Academic literature on the topic 'Carbone – Composites'

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Journal articles on the topic "Carbone – Composites"

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Boudet, A., G. Teyssèdre, L. Caramaro, and B. Chabert. "L'Interface Dans Les Composites Pps-Carbone." Bulletin des Sociétés Chimiques Belges 98, no. 9-10 (September 1, 2010): 747–50. http://dx.doi.org/10.1002/bscb.19890980917.

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Martin, D., J. Lepeule, C. Henocque, J. Papin, O. Maurige, M. Bourgeon, P. Bricourt, and P. Brochard. "Recherche de potentiels effets des aérosols solides de carbone, issus de matériaux composites carbone/carbone." Archives des Maladies Professionnelles et de l'Environnement 65, no. 2-3 (May 2004): 123. http://dx.doi.org/10.1016/s1775-8785(04)93117-7.

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Rémond, Yves, and Christiane Wagner. "Existence d'un endommagement de subsurface sur des composites carbone-carbone après frottement intense." Comptes Rendus de l'Académie des Sciences - Series IIB - Mechanics-Physics-Astronomy 326, no. 12 (January 1998): 833–38. http://dx.doi.org/10.1016/s1251-8069(99)80036-2.

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Chen, Qianqian, Philippe Boisse, Tarek Mabrouki, Abdelghani Saouab, Chung Hae Park, and Joël Bréard. "Comportement en cisaillement de matériaux composites carbone/PPS et carbone/PEEK sous haute température." Revue des composites et des matériaux avancés 21, no. 1 (April 2011): 105–17. http://dx.doi.org/10.3166/rcma.21.105-117.

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Chauvin, P., J. Bechet, F. Henry, and JF Fauvarque. "Synthèse et caractérisation de particules composites modèles : carbone-polyparaphénylène." Journal de Chimie Physique 92 (1995): 959–62. http://dx.doi.org/10.1051/jcp/1995920959.

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Marguerès, Philippe, Thierry Camps, and Philippe Olivier. "Impédancemétrie électrique pour le monitoring de composites carbone/époxy." Revue des composites et des matériaux avancés 24, no. 2 (June 30, 2014): 207–20. http://dx.doi.org/10.3166/rcma.24.207-220.

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Mbodj, Coumba, Guillaume Peillex, Mathieu Renouf, Laurent Baillet, Yves Berthier, and Pascale Jacquemard. "Influence du « contraste » des propriétés élastiques des composites carbone/carbone (C/C) sous conditions dynamiques de contact frottant." Mécanique & Industries 11, no. 3-4 (May 2010): 289–94. http://dx.doi.org/10.1051/meca/2010051.

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Lang, D. "Initiation et propagation des endommagements dans les composites stratifiés carbone-époxy." Matériaux & Techniques 76, no. 4 (1988): 17–22. http://dx.doi.org/10.1051/mattech/198876040017.

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Salvia, Michelle, and Tania Risson. "Comportement au fluage de composites à renfort carbone et matrice époxyde." Revue des composites et des matériaux avancés 11, no. 2 (August 23, 2001): 161–80. http://dx.doi.org/10.3166/rcma.11.161-180.

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Marais, Christian, and Anne Mavel. "Ténacité des composites vieillis. Effet du vieillissement thermique sur la résistance en compression de composites carbone/BMI." Revue des composites et des matériaux avancés 12, no. 1 (April 23, 2002): 95–116. http://dx.doi.org/10.3166/rcma.12.95-116.

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Dissertations / Theses on the topic "Carbone – Composites"

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Labruquère, Sandrine. "Protection interne contre l'oxydation des composites carbone/carbone." Bordeaux 1, 1998. http://www.theses.fr/1998BOR10676.

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L'utilisation prolongee des composites carbone/carbone (c/c) en atmosphere oxydante est limitee par l'oxydation du carbone qui est effective au-dela de 450\c. L'oxydation des composites se fait preferentiellement au niveau des interfaces fibre-matrice (zones de faible cohesion) et elle progresse tres rapidement de la surface vers le cur du composite. Le present travail a porte sur la recherche de protections internes permettant d'ameliorer la resistance a l'oxydation des composites c/c. Dans un premier temps, les fibres ont ete soit traitees a l'aide d'inhibiteurs d'oxydation (h 3po 4, h 3bo 3) soit revetues de depots a base de bore, silicium ou phosphore par depot chimique en phase vapeur soit encore implantees avec des ions b +. Le comportement en atmosphere oxydante des fibres ainsi traitees, a ete examine. Dans une seconde etape, les preformes traitees ont ete infiltrees de carbone et la resistance a l'oxydation de ces composites a ete etudiee. La presence d'un depot si-b-c riche en bore de 100 nm au niveau de l'interface fibre-matrice conduit a une forte amelioration de la resistance a l'oxydation du composite. Enfin, le comportement mecanique a temperature ambiante de composites c/c elabores a l'aide de fibres de carbone pretraitees, ayant subi ou non un vieillissement a l'air en temperature, a ete caracterise de facon comparative.
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Brender, Patrice. "Etude de l'influence de la température sur les réactions tribochimiques des matériaux carbonés : Application au freinage aéronautique de composites Carbone/Carbone." Thesis, Mulhouse, 2012. http://www.theses.fr/2012MULH5872.

