Auswahl der wissenschaftlichen Literatur zum Thema „Biocomposites – Propriétés mécaniques – Rupture“
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Zeitschriftenartikel zum Thema "Biocomposites – Propriétés mécaniques – Rupture"
Segla, Kossi Novinyo, Adzo Dzifa Kokutse, Kossi Adjonou, Patrick Langbour, Gilles Chaix, Daniel Guibal und Kouami Kokou. „CARACTÉRISTIQUES BIOPHYSIQUES DU BOIS DE PTEROCARPUS ERINACEUS (POIR.) EN ZONES GUINÉENNE ET SOUDANIENNE AU TOGO“. BOIS & FORETS DES TROPIQUES 324, Nr. 324 (17.03.2015): 51. http://dx.doi.org/10.19182/bft2015.324.a31266.
Der volle Inhalt der QuelleDjeddi, Fadila, Mouloud Mohellebi und Ahmed Ouibrahim. „Optimisation des propriétés mécaniques de matériaux polymériques par les mélanges et effet bénéfique du vieillissement thermique“. Matériaux & Techniques 107, Nr. 6 (2019): 604. http://dx.doi.org/10.1051/mattech/2020001.
Der volle Inhalt der QuelleGencer, Mustafa, Jean-François Mathier, Francis Noverraz und Olivier Français. „Description des propriétés mécaniques de la Molasse aquitanienne de Lausanne“. Revue Française de Géotechnique, Nr. 154 (2018): 4. http://dx.doi.org/10.1051/geotech/2018004.
Der volle Inhalt der QuelleTaghiyari, Hamid R., Sadegh Maleki und Vahid Hassani. „EFFECTS OF NANO-SILANE ON THE PHYSICAL AND MECHANICAL PROPERTIES OF ORIENTED STRAND LUMBER (OSL)“. BOIS & FORETS DES TROPIQUES 330, Nr. 330 (21.07.2017): 49. http://dx.doi.org/10.19182/bft2016.330.a31318.
Der volle Inhalt der QuelleSahi, Samira, Hocine Djidjelli, Souad Touazi und Amar Boukerrou. „Valorisation des déchets ligno-cellulosiques pour la préparation d’un nouveau matériau composite PVC/farine des noyaux de dattes“. Matériaux & Techniques 109, Nr. 1 (2021): 102. http://dx.doi.org/10.1051/mattech/2021014.
Der volle Inhalt der QuelleELAIEB, Mohamed Tahar, Abdelhamid KHALDI und Kévin CANDELIER. „IMPACTS OF LOCATION AND FORESTRY CONDITIONS ON SOME PHYSICAL AND MECHANICAL PROPERTIES OF NORTHERN TUNISIAN PINUS PINEA L. WOOD.“ BOIS & FORETS DES TROPIQUES 324, Nr. 324 (17.03.2015): 65. http://dx.doi.org/10.19182/bft2015.324.a31267.
Der volle Inhalt der QuelleKokutse, Adzo Dzifa, Kossi Adjonou, Kouami Kokou und Messanvi Gbeassor. „Problématique de la performance du teck de provenance tanzanienne par rapport au teck local en plantation au Togo“. BOIS & FORETS DES TROPIQUES 302, Nr. 302 (01.12.2009): 43. http://dx.doi.org/10.19182/bft2009.302.a20399.
Der volle Inhalt der QuelleDOUGABKA, Dao, Jean GÉRARD, Tikri BIANZEUBE, Morgane DENDONCKER, Caroline VINCKE, Rémy MARCHAL, Daniel GUIBAL und Alban GUYOT. „Variations des caractéristiques physiques et mécaniques du bois de Balanites aegyptiaca en fonction de trois provenances“. BOIS & FORETS DES TROPIQUES 349 (15.09.2021): 7–21. http://dx.doi.org/10.19182/bft2021.349.a36776.
Der volle Inhalt der QuelleElaieb, Mohamed Tahar, Ahmed Namsi, Marie Tella, Gaël Senecal, Marie-France Thevenon und Kévin Candelier. „A natural ancestral saltwater treatment to modify the technological properties of date palms“. BOIS & FORETS DES TROPIQUES 338 (11.02.2019): 15. http://dx.doi.org/10.19182/bft2018.338.a31676.
Der volle Inhalt der QuelleFoucher, Fabrice, Sébastien Lonné, Philippe Dubois, Stéphane Leberre, Pierre Calmon, Michael Enright und Yasin Zaman. „Apports d’une cosimulation “END – Tolérance aux dommages” dans la réduction des risques de rupture“. e-journal of nondestructive testing 28, Nr. 9 (September 2023). http://dx.doi.org/10.58286/28527.
