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Добірка наукової літератури з теми "Approche par fibres intégrées"
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Статті в журналах з теми "Approche par fibres intégrées"
Turcotte, Louis, Robert Bastien, Carole Clavier, and Yves Couturier. "Ce que nous apprend le travail des agents pivots sur les approches intégrées : analyse exploratoire du cas de l’approche école en santé." Service social 57, no. 2 (October 21, 2011): 55–73. http://dx.doi.org/10.7202/1006293ar.
Повний текст джерелаMeystre, Claudia, Ueli Kramer, Yves de Roten, Luc Michel, and Jean-Nicolas Despland. "Assimilation des expériences problématiques : une étude de cas de psychothérapie psychodynamique limitée dans le temps." Santé mentale au Québec 36, no. 2 (April 2, 2012): 181–99. http://dx.doi.org/10.7202/1008596ar.
Повний текст джерелаPrévil, Carlo, Benoît St-Onge, and Jean-Philippe Waaub. "Aide au processus décisionnel pour la gestion par bassin versant au Québec : étude de cas et principaux enjeux." Cahiers de géographie du Québec 48, no. 134 (November 14, 2005): 209–38. http://dx.doi.org/10.7202/011682ar.
Повний текст джерелаDuru, Michel, and Olivier Therond. "One Health (Une seule santé) pour concevoir des alternatives crédibles aux défaillances des systèmes alimentaires." Cahiers Agricultures 33 (2024): 18. http://dx.doi.org/10.1051/cagri/2024016.
Повний текст джерелаKIM, Jeongnan. "L'enseignement des langues étrangères dans une société hyperconnectée: axé sur l'enseignement du français." Societe d'Etudes Franco-Coreennes 104 (April 30, 2024): 59–83. http://dx.doi.org/10.18812/refc.2024.104.59.
Повний текст джерелаLaksimi, Abdelouahed, Lahsen Bounouas, Salim Benmedakhene, Zitoun Azari, and Abdellatif Imad. "Endommagement d'un composite polypropylène renforcé par des fibres de verre courtes : approche expérimentale." Comptes Rendus de l'Académie des Sciences - Series IIB - Mechanics 328, no. 9 (September 2000): 651–56. http://dx.doi.org/10.1016/s1620-7742(00)01249-6.
Повний текст джерелаPopineau, Joëlle. "Traduire des technolectes juridiques ou jurilectes dans la presse française et anglaise : approche juritraductologique et terminologique." Meta 66, no. 2 (November 2, 2021): 427–50. http://dx.doi.org/10.7202/1083186ar.
Повний текст джерелаCardinal, Thierry, Matthieu Lancry, Lionel Canioni, Bertrand Poumellec, and Wilfried Blanc. "Fonctionnaliser le verre pour de nouvelles propriétés optiques." Reflets de la physique, no. 74 (December 2022): 70–75. http://dx.doi.org/10.1051/refdp/202274070.
Повний текст джерелаHarmel, J., R. Tan, Ch Capello, Ch Rouabhi, F. Gessinn, J. Schauber, J.-B. Lincelles, and M. Respaud. "Les principes de la chimie verte pour une électronique plus durable : une nouvelle approche de la synthèse chimique de nanoparticules d’oxyde de tungstène WO3 intégrées dans un capteur de gaz." J3eA 23 (2024): 1010. http://dx.doi.org/10.1051/j3ea/20241010.
Повний текст джерелаRenaud, Louis, Pascal Kleimann, Ondine Dispagne, Luc Denoroy, Patrick Pittet, R. Ferigno, and Pierre Morin. "Microsystèmes de séparation électrophorétique en PDMS avec détection de fluorescence par fibres optiques intégrées application à la séparation d’aminoacides." La Houille Blanche, no. 4 (July 2006): 45–50. http://dx.doi.org/10.1051/lhb:200604006.
Повний текст джерелаДисертації з теми "Approche par fibres intégrées"
Vassalié, Anthony. "Description et modélisation de l’endommagement d’un composite à matrice céramique sous sollicitations thermomécaniques." Electronic Thesis or Diss., Bordeaux, 2024. http://www.theses.fr/2024BORD0259.
