactless excitation.The theoretical study of a magneto-acoustic sensor inductively excited and loaded by a viscous fluid is first carried out. This sensor consists of three elements: a radio frequency (RF) sensor, a high quality factor RF resonator and a quartz on which two ring electrodes have been deposited. The complex viscosity of the studied material is derived from the electrical impedance of the complete system. The measurements carried on etalon viscoelastic materials show a good agreement with the theoretical results.The integration of the RF resonator on the piezoelectric element being via circular electrodes, a preliminary study is performed for determining the acoustic waves that can be generated in the quartz and their interaction with the electrodes. The laser vibrometry measurements indicate that Lamb waves are generated in a wide frequency range, from 100 kHz to 20 MHz. The analysis of the spatial pulse response of the sensor surface by 3D Gabor transform locates the source of these waves on the edge of the electrodes. Furthermore, the study of the disk at it fundamental frequency points out the high nonlinear mechanical behavior of the quartz.The plane RF multi-turn resonator and its integration on the quartz disk of the magneto-acoustic on-chip sensor are then studied. The experimental results of impedance and laser vibrometry measurements validate the proposed theoretical model. The selected frequency range (between 5 and 20 MHz) allows one to consider micro rheological measurements
Bottois, Paul. "Caractérisation de matériaux composites sur structures à géométries complexes par problème inverse vibratoire local." Thesis, Le Mans, 2019. http://www.theses.fr/2019LEMA1026/document.
Full textComposite materials have high stiffness for a low mass. Common methods to represent the vibratory behavior of these materials are often not appropriate, as they do not characterize the material being shaped. However, the dynamic properties of the material can vary during its manufacture and can be dependent on space. New approaches are therefore needed to better understand these phenomena.The approach proposed in this thesis uses a local inverse method, strongly inspired by the FAT (Force Analysis Technique) for the identification of material properties. This work proposes to extend the scope of this method to composite structures with complex geometry, replacing the analytical operator with a Finite Element operator. Composite materials are then considered homogeneous and their properties are sought. In the case of a complex geometry two pairs of parameters are identified, the homogenized Young's modulus of complex traction and the homogenized Young's modulus of complex bending, resulting from the coupling between the longitudinal and transverse movements. As inverse methods are known to be sensitive to measurement uncertainties, a probabilistic approach is presented to regularize measurement noise. The regularization is then automatic and does not require any parameters to be adjusted.The identification of structural parameters, which can be global or local, is presented on straight beams, curved beams, plates and shells
Ndiaye, Mame Cheikh Anta. "Caractérisation en solution et étude théorique d’un polyoxomolybdate géant à base de 132 atomes de molybdène." Strasbourg, 2010. http://www.theses.fr/2010STRA6093.
Full textUnderstanding the structures formed by water molecules at the nanoscale is a major scientific challenge requiring close cooperation between physicists, chemists and biologists. This work focuses an the chemistry of aqueous polyoxomolybdates to develop negatively charged porous inorganic nanocapsules displaying varied polyhedral shapes. The supramolecular organization of water mole cules confined to the nanometer scale was studied in the solid state using single crystal X-ray diffraction and the PACHA algorithm. In this work we have synthesized and characterized a nanoscale object in solution, the polyoxometalate (POM) Mol32-ACET. By tH NMR and BC spectroscopy, small angles neutron scattering and quasi-elastic neutron scattering (spin echo) to access to the dynamics of the water encapsulated as a nanodroplet of 1 nm radius. Another part of this work was to understand the mechanism of self-assembly of these objects using theoretical tools derived from the theory of density functional theory (DFT) or using the PACHA (Partial Charges Analysis) software developed in the laboratory
Rousseau, Theodulf. "Elaboration et caractérisation de cellules solaires organiques à base de nouvelles classes de matériaux actifs." Angers, 2011. http://tel.archives-ouvertes.fr/tel-00984367.