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L’objectif de ce travail est d’étudier quantitativement l’évolution des propriétés de surface des matériaux carbonés et leur réactivité dans les conditions proches de celles rencontrées lors du taxiage des avions. Les essais de freinage ont été réalisés à l’aide d’un Banc d’Essai Tribométrique à Simulation Inertielle. Les composites C/C frottés et les débris d’usure sont caractérisés par des techniques non-conventionnelles multi-échelles. Les composites frottés (dans leur totalité) et les débris d’usure sont caractérisés par thermo-désorption programmée et chimisorption d’oxygène. Ces analyses permettent de déterminer la nature et la quantité de groupes fonctionnels et la teneur en sites actifs, caractéristique de la réactivité intrinsèque du carbone et responsable de l’interaction avec les espèces gazeuses de l’environnement. Ces caractérisations sont complétées par des analyses morphologiques, structurales et texturales par microscopies, diffractions des rayons X, adsorption de gaz. L’analyse des caractéristiques physico-chimiques des débris d’usure et des disques frottés permet de remonter aux réactions tribochimiques ayant eu lieu dans le contact : des réactions chimiques entre l’oxygène ou l’eau et les liaisons C-C rompues ont été mises en évidence. Un modèle permettant de justifier les différences de propriétés tribologiques lors des essais de taxiage a été proposé. Ce modèle, basé sur la réactivité du système et sur les propriétés de l’interface de frottement, permet d’élucider les problématiques liées à la température dans ce type de système
The objective of this work is to study quantitatively the evolution of carbon materials surface properties and reactivity under breaking conditions similar to those encountered during taxiing. The breaking tests were carried out using a Tribometric Test Bench. The rubbed C/C composites and the wear debris collected are then characterized by mutiscale unconventional techniques. The whole rubbed composites and the wear debris are characterized by Temperature-Programmed Desorption and by oxygen chemisorption. These analyzes are used to determine the nature and amount of functional groups and the content of active sites that is characteristic of the reactivity of the carbon material and also responsible of its interaction with the surrounding environment. The characterizations are completed by morphological, structural and textural analysis, such as Electron Microscopy, X-Ray Diffraction and gas adsorption. The analysis of the physic-chemical characteristics of wear debris and of the rubbed discs enables to evidence the tribochemical reactions occurring in the mechanical contact: chemical reactions between oxygen or water and the broken C-C bonds have been evidenced. A model is finally proposed, justifying the differences in the tribological properties during taxiing tests. The later is based on the carbon reactivity and on the interface properties and justify the temperature dependence of this system
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Mauchin, Agnès. "Comportement mécanique à haute température de composites carbone/carbone." Bordeaux 1, 1997. http://www.theses.fr/1997BOR10676.

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Le comportement mecanique en traction de composites carbone/carbone evolue avec la temperature. Cette evolution a ete determinee pour des composites c/c a architecture 2,5 d grace a des essais de traction jusqu'a 2500c sous atmosphere inerte. Pour expliquer les tendances observees, le comportement mecanique en traction des fils de renfort (fils carbone) a ete evalue a diverses temperatures jusqu'a 2000c, puis le comportement des composites c/c a ete analyse a temperature ambiante, et enfin l'effet de la temperature sur les differentes caracteristiques mecaniques et morphologiques sur l'endommagement et sur l'emission acoustique a ete examine. Finalement, la contribution de facteurs preponderants tels que les proprietes des fibres, l'endommagement de la matrice, les contraintes residuelles a ete etablie.
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Fradet, Guillaume. "Physico-chimie de l’interface fibres/matrice : applications aux composites Carbone/Carbone." Thesis, Bordeaux 1, 2013. http://www.theses.fr/2013BOR14948/document.