Der volle Inhalt der QuelleDissertationen zum Thema "Biocomposites – Propriétés mécaniques – Rupture"
Khalifa, Anissa. „Etude des propriétés mécaniques et de rupture d'un biocomposite à base de particules de coquillages de mer élaboré par fabrication additive“. Electronic Thesis or Diss., Université de Lille (2022-....), 2023. https://pepite-depot.univ-lille.fr/ToutIDP/EDENGSYS/2023/2023ULILN050.pdf.
Der volle Inhalt der QuelleFilaments of PLA biocomposites loaded with seashell particles (Oyster and Mussel) were produced by extrusion with four mass fraction rates of particles (5%, 10%, 15%, 20%) with particle sizes less than 160 microns. These filaments were used for additive manufacturing (AM) in Fused Deposition Modeling (FDM) of test specimens. Thermal and mechanical characterization tests were conducted to understand the behavior of the filaments before their use in printing. X-ray tomographic observations highlight the distribution of seashell particles in the PLA matrix. Microscope observations of fracture surfaces are presented. Finally, thermogravimetric analyses are performed and analyzed.A printing strategy was developed to study the effect of printing parameters such as infill angle, layer thickness, printing temperature, and printing speed on the mechanical properties of the biocomposites. The objective was to identify the optimal parameters for obtaining the best mechanical properties on printed dumbbell-shaped specimens (ASTM D638 standard). The results obtained reveal significant dispersion, especially in terms of elongation at break. A fracture study on SENT (Single Edge Notched Tension) specimens printed with two different infill angles (+45/-45°, 0°/90°) was conducted to determine the toughness of the biocomposites by coupling monotonic tensile tests with Digital Image Correlation (DIC) method. This approach provided a better understanding of the mechanical behaviors of the biocomposites and characterized their fracture resistance
Le, Duc Anne. „Comportement et rupture de fibres cellulosiques lors de leur compoundage avec une matrice polymère“. Phd thesis, Ecole Nationale Supérieure des Mines de Paris, 2013. http://pastel.archives-ouvertes.fr/pastel-00982245.
Der volle Inhalt der QuelleRandrembason, Vero. „Biocomposites amidon-cellulose : Elaboration, caractérisation et modélisation du comportement viscoélastique“. Montpellier 2, 2005. http://www.theses.fr/2005MON20009.
Der volle Inhalt der QuelleMartin, Nicolas André Michel. „Contribution à l'étude de paramètres influençant les propriétés mécaniques de fibres élémentaires de lin : Corrélation avec les propriétés de matériaux composites“. Thesis, Lorient, 2014. http://www.theses.fr/2014LORIS355/document.
Der volle Inhalt der QuelleThis research study has been carried out during a CIFRE joint project between the Van Robaeys Frères Company, UBS and IFREMER. The work aims to improve understanding of the properties of both flax fibres and composite materials reinforced with flax.First, the influence of the degree of retting of flax fibers on the tensile properties of single fibers and short fiber/polypropylene composites has been shown.Then, the properties of scutched flax and flax tow were compared. We have shown that it is possible to reach similar tensile properties for unidirectional composite materials manufactured from the two products.Moreover, the influence of three different flax nonwoven reinforcements on the mechanical properties of thermoplastic matrix composites was studied. These materials were found to show anisotropy of tensile properties.Finally, the mechanical properties of the flax fibres processed by the Van Robaeys Frères Company were examined. A straightforward relationship was found between the tensile properties of the fibres and the tensile properties of unidirectional composite materials. The relationship is more complex for short fibre injected composites
Ben, Ayad Mohamed. „Étude expérimentale des propriétés mécaniques (rupture) et électrique de systèmes de percolation“. Nice, 1988. http://www.theses.fr/1988NICE4226.
Der volle Inhalt der QuelleRéquilé, Samuel. „De la plante aux biocomposites : caractérisation des interfaces multiples et étude des paramètres pertinents Exploring the link between flexural behaviour of hemp and flax stems and fiber stiffness Peeling experiments for hemp retting characterization targeting biocomposites Deeper insight into the moisture-induced hygroscopic and mechanical properties of hemp-reinforced biocomposites. Interfacial properties of hemp fiber/epoxy: effect of moisture sorption and induced hygroscopic stresses Propriétés hygroscopiques et mécaniques d'un biocomposite renforcé par des fibres de chanvre“. Thesis, Lorient, 2019. http://www.theses.fr/2019LORIS529.
