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Academic literature on the topic 'Hypertrempe par melt spinning'
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Journal articles on the topic "Hypertrempe par melt spinning"
Jeon, Min Hong, Yu Rim Lee, Hyeon Soo Lim, Jong Sung Won, and Seung Goo Lee. "Fabrication of Piezoelectric PVDF/PAR Composites Using a Sheath-Core Fiber Method." Polymers 12, no. 10 (September 27, 2020): 2214. http://dx.doi.org/10.3390/polym12102214.
Full textOh, Woo, Hyeon Lim, Jong Won, and Seung Lee. "Preparation of PVDF/PAR Composites with Piezoelectric Properties by Post-Treatment." Polymers 10, no. 12 (December 3, 2018): 1333. http://dx.doi.org/10.3390/polym10121333.
Full textDissertations / Theses on the topic "Hypertrempe par melt spinning"
Berlureau, Thierry. "Propriétés structurales et magnétiques de quelques composes pseudo-binaires et ternaires ferromagnétiques a température de Curie élevée préparés dans les systèmes: -> terres rares (Nd, Sm) - Fer - Hydrogene-> Gadolinium - Fer - Aluminium-> Uranium - Fer ou Cobalt - Silicium ou Germanium." Phd thesis, Université Sciences et Technologies - Bordeaux I, 1991. http://tel.archives-ouvertes.fr/tel-00164556.
Full textCrisci, Jean-Pierre. "Élaboration de fils métalliques fins par trempe depuis l'état liquide : paramètres et mécanismes (In Rotating Liquid Melt Spinning)." Vandoeuvre-les-Nancy, INPL, 1991. http://www.theses.fr/1991INPL125N.
Full textYan, Xiang. "Design of biphasic polymeric fiber from melt-spinning charged with nanoparticles : effects of the formulation and the fillers localization, to obtain a functionalized fiber at surface level." Thesis, Lille 1, 2019. http://www.theses.fr/2019LIL1I084.
Full textThe work aims to make the functional porous polypropylene (PP) fibers as well as PP microfibers, by the melt spinning of PP-poly(vinyl alcohol) (PVA) blends followed with the selective phase extraction of PVA. The objective is to first find out the optimal ratio of PP and PVA for fabrication of multifilament yarns by melt spinning, and to localize the filler at the biphasic interface. The fillers include not only the homogenously modified silica nanoparticles, but also the kaolinite Janus particles. The concomitant morphology evolution of the extrudates and fibers were observed. The work mainly discusses about the fabrication of porous fibers, but also makes an exploratory experiment to reverse the ratio to fabricate the microfibers. It was found that the ratio of two polymers as 70 wt.%/30 wt.% is an ideal formula for fabricating the porous fibers. Both of the two fillers are successfully tailored at the biphasic interface. The localization of silica nanoparticles within the biphasic can be fixed by the thermodynamic control, and one of the sorts has been dominantly localized at the biphasic interface. In addition, the Janus particles provide an alternative way to have the interface localization, which even helps the mechanical enhancement. The feasibility of microfiber production with the embedment of the fillers was also demonstrated
Bao, Cuimin. "Étude sur la définition du terme "amorphe" par l'analyse comparative de rubans de Pd82 Si18 en termes de production, structure, microstructure, qualité et propriétés mécaniques." Thesis, Vandoeuvre-les-Nancy, INPL, 2007. http://www.theses.fr/2007INPL068N/document.
Full textSince their discovery, an important research work has been developed on the production, the structure, the microstructure, the properties and the applications of amorphous metallic alloys. However, the question of what is exactly meant by the term “amorphous” is not considered in most of the reported studies. As a matter of fact, there exist no real glasses representing a perfect disorder, as there exist no real crystals with a perfectly ordered structure. It is thus difficult to give a precise definition without giving the limitations in scale and in detection of this non-crystallinity. The aim the study is an interrogation, in the case of a specific alloy, on the term “amorphous” as a function of the two directions of reference given above (the scale and the technique). This study thus contains an analysis of the conditions of synthesis of amorphous samples of similar compositions. Furthermore, complementary detection techniques of their differences at the scale of the structure and microstructure have been used. Samples of Pd82Si18 of different thickness have been produced by melt-spinning with different parameters, such as the rotation speed of the wheel, the pressure of the gas, the dimensions of the nozzle, the quenching temperature and the existence or not of a heat treatment of the melt before quench. The samples have been analysed by various techniques such as diffraction of standard X rays and of neutrons, small angle neutrons scattering, transmission electron microscopy, calorimetry, mechanical tests and fractography by scanning electron microscopy
Grillard, Fabienne. "Structure et propriétés de fibres composites polymère-nanotubes de carbone obtenues par voie fondu." Thesis, Bordeaux 1, 2012. http://www.theses.fr/2012BOR14577/document.
Full textThis thesis reports the study of the properties and structure of carbon nanotube / polymercomposite fibers obtained by melt spinning. By contrast to most fibers produced by thistechnology, the fibers produced in this thesis are electrically conductive. The conductivityproperties are studied as a function of various parameters including temperature andmechanical stress. It is shown that fiber drawing induced by the process leads to a relativetranslation of the nanotubes relative to each other and to a loss of electrical contacts. Ananalytical model accounts for this phenomenon and reproduces the experimental results.Polymer-nanotube fibers exhibit also particularly original thermomechanical properties suchas shape memory effects that are controllable by the programming process. Surprisingly, thefibers have a temperature memory reflected by a peak of the generated stress at thetemperature at which the materials has been programmed. These effects have beendemonstrated for various types of deformations including elongation and torsion. Althoughthese effects are governed by the properties of the polymer, it is shown that the introductionof nanotubes provides significant improvements of the thermomechanical properties
Schwartz, Frédéric. "Etude des parametres d'elaboration de rubans amorphes par la methode du flot planaire : influence d'elements de substitution sur les proprietes d'un alliage amorphe fe::(79)b::(16)si::(5)." Paris 6, 1986. http://www.theses.fr/1986PA066574.
Full textKechiche, Mohamed Bouraoui. "Etude et développement de capteurs / effecteurs filamentaires de faibles diamètres intégrables dans des structures textiles." Phd thesis, Université de Haute Alsace - Mulhouse, 2012. http://tel.archives-ouvertes.fr/tel-00844135.
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