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Ces travaux de thèse portent sur la physico-chimie de l'interface fibre/matrice appliquée aux composites Carbone/Carbone. La surface des fibres de carbone est modifiée par divers traitements de surface (voie gazeuse et voie humide). L'impact de ces différents procédés sur l'état de surface des fibres a été évalué par chromatographie gazeuse en phase inverse à dilution infinie, MEB, AFM, MET, RAMAN… Suite à ces caractérisations, des traitements de surface ont été retenus pour la réalisation de composite C/C. Les propriétés notamment mécaniques des matériaux composites à interfaces modulées (force de la liaison fibre/matrice) ont pu être évaluées. Finalement, il a pu être établi une relation entre modifications de surface des fibres de carbone et comportement macroscopique des composites C/C
This work focuses on the physical chemistry of the fiber/matrix interface applied to composites carbon/carbon. The surface of carbon fibers was modified by various surface treatments. The carbon fibers surface variation was evaluated by inverse gas chromatography at infinite dilution, SEM, AFM, TEM, Raman... After these characterizations, surface treatments were selected for the realization of C/C composites. The mechanical properties of composites at modulated interfaces (fibers/matrix bonding) were evaluated. Finally, a correlation between surface modification of carbon fibers and macroscopic behavior of composite C/C was established
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Breban, Philippe. "Composites aluminium fibres de carbone obtenus par filage." Châtenay-Malabry, Ecole centrale de Paris, 1990. http://www.theses.fr/1990ECAP0130.

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La plupart des composites à matrice métalliques étudiés à l'heure actuelle sont élaborés par trois technologies principales, dont le coût relativement élevé limite les domaines d'utilisation. Pour palier cet inconvénient, nous avons travaillé à mettre au point un procédé de cofilage en phase solide. L’évolution du procédé nous a permis de résoudre les problèmes d'imprégnation du renfort par la matrice. Dans le cadre de l'optimisation des étapes de fabrication, nous avons étudié l'influence des paramètres suivants sur le comportement et les mécanismes d'endommagement du matériau: longueur des fibres, orientation du renfort et fraction volumique locale. Pour cela nous avons développé une démarche de type micro-macro fondée sur la théorie d'inclusion équivalente d'Eshelby. Nous modélisons ainsi l'influence de la microstructure sur les caractéristiques élastiques, les coefficients de dilatation et la surface seuil d'écoulement. Des calculs par éléments finis sur cellules de base à trois phases complète cette approche. Nous regardons l'influence de la répartition des fibres sur le développement de la plasticité locale. Une configuration de fibres proches de leurs voisines a un rôle prépondérant sur la propagation de l'endommagement qui se produit en tête de fibre. Nous proposons un critère analytique d'initiation de cet endommagement qui prend en compte la distribution de fraction volumique locale dans le matériau. Les résultats sont comparés à des essais de traction dans l'enceinte du microscope électronique à balayage, ou nous pouvons suivre les différentes étapes du processus de rupture. L’outil analytique développé est intégré dans une démarche originale de détermination d'une statistique d'endommagement pour une structure. Nous pouvons, ainsi, donner localement la probabilité d'endommagement d'un volume de composite en fonction de l'observation de ses distributions de microstructure, et du chargement
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Dumont, Mikaël. "Composites Carbone/Carbone 3D densifiés par imprégnation/carbonisation de brai mésophasique." Bordeaux 1, 2001. http://www.theses.fr/2001BOR12344.

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L'utilisation des composites C/C reste encore très limitée; des efforts importants sont menés pour développer de nouveaux procédés de fabrication moins coûteux. L'objectif de cette recherche était d'évaluer la potentialité d'une nouvelle génération de brai synthétique 100% anisotrope à taux de coke élevé comme précurseur de matrice de carbone. A partir des caractérisations du brai et de son comportement lors de la pyrolyse, un procédé de densification à basse pression a été développé. Les matériaux composites C/C ainsi réalisés ont été caractérisés au plan structural, microstructural, thermique, mécanique et en dilatation. Le comportement mécanique plus linéaire et moins endommageable comparé à celui des C/C obtenus par voie gazeuse peut être expliqué par la texture de la matrice ex-brai anisotrope et la présence de liaisons fortes fibre/matrice résultant de la réactivité du brai avec les fibres.
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Belorgey-Beaugrand, Sandrine. "Etude du procédé de densification rapide par caléfaction pour l'élaboration de composites carbone-carbone." Orléans, 2000. http://www.theses.fr/2000ORLE2027.