Full textThis work deals with the preparation and characterization of organic solar cells based on novel classes of soluble molecular donors. The first chapter is devoted to the study of bulk heterojunction organic solar cells based on poly(3-hexylthiophene) and a soluble derivative of fullerene C60. This type of device is used as a model system to analyze the various experimental parameters involved in the fabrication and optimization of organic solar cells. The experimental procedures defined on the basis of these studies have been subsequently applied to the evaluation of two classes of molecular donors namely diketopyrrolopyrrole (DPP) and boron dipyrromethene (BODIPY). The work on DPP-based donors involved the fabrication of various series of bilayer and bulk heterojunction solar cells. The results of these investigations have led to interesting performances and to a better understanding of structure-properties relationships in this family of molecular donors. The last part of this work concerned the study and realization of solar cells based on an original class of molecular donors derived from BODIPY. The characterization of the electronic properties of different families of BODIPYs as well as the preparation and study of several series of solar cells have led to important progress, and power conversion efficiencies among the highest reported so far for molecular BHJ solar cells based on soluble C60 derivative have been obtained. Furthermore, first evidences of cooperative effects in molecular BHJ using multiple donors have also been presented
Larcher, Nicolas. "Contribution à la caractérisation des matériaux au comportement viscoélastique par méthode ultrasonore : application aux matériaux bitumineux." Limoges, 2014. https://aurore.unilim.fr/theses/nxfile/default/4c5e3d35-135f-4f27-ba5b-d15f37e910cf/blobholder:0/2014LIMO4006.pdf.
Full textThis work deals with a laboratory test applied to the thermo viscoelastic materials in particular the bituminous materials. Today, the mechanical characterization of the bituminous materials is very expensive in time, material and equipment. The aim of this study is to propose an alternative to the mechanical test by a Non Destructive Test (NDT) based on ultrasonic wave measurements. The materials of this study, a binder and two asphalt concretes, have been developed by Eiffage Travaux Publics company. These asphalt concretes are otherwise to improve the mechanical properties by an optimization the granular skeleton of the bituminous materials. This study focuses to the different methods of determination of the acoustic parameters like velocity and attenuation factor. Moreover, their frequency dependence is highlighted. Experimental data, obtained with the standard mechanical modulus test, have been taking into account as the reference and plotted in term of master curves and complex representations as Cole – Cole and Black spaces. A rheological model (2S2P1D) which has a continuum spectrum, is fitted to the mechanical representation. The ultrasonic characterization of the materials is based on two aspects : on one side the determination of phase velocity and attenuation factor of compression and shear waves, on the other side the theory of 2D wave propagation in elastic and viscoelastic medium which allows to determining mechanical properties (G*, E*, v*). A good agreement is showed between the ultrasonic data, the mechanical characterization and the rheological prediction. The complex representations which are based on the expression of real and imaginary parts of the complex modulus and the phase angle, are the major contribution of the hypothesis of wave propagation in a viscoelastic medium for the utilization
Molina, Émilie. "Matériaux hybrides mésoporeux fonctionnalisés par des polymères : élaboration, caractérisation physico-chimique et applications biomédicales." Thesis, Montpellier, Ecole nationale supérieure de chimie, 2015. http://www.theses.fr/2015ENCM0024.
Full textMesostructured hybrid materials were prepared by using original silica-structuring agents, which are polyion complex (PIC) micelles. A great advantage of PIC micelles is that they can be reversibly assembled in aqueous solution by varying physico-chemical parameters. PIC micelles are formed by electrostatic complexation between a neutral-anionic double-hydrophilic block copolymer (DHBC) and an oppositely charged agent of micellization; here a poly(ethylene oxide)-b-poly(acrylic acid) PEO-b-PAA (synthesized by controlled radical polymerization by atom transfer ATRP) and commercial polyamines (oligochitosan OC or aminoglycoside antibiotics) were respectively used. First, the influence of various parameters (pH, temperature, concentration) on PIC micelle association properties was investigated in aqueous solution. Then, the effect of these parameters on the silica mesostructuring process was studied, it provides a better understanding of the formation mechanisms. It was shown that varying interactions between constituents allows to control the mesostructure (hexagonal, lamellar, wormlike) and the material morphology (nanoparticle, microparticle). Finally, the versatility of the approach has been demonstrated with PEO-b-PAA/aminoglycoside systems. Drug-loaded ordered mesostructured materials were prepared following a one-pot route. Moreover, taking advantage of the high degree of functionality of DHBC polymers and of the reversibility of the micellization, polyacid-functionalized mesoporous materials were directly prepared by selectively extracting the micellization agent. PAA-functionalized silica materials were then used to complex diverse active entities such as drugs, whose delivery could be pH-controlled
Nurit, Marvin. "numérisation et caractérisation de la réflectancelocale des surfaces complexes pour l'inspection visuelle." Electronic Thesis or Diss., Bourgogne Franche-Comté, 2022. http://www.theses.fr/2022UBFCK112.
