Auswahl der wissenschaftlichen Literatur zum Thema „Dépôt à l'état fondu“
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Zeitschriftenartikel zum Thema "Dépôt à l'état fondu":
Meslin, Frédéric, und Arnaud Poitou. „Viscosité en cisaillement d'un composite fibres courtes à l'état fondu“. Comptes Rendus de l'Académie des Sciences - Series IIB - Mechanics-Physics-Astronomy 327, Nr. 6 (Juni 1999): 559–65. http://dx.doi.org/10.1016/s1287-4620(99)80085-4.
Guillet, J., A. Maazouz und J. F. May. „Comportement viscoélastique à l'état fondu du polypropène renforcé de fibres de verre“. European Polymer Journal 21, Nr. 12 (Januar 1985): 1027–30. http://dx.doi.org/10.1016/0014-3057(85)90208-3.
Guillet, J., A. Maazouz und J. F. May. „Propriétés rhéologiques à l'état fondu du polypropène renforcé de fibres de verre“. European Polymer Journal 22, Nr. 9 (Januar 1986): 711–17. http://dx.doi.org/10.1016/0014-3057(86)90120-5.
Guillet, J., A. Maazouz und J. F. May. „Propriétés rhéologiques à l'état fondu de polyesters thermoplastiques chargés de fibres de verre“. European Polymer Journal 23, Nr. 1 (Januar 1987): 1–5. http://dx.doi.org/10.1016/0014-3057(87)90089-9.
Deri, Fawaz, und Abdelaziz Lallam. „Propriétés rhéologiques à l'état fondu de mélanges binaires de polyéthylène et de polybutène-1“. Die Makromolekulare Chemie 192, Nr. 11 (November 1991): 2811–26. http://dx.doi.org/10.1002/macp.1991.021921125.
Cano, Marlène. „La médiation et les concepts de garde au Canada“. Canadian journal of law and society 7, Nr. 2 (1992): 123–36. http://dx.doi.org/10.1017/s0829320100002350.
Furst, Benjamin. „L'État face aux rivières d'une province frontière : police des cours d'eau et affirmation de l'autorité royale en Alsace au XVIIIe siècle“. La Houille Blanche, Nr. 5 (Oktober 2020): 8–16. http://dx.doi.org/10.1051/lhb/2020047.
Marçais, A. S., P. Chambon und L. Salanova. „Modéliser le rythme des inhumations dans une allée sépulcrale Seine-Oise de la seconde moitié du IVe millénaire av. J.-C. : le cas de Bazoches-sur-Vesle « le Bois de Muisemont » (Aisne)“. Bulletins et Mémoires de la Société d'Anthropologie de Paris 28, Nr. 3-4 (07.09.2016): 176–89. http://dx.doi.org/10.1007/s13219-016-0163-8.
Elhamdi, B., und A. Lodini. „Influence d'une sous-couche d'accrochage NiCrAl sur l'état de contraintes dans un dépôt d'alumine plasma sur éprouvette cylindrique en acier“. Matériaux & Techniques 84, Nr. 11-12 (1996): 29–34. http://dx.doi.org/10.1051/mattech/199684110029.
Harroff-Tavel, Marion. „Do wars ever end? The work of the International Committee of the Red Cross when the guns fall silent“. International Review of the Red Cross 85, Nr. 851 (September 2003): 465–96. http://dx.doi.org/10.1017/s0035336100183789.
Dissertationen zum Thema "Dépôt à l'état fondu":
Le, Anh-Duc. „Modélisation et simulation multiphysique du procédé de fabrication additive par dépôt à l’état fondu“. Electronic Thesis or Diss., Ecole nationale supérieure Mines-Télécom Lille Douai, 2021. http://www.theses.fr/2021MTLD0004.
Additive manufacturing of the polymers through Fused Deposition Modeling (FDM) or Fused Filament Fabrication (FFF) process allows the production of complex plastic parts without using tools. This is such an original plastic processing which makes it possible to pass very quickly from the ideas to the products, thus accelerating the time of development, and arousing great industrial interest. In order to optimize the process, numerical simulation is increasingly becoming an economical alternative to replace repeated experiments, which are always costly and time-consuming. The approach is based on a coupling of fluid mechanics and heat transfer by a Level Set method, which allows to simulate of different physical phenomena involved during the process (i.e. flow, coalescence, cooling, consolidation, etc.). The polymer melt flow is treated as a single-phase flow with a free surface. As a first step, an in-house Level Set code was developed to accurately capture the evolution of the free surface. In a second step, the coupling model was implemented in a computational code using the LiveLink for Matlab of COMSOL Multiphysics software. The effect of variations in process parameters on the final printed part was examined. The rheological properties of the material used are measured by a rotary rheometer. The numerical model is validated using optical micrograph measurements of samples printed by a laboratory printer. The numerical model shows great potential for modeling and optimizing the additive manufacturing process
Andriatsarafara, Tiana. „Comportement rhéologique des pmma-choc à l'état fondu“. Pau, 1993. http://www.theses.fr/1993PAUU3001.