Повний текст джерелаCeramic matrix composites (CMCs) are materials of interest in the field of aeronautic because of their exceptional mechanical properties at elevated temperatures, making them promising candidates to replace metal alloys in high-temperature components of aircraft engines. Nevertheless, these materials also exhibit a complex behavior, especially because they are multi-scale, architectured and heterogeneous. In this context, this work tends to improve the understanding of the mechanical behavior under tension of CMCs composed of fibers and matrix made of silicon carbide, with a Melt Infiltration process (named SiC/SiC MI). To better understand the effects of microscopic phases on the macroscopic behavior until the final failure of the material, two distinct but complementary axis are explored : the mechanical characterizing of the damage of these CMCs and their modelling with a finite element method. Firstly, multi-instrumented tensile tests are carried out (acoustic emissions, digital image correlation, microscope, etc.), to obtain a better description of the phenomenon at micro-scale and their effects on upper scales. Post-mortem characterization are also performed in order to quantify the properties of the microscopic phases, which are of great interest to develop the numerical model. Thus, a damage scenario until the final failure is proposed for SiC/SiC MI materials. In a second part, a genuine finite element model approach, with embedded fiber, is proposed to simulate the mechanical behavior of these materials. Based on experimental observations, mechanisms of interest at micro-scale are selected and implemented in the model directly at upper scales. The developed approach demonstrates the ability to capture both the main damage phenomenon at micro-scale and the meso-scale behavior of CMCs, in good agreement with experimental results, offering a valuable tool for understanding and predicting their mechanical behavior until the final failure, and paving the way for further developments
Haramburu, Eric. "Approche intégrée du dimensionnement mécanique de structures en composite injecté avec fibres courtes : une interface entre injection et calcul de structure." Toulouse 3, 2003. http://www.theses.fr/2003TOU30048.
Повний текст джерелаEsmaeillou, Bardia. "Approche cinétique du comportement en fatigue du Polyamide 66 renforcé par 30% de fibres de verre." Phd thesis, Paris, ENSAM, 2011. http://pastel.archives-ouvertes.fr/pastel-00603374.
Повний текст джерелаNlandu, Hervé Mayamba. "Extraction et prétraitement de fibres naturelles de lin par une approche enzymatique combinée au CO2 supercritique." Doctoral thesis, Université Laval, 2019. http://hdl.handle.net/20.500.11794/35283.
Повний текст джерелаThe main goal of this research was to set up an environmentally friendly process for the pretreatment of natural flax fibres in view to produce lignocellulosic nanofibers and modify their surface for their use as compatible fillers in polymer composites. To achieve this main objective, lignocellulosic nanosized flax fibres were prepared using an environmentally friendly process based on a combination of supercritical carbon dioxide pretreatment and enzymatic hydrolysis conditions. Supercritical CO2 pretreatment aimed to overcome the recalcitrance of lignocellulosic biomass and to provide access to hydrolytic enzymes. It was shown that the supercritical CO2 pretreatment of raw flax fibers helped to deconstruct biomass, avoiding its fractionation and increased access to hydrolytic enzymes such as cellulase, xylanase, pectinase and viscozyme leading to extraction of lignocellulosic fibres having nanometric dimensions. These extracted lignocellulosic nanofibres as well as the solid residues of the hydrolysis are hydrophilic in nature because of the attraction / interaction between the hydroxyl groups of the fibrous components and water molecules. The hydrophilic nature of these lignocellulosic nanofibers often results in poor compatibility with hydrophobic polymeric matrices. Surface modification is therefore necessary to make them more hydrophobic and compatible with the hydrophobic matrices. Laccase mediated grafting of natural phenolic compounds, i.e. guaiacol and syringaldehyde, onto lignocellulosic fiber was achieved, thus making lignocellulosic nanofibers and hydrolysis solids residues more hydrophobic and compatible with hydrophobic matrices. No significant changes in the chemical composition of flax fibres were observed after pretreatment. This was confirmedby FTIR analysis, which also demonstrated laccase-induced grafting of guaiacol and syringaldehyde onto lignocellulosic nanofibers and solid residues hydrolysis surfaces. Moreover, X-ray diffraction revealed that crystallinity increased for supercritical CO2 pretreated fibres as well asenzymatically produced lignocellulosic nanofibers. Scanning electron microscopy revealed the physical damages in the form of holes, cracks and erosions onto the surface of supercritical CO2 pretreated flax fibres, while transmission electron microscopy evidencedthe production of filament-shaped nanosized fibrils with a diameter of 5-10 nm and several micrometers length. Finally, bio-grafted fibers showed better thermal stability and hydrophobicity if compared to untreated raw analogues.