Full textMastering the visual perception of the surfaces of manufactured products is a central issue for industry. However, in industry, the quality of surfaces is often assessed by human inspectors. Only a few specific cases use an instrumental or photometric approach. Among the photometric approaches, one of them is experiencing significant growth: Reflectance Transformation Imaging (RTI). The RTI makes it possible to obtain a reduced and simplified estimate of the Bidirectional Reflectance Distribution Function (BRDF) and an estimate of the geometry of the surface. However, this technique has limitations in terms of data acquisition and processing. The objective is therefore to correct some of these limits in order to improve the RTI and, consequently, the visual quality control of surface conditions in industry.One of these limitations is the large amount of data, complex to analyze, obtained with an RTI acquisition. We propose a methodology to characterize the appearance of surfaces from RTI measurements. The characterization of surface states is based on the use of appearance, statistical and geometric descriptors. From the descriptors extracted from the RTI acquisitions, we propose a method to estimate the multi-scale and multi-level visual salience in each pixel and thus make it possible to discriminate surface anomalies. A methodology, to segment RTI data using salience, is then applied to an application case. The method makes it possible to determine the most relevant descriptors for segmentation. Distance calculation is extended to RTI acquisitions in order to compare surface states. These methods are based on the Mahalanobis distance using the descriptors.Another limitation of RTI is measurement bias. Some descriptors are invariant to these measurement biases except that of the exposure time for which no descriptor is insensitive. We then propose to use High Dynamic Range (HDR) coupled with RTI (HD-RTI). The coupling is done in such a way as to take into account the specificities of each of the techniques in order to optimize the RTI acquisition time while allowing the full measurement of the Dynamics of the scene in each angular position of the light source. With HD-RTI stereo-photometric data, we can virtually reconstruct the scene by simulating an arbitrary exposure time, but also better characterize and therefore discriminate surface anomalies
Books on the topic "Caractérisation de matériaux complexes"
W, Bruce Duncan, and O'Hare Dermot, eds. Inorganic materials. 2nd ed. Chichester: Wiley, 1996.
Find full textMartin, Jean-Luc, and Amand George. Caractérisation 199800000expérimentale des matériaux, tome II : Analyse par rayon X, électrons et neutrons. Presses polytechniques et universitaires romandes, 1997.
Find full textDuncan W. Bruce (Editor, Author) and Dermot O'Hare (Editor Author), eds. Inorganic Materials, 2nd Edition. 2nd ed. John Wiley & Sons, 1996.
Find full textSIMON, Guilhem, ed. Spectroscopies vibrationnelles. Editions des archives contemporaines, 2020. http://dx.doi.org/10.17184/eac.9782813002556.
Full textYamada, Isao. Materials Processing by Cluster Ion Beams: History, Technology, and Applications. Taylor & Francis Group, 2019.
Find full textMaterials Processing by Cluster Ion Beams: History, Technology, and Applications. Taylor & Francis Group, 2015.
Find full textYamada, Isao. Materials Processing by Cluster Ion Beams: History, Technology, and Applications. Taylor & Francis Group, 2015.
Find full textYamada, Isao. Materials Processing by Cluster Ion Beams: History, Technology, and Applications. Taylor & Francis Group, 2015.
Find full textYamada, Isao. Materials Processing by Cluster Ion Beams: History, Technology, and Applications. Taylor & Francis Group, 2015.
Find full textBook chapters on the topic "Caractérisation de matériaux complexes"
Barrandon, Jean-Noël. "Contraintes et difficultés de la caractérisation des encres." In Matériaux du livre médiéval, 275–78. Turnhout: Brepols Publishers, 2010. http://dx.doi.org/10.1484/m.bib-eb.3.4508.
Full textPalazzo-Bertholon, Bénédicte. "La nature des stucs entre le ve et le xiie siècle dans l’Europe médiévale: confrontation de la caractérisation physico-chimique des matériaux aux contextes géologiques, techniques et artistiques de la production." In Bibliothèque de l'Antiquité Tardive, 13–48. Turnhout: Brepols Publishers, 2006. http://dx.doi.org/10.1484/m.bat-eb.3.129.