Meslin, Frédéric. „Propriétés rhéologiques des composites fibres courtes à l'état fondu“. Cachan, Ecole normale supérieure, 1997. http://www.theses.fr/1997DENS0020.
Guichard, Sabine. „Modification des alumines par des nitrures à l'état fondu“. Orléans, 2007. http://www.theses.fr/2007ORLE2073.
Vallereau, Robin. „Fabrication additive d'aimants liés anisotropes par dépôt de fil fondu“. Electronic Thesis or Diss., Université Grenoble Alpes, 2024. http://www.theses.fr/2024GRALI012.
Rare earth-based anisotropic permanent magnets have excellent magnetic properties and are therefore used in many electromechanical devices such as motors, actuators, generators, and even at small dimensions in micro-electromechanical systems. They can be found in sintered or bonded form. Although bonded magnets are less magnetised than sintered ones because they are diluted in a polymer matrix, they have the advantage of being able to be manufactured in very large series by injection moulding and can be complex in shape. However, the production of small series, or of magnets with a complex magnetic texture, is not currently feasible. The technique of additive manufacturing using molten wire deposition provides a solution to some of these problems: unlike moulding, 3D printing is suitable for small production runs, allows more complex shapes and consumes only the necessary volume of material. As for the texture, this thesis describes a print head based on a piston extruder and equipped with a magnetic aligner, which made it possible to obtain substantially anisotropic rare-earth-based bonded magnets. The composites were formulated in PA12 nylon with industrial-grade NdFeB powders, derived from the recycling of sintered magnets; we also used SmFeN already formulated in granulated form.The piston extruder is fed with pellets which, unlike wound filaments, can be highly charged with magnetic powder. The magnetic aligner is a ring of SmCo magnets assembled around the nozzle; it orients the magnetic particles during extrusion to induce axial anisotropy in the strand and improve its remanent magnetisation. It was designed following a study to determine the temperature and field to be applied to obtain optimum alignment under extrusion conditions. This device produces an axial induction of 545 mT in the zone of interest. Unlike conventional printheads, in our extruder the molten composite is extruded by a plunger, overcoming the frictional forces that confine the magnetic particles in the nozzle under the radial forces of the magnetic field gradient.The manufacture of dense, good quality bonded magnets requires optimisation of the printing parameters. However, there is always some porosity generated by the process itself, which helps to reduce remanent magnetisation. As for anisotropy, this is obtained by following a construction strategy for the bonded magnet that consists of depositing all the strands in the same direction and in the same sense. When printing anisotropic magnets, the friction of the nozzle on the freshly deposited layer mechanically misaligns the particles on the surface, again contributing to a degradation of the maximum properties. The composite filled with 63 %vol NdFeB (MF-P15) in PA12 nylon is particularly affected and has a degree of alignment of almost zero (µ0Mr = 0.3 T and Hc = 995 kA/m), while SmFeN/PA12 (60 %vol) has a degree of alignment of 0.3 (µ0Mr = 0.5 T, Hc = 875 kA/m). The SmFeN particles are very fine (d0.5 = 3 µm) compared with those of NdFeB (d0.5 ~75-100 µm) and spheroidal in shape: a printed layer 200 µm thick therefore contains many more SmFeN particles than NdFeB, and the particles on the surface, mechanically misaligned when the nozzle touches them, thus represent a smaller volume fraction.The long-term objective of the 6DMag project is to exploit this strategy of anisotropic deposition by alignment, to print bonded magnets composed of regions with different directions of magnetisation. The next challenge will be to magnetise the different regions of a multipolar magnet without impacting neighbouring regions
Bertin, Marie-Pierre. „Comportement rhéologique des ABS (acrynolytrile-butadiène-styrène) à l'état fondu“. Pau, 1991. http://www.theses.fr/1991PAUU3001.
Bente, Marie-Pierre. „Réactivité à l'état fondu de systèmes époxyde/cyanamide-dicyandiamide-mélamine“. Pau, 1992. http://www.theses.fr/1992PAUU3020.