Der volle Inhalt der QuelleIndustry environmental concerns and strategies to become part of a more sustainable economic system, leads to a growing interest in research on biocomposite. The strong polar and hydrophilic nature of plant fibers leads, when used as a reinforcement, to a complexity of biocomposite manufacturing and limits in terms of load transfer at the fiber/matrix interface. These major locks (fiber polarity and moisture sensitivity) for biocomposites development are the guidelines of this thesis work taking its inspiration in the design of hemp stem tissue interfaces. The multi-scale evolution of gradient microstructure and internal mechanics is crucial for the integrity and functioning of the stem through smooth transitions regions. These potential weak interfaces are investigated by applying a retting process that affect the stem internal microstructure and tissue cohesion. From the stems of agricultural crops to the hierarchical elementary fibers, studying the mechanical behavior of natural systems may serve as inspiration for a biomimetic transfer of the fundamental principles to fiber-reinforced composites. Aimed at increasing the understanding of the effect of moisture present during composite use, hygro-mechanical coupling highlights an optimum in hemp fibre-based unidirectional composites performances from a beneficial effect of moisture sorption. Deeper analysis at the micro-scale attributed a significant contribution of this hygroscopic behavior to fiber/matrix interface performances through the creation of residual stresses and capillary adhesion mechanisms. Generally described in the literature as a drawback, this research demonstrates that water sensitivity of plant fibers and moisture sorption in biocomposite could promote load transfer and be beneficial for their performance
Osmani, Hocine. „Rupture des composites céramique-céramique à fibres“. Lyon, INSA, 1989. http://www.theses.fr/1989ISAL0059.
Der volle Inhalt der QuelleSukiman, Muhamad Shafiq. „Etude des propriétés mécanique et thermique des biocomposites basée sur l'homogénéisation numérique“. Thesis, Lille 1, 2017. http://www.theses.fr/2017LIL10218/document.
Der volle Inhalt der QuelleThis thesis work concerns the determination of mechanical and thermal properties of HDPE-wood particles and PET-hemp fibers biocomposites using experimental, numerical and analytical approaches. The search for the effective properties of these biocomposites involves different parameters such as the fiber morphology and orientation on the one hand, and the porosity and the interphase on the other. A study based on the numerical homogenization technique has been carried out in order to verify the influence of short and long fibers on the apparent properties of the different materials. Numerical calculations have also allowed the estimation of the elastic properties as well as the thermal conductivity of the biocomposites in relation to the fiber and particle volume fraction. The ultimate objective of this work consists in the modelling of the thermoforming procedure on the biocomposites. A study on the thermoformability of the HDPE-wood particles biocomposite into a formwork in relation to the wood particle content has been carried out by using experimental data of the mechanical and thermal behavior for the numerical simulation of the thermoforming procedure
Labache, Gaëlle. „Amélioration par modification chimique de l’interface de biocomposites poly(acide lactique) – fibre courtes de lin“. Caen, 2012. http://www.theses.fr/2012CAEN2004.
Der volle Inhalt der QuelleThis project is focused on the identification of chemical modifications to improve the interface quality of biocomposites elaborated from biopolymers and natural cellulosic fibers. The poly(lactic acid) matrix chosen for the project is presented in the first part with a special attention concerning the physical aging. The evolution of thermal (DSC) and mechanical properties (tensile testing) of PLA samples depending on the storage temperature highlight strengthening and weakening of PLA with storage time. This study demonstrates the necessity to clearfully expose the experimental procedures to measure these values. The influence of various surface treatments on the morphology and on the spectroscopic properties of flax fibers has been evaluated. Mercerisation and bleaching lead to the removal of waxes, pectins and hemicelluloses and reveal the cellulosic wall of the fibres. Coupled with acetylation, different satisfiying grafting ratio are obtained. However, the interfacial adhesion is not improved by the modified fibers in the pure PLA matrix through extrusion and injection molding. A second route by matrix chemical modification via reactive extrusion has thus been developped. Cardanol grafting onto PLA chains with the help of peroxides did not lead to the improvement of the interface quality. On the other hand, the addition of diisocyanates to the PLA-fibers systems significantly increases the adhesion between the matrix and the fibers. The obtained composites are more resistant than the pure PLA matrix. The reaction mechanism involves the creation of covalent bondings between the PLA and the flax fibers via the bifunctionnal diisocyanate
JEUNEHOMME, Sylvie. „Relations propriétés mécaniques - microstructure des aciers de structure perlitique“. Paris, ENMP, 1991. http://www.theses.fr/1991ENMP0320.
Der volle Inhalt der QuelleBücher zum Thema "Biocomposites – Propriétés mécaniques – Rupture"
Fracture resistance of aluminum alloys: Notch toughness, tear resistance, and fracture toughness. Washington, D.C: Aluminum Association, 2001.
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