Full textGENTILS, Aurélie, Stéphanie JUBLOT-LECLERC, and Patrick SIMON. "Caractérisation des dommages d’irradiation." In Les matériaux du nucléaire sous irradiation, 273–96. ISTE Group, 2024. http://dx.doi.org/10.51926/iste.9148.ch10.
Full text"3 Les moyens de caractérisation des ruptures." In La rupture des matériaux, 27–32. EDP Sciences, 2003. http://dx.doi.org/10.1051/978-2-7598-0124-4.c004.
Full textLemaitre, Jean, Jean-Louis Chaboche, Ahmed Benallal, and Rodrigue Desmorat. "3. Classification rhéologique et caractérisation du comportement des solides réels." In Mécanique des matériaux solides, 75–113. Dunod, 2020. http://dx.doi.org/10.3917/dunod.lemai.2020.01.0075.
Full textPoupeau, Gérard, François-Xavier Le Bourdonnec, and Ludovic Bellot-Gurlet. "Caractérisation et circulation de l’obsidienne." In Circulation et provenance des matériaux dans les sociétés anciennes, 9–34. Editions des archives contemporaines, 2014. http://dx.doi.org/10.17184/eac.4090.
Full textBLIVI, Adoté Sitou, Benhui FAN, Djimédo KONDO, and Fahmi BEDOUI. "Technique de caractérisation morphologique des polymères nanorenforcés." In Nanocomposites, 49–71. ISTE Group, 2021. http://dx.doi.org/10.51926/iste.9031.ch2.
Full textNovion, C. H. de, and F. Ott. "2 Intérêt des neutrons dans la caractérisation des matériaux." In Rayonnement synchrotron, rayons X et neutrons au service des matériaux, 13–42. EDP Sciences, 2020. http://dx.doi.org/10.1051/978-2-7598-0863-2-005.
Full textNovion, C. H. de, and F. Ott. "2 Intérêt des neutrons dans la caractérisation des matériaux." In Rayonnement synchrotron, rayons X et neutrons au service des matériaux, 13–42. EDP Sciences, 2020. http://dx.doi.org/10.1051/978-2-7598-0863-2.c005.
Full textPalazzo-Bertholon, Bénédicte. "Annexe D. Compléments d’études pour la caractérisation des matériaux employés." In Les stucs de l’antiquité tardive de Vouneuil-sous-Biard (Vienne), 195–207. CNRS Éditions, 2009. http://dx.doi.org/10.4000/books.editionscnrs.47635.
Full textConference papers on the topic "Caractérisation de matériaux complexes"
Delaye, Philippe, and Gérald Roosen. "Matériaux photoréfractifs." In Élaboration et caractérisation des cristaux massifs et en couches minces pour l'optique. Les Ulis, France: EDP Sciences, 2003. http://dx.doi.org/10.1051/bib-sfo:2002817.
Full textKermouche, Guillaume. "Mécanique des surfaces des matériaux métalliques : caractérisation et traitements." In Etats de surface dans les réacteurs nucléaires : enjeux, avancées et perspectives. Les Ulis, France: EDP Sciences, 2017. http://dx.doi.org/10.1051/jtsfen/2017eta04.
Full textNdiaye, Oumy, Michaël Charles, Djamel Allal, and Bertrand Bocquet. "Caractérisation électromagnétique des matériaux pour des applications industrielles jusqu’à 110 GHz." In 16th International Congress of Metrology. Les Ulis, France: EDP Sciences, 2013. http://dx.doi.org/10.1051/metrology/201311004.
Full textANGER, Baptiste, François THERY, and Daniel LEVACHER. "Pour une caractérisation minimale des sédiments fins : application d’une démarche pour leur valorisation en matériaux routiers." In Journées Nationales Génie Côtier - Génie Civil. Editions Paralia, 2012. http://dx.doi.org/10.5150/jngcgc.2012.107-a.
Full textMangin, Jacques. "Métrologie des propriétés optiques de matériaux massifs : absorption résiduelle, coefficients thermo-optiques, piézo-électriques et électro-optiques." In Élaboration et caractérisation des cristaux massifs et en couches minces pour l'optique. Les Ulis, France: EDP Sciences, 2003. http://dx.doi.org/10.1051/bib-sfo:2002811.
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