Stanescu, Paul. „Architecture et comportement viscoélastique à l'état fondu de polyéthylènes basse densité“. Saint-Etienne, 2005. http://www.theses.fr/2005STET4003.
Low density polyethylene (LDPE) is one of the synthetic polymers most used and the prediction of its rheological behavior is an industrial stake. The difficulty lies in the complex architecture of the molecules. The number, the size and the position of the branches are random and these parameters have major effects on the rheological behavior. This work shows that the real structure of LDPE can be sketched by an irregular Cayley tree. The structural parameters can be determined from SEC measurements and from the kinetics of free radical polymerization. Based on this picture of the molecules, a molecular model is proposed to describe the dynamics of the LDPE in the case of a monodisperse samples and polydisperse samples. The linear viscoelastic behavior of our LDPE was correctly predicted. The strong link between structure and rheology enables to solve the inverse problem. Linear viscoelastic data contain all the structural information. The use of the molecular model and an algorithm of minimization leads to an average structural picture of the molecules very close to that obtained by SEC. This average structure was transformed into "pom-pom" structures that were used in an "pom-pom" multimode constitutive equation. The calculated transient viscosity of our LDPE agrees with experimental measurements both in shear and uniaxial elongational flow
Dreux, Xavier. „Comportement viscoélastique à l'état fondu et structure d'acétates de cellulose plastifiés“. Thesis, Lyon, 2019. http://www.theses.fr/2019LYSES002/document.
This present work deals with the rheological properties of cellulose acetate which is a biobased polymer manufactured from cellulose. In order to facilitate its forming process, cellulose acetate is usually blended with plasticizers. As the conventional industrial processes need rheological information for different flow conditions, viscoelastic behaviour of a plasticized cellulose acetate with a degree of substitution of 2,45 was investigated by various rheology experiments. Measurements in the linear regime were carried out for various plasticizer contents and some unexpected behaviours have been highlighted. Compared to conventional thermoplastic polymers, the structure and dynamics of the macromolecular chains of cellulose acetate seem to be more complex than that of common synthetic polymers. This was confirmed by measurements in the nonlinear domain. The results suggests that the viscoelastic behaviour of cellulose acetate chains is not controlled by entanglements but rather by another correlation length related to strong interactions between chains, named stickers. These interactions confer to the polymer dynamics an unusual scaling behaviour depending on plasticizer content and temperature
Deplancke, Tiana. „Approche des mécanismes de frittage du UHMWPE : étude du comportement mécanique à l'état solide et à l'état fondu“. Phd thesis, INSA de Lyon, 2013. http://tel.archives-ouvertes.fr/tel-01018639.
Bücher zum Thema "Dépôt à l'état fondu":
Dilevko, Juris B. Service de référence pour les documents gouvernementaux canadiens : conséquences de la consultation électronique: Rapport à l'intention du Ministère des travaux publics et services gouvernementaux Canada, Direction des services de communication et coordination, Division des services de consultation publique, Programme de(s) services de dépôt. Ottawa: Le Programme, 1999.
Dolan, Elizabeth Macdonald. Electronic access to Canadian federal government information : how prepared are the depository libraries? : report to Depository Services Program, Canadian Government Publishing, Public Works and Government Services Canada =: Accès électronique à l'information du gouvernement fédéral canadien : dans quelle mesure les bibliothèques de dépôt sont-elles prêtes? : rapport destiné au Programme des services de dépôt, Éditions du gouvernement du Canada. Ottawa, Ont: Depository Services Program = Programme des services de dépôt, 1998.
Dilevko, Juris B. Government documents reference service in Canada : implications for electronic access : report to Depository Services Program, Public Access Services Division, Communications Coordination Services Branch, Public Works and Government Services Canada =: Service de référence pour les documents gouvernementaux canadiens : conséquences de la consultation électronique : rapport à l'intention du Ministère des travaux publics et services gouvernementaux Canada, Direction des services de communication et coordination, Division des services de consultation publique, Programme de services de dépôt. Ottawa, Ont: Minister of Public Works and Government Services Canada = Ministre des travaux publics et services gouvernementaux Canada, 1999.
Konferenzberichte zum Thema "Dépôt à l'état fondu":
Catros, S. „A quoi servent les Bio-Imprimantes 3D ?“ In 66ème Congrès de la SFCO. Les Ulis, France: EDP Sciences, 2020. http://dx.doi.org/10.1051/sfco/20206601012.