LE, PEN ERIC. "Approche micromecanique du comportement en fatigue d'un materiau composite a matrice aluminium renforce par fibres d'alumine." Paris, ENSAM, 1999. http://www.theses.fr/1999ENAM0019.
Повний текст джерелаThuault, Anthony. "Approche multi-échelle de la structure et du comportement mécanique d'une fibre de lin." Caen, 2011. http://www.theses.fr/2011CAEN2055.
Повний текст джерелаThis PhD thesis deals with the understanding of the flax fibres structure at different scales and the studying of its mechanical behaviour. Indeed, in the context of sustainable development, using plant resources covers several fields of industrial applications including structural eco-composites. At first, seven varieties of flax fibres were compared in terms of morphology (diameter), biochemical composition and mechanical properties. Then, the structural study of the flax fibre dealt with the cell wall layers (number, thickness) and the microfibrils orientation in these layers. The analysis of the stress-strain curves obtained by uniaxial tensile test was used to estimate the elastic, viscoelastic and "plastic" contributions to the global behaviour of the fibre. The orthotropy of its mechanical behaviour has been demonstrated by nanoindentation testing. Finally, these data were used to identify the principal parameters that define the mechanical behaviour of the flax fibre. Thus, simulations of the mechanical behaviour of the fibre have been initiated to propose a phenomenological description
Pariot, Christine. "Implication des ions inorganiques dans la différenciation des fibres chez le lin : approche par microscopie ionique analytique." Rouen, 1994. http://www.theses.fr/1994ROUES021.
Повний текст джерелаBayard, Olivier. "Approche multi-échelles du comportement mécanique des bétons à ultra hautes performances renforcés par des fibres courtes." Cachan, Ecole normale supérieure, 2003. http://www.theses.fr/2003DENS0002.
Повний текст джерелаBayard, Olivier. "Approche multi-échelles du comportement mécanique des bétons à ultra hautes performances renforcés par des fibres courtes /." Cachan : Laboratoire de mécanique et technologie, 2003. http://catalogue.bnf.fr/ark:/12148/cb391665287.
Повний текст джерелаDjemiel, Christophe. "Étude de la diversité du domaine Bacteria et du règne Fungi au cours du rouissage du lin sur champ par une approche de metabarcoding." Thesis, Lille 1, 2017. http://www.theses.fr/2017LIL10208.
Повний текст джерелаFlax (Linum ustitatissimum L.) dew-retting is a short-term, semi-controlled natural process during which plant cell walls are partially degraded by microorganisms to facilitate fiber extraction for various industrial applications. Under- and over-retting are associated with ‘bad fiber quality’ and it is therefore essential to master this process. The microbiology of dew-retting is poorly characterized mainly because it is currently based on the utilization of cultured approaches and phenotypic identification.The implementation of a metabarcoding approach during three independant flax dew-retting campaigns allowed us to characterize, for the first time, the bacterial and fungal community dynamics at this ecosystem level. The taxonomic assignment of OTUs (Operational Taxonomic Units) led to the identification of new taxa not previously associated with dew-retting in particular a high presence of Bacteroidetes phylum. Multivariate analysis and correlation tests identified a number of factors affecting this process. We have demonstrated : (I) that swathe turning has a significant effect on the microbial structures, (ii) the existence of a "terroir" effect and the fact that bacterial communities are affected by precipitation and (iii) the existence of a year effect and the fact that fungal communities are affected by temperature. Bacterial CAZyme (Carbohydrate-Active-Enzymes) predictions, allowed us to identify different families involved in plant cell wall degradation thereby providing a basis for future studies using a metatranscriptomic approach