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Le procédé de Densification Rapide est un moyen d'élaboration de composites carbone-carbone qui offre un gain de temps considérable par rapport au procédé d'Infiltration Chimique en Phase Vapeur, tout en permettant d'obtenir des matériaux de qualité comparable. L'objectif du présent travail est d'améliorer la compréhension des phénomènes liés à ce procédé. L'étude est appliquée au cas des préformes Novoltex fournies par la SNECMA. Il est démontré que la densification a lieu au sein d'un film de caléfaction, et que la formation d'un dépôt de texture mosai͏̈que peut être évitée par l'utilisation d'une membrane GoreTex. Les phénomènes observés sont expliqués en terme de stabilisation du film de caléfaction au sein du poreux. L'hétérogénéité des textures du pyrocarbone est reliée au rapport de la surface accessible au dépôt sur le volume réactionnel (As/Vr). Une étude paramétrique montre qu'une surpression au niveau du réacteur améliore le rendement en carbone et la vitesse de densification, ainsi que l'homogénéité de la texture du pyrocarbone
The Rapid Densification is a suitable process for the elaboration of carbon-carbon composites. Compared to the classical Chemical Vapour Infiltration process, it offers a gain in time, while the obtained materials are the same quality. The aim of the present work is to improve the understanding of the phenomena occurring in this process. The study is applied to the densification of Novoltex preforms, from SNECMA. It is demonstrated that carbon deposition takes place within a calefaction film, and that the formation of a mosaic texture as a deposit can be avoided with the use of a Gore Tex fabric. The observed phenomena are explained in terms of stabilization of the calefaction film in the porous medium. Heterogeneities in the pyrocarbon deposit are related to the pore surface area/pore volume ratio (As/Vr). A parametric study shows that working under pressure enhance the carbon yield, the densification rate, and the homogeneity of the pyrocarbon texture
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Vautey, Philippe. "Bilan des performances mécaniques des composites carbone/thermoplastiques pour l'aéronautique." Compiègne, 1993. http://www.theses.fr/1993COMP0639.

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Ce travail a été orienté pour dresser un bilan des performances mécaniques des composites à matrice thermoplastique, en s'efforçant d'identifier les sollicitations élémentaires sur lesquelles sont basées les sélections matériaux, pour un concepteur de structures aéronautiques. Le composite thermoplastique APC2/AS4 de la société ICI a servi de support à cette étude. Au delà d'une comparaison thermoplastique/thermodurcissable, l'influence d'une matrice ductile sur les propriétés des stratifiés a pu être étudiée grâce à l'APC2, qui se démarque nettement des systèmes thermodurcissables plus fragiles utilisés en production à ce jour. Après que le comportement élasto-plastique marque de la matrice Peek au sein du composite ait été souligné, l'analyse des modes de ruines a permis de préciser les raisons du compromis mécanique réalisé sur stratifiés APC2 vis à vis de la traction, de la compression, et de la sensibilité aux dommages d'impact et à l'environnement. Parallèlement, des aspects spécifiques à la morphologie semi-cristalline de ce thermoplastique ont été étudiés. Des conditions limites de moulage ont été proposées pour éviter certains risques de fragilisation.
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Rovillain, Dominique. "Procédé de densification rapide et caractérisation de composites carbone/carbone." Bordeaux 1, 1999. http://www.theses.fr/1999BOR10536.

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L'etude porte sur la comprehension d'un procede de densification rapide de composites carbone/carbone a partir d'un precurseur liquide. Sur une premiere installation de type pilote a chauffage inductif, l'influence de la temperature et des precurseurs, essentiellement aromatiques et aromatiques monohalogenes, a ete regardee. Les nouveaux precurseurs conduisent a une cinetique plus rapide et a un meilleur rendement en carbone, a un pyrocarbone toujours de texture laminaire rugueuse, polynucleee dans le cas des precurseurs halogenes, mais legerement plus desoriente que le cas du cyclohexane. Avec la realisation d'installations a l'echelle du laboratoire, nous avons pu explorer les mecanismes mis en jeu dans le procede par une mesure de la vitesse de depot observee sur un monofilament de 7 m de diametre par microscopie optique, et faire une etude de l'influence du mode de chauffage (resistif/inductif). Un modele simple permet a partir des donnees experimentales de remonter a une approximation des gradients thermiques dans la zone de densification en reliant la vitesse de depot sur les fibres et la vitesse de densification. Un second modele traite de la propagation du front de densification et est base sur la theorie asymptotique des flammes premelangees.
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Dekeyrel, Alixe. "Mise au point d’un procédé d’élaboration rapide de composites Carbone/Carbone haute densité." Thesis, Bordeaux 1, 2010. http://www.theses.fr/2010BOR14017/document.

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Les composites Carbone/Carbone haute densité sont généralement obtenus par voie gazeuse ou liquide (sous une pression de pyrolyse de 100 MPa), suivant des procédés contraignants. L’imprégnation de préformes fibreuses par des brais liquéfiés, sous une pression limitée à 10 MPa, permettrait de réduire certaines contraintes d’élaboration à condition de trouver des procédés pour améliorer les rendements de densification. La solution proposée dans le cadre de cette thèse est d’augmenter fortement la densité en une première étape, grâce à des techniques de densification moins classiques. Une étude bibliographique approfondie a permis de déterminer les caractéristiques importantes des brais, les différents paramètres influençant les densifications par voie liquide et des techniques de pré-densification. La cohérence entre les résultats de plusieurs techniques de caractérisation des brais, est mise en évidence lors du suivi expérimental de l’évolution de divers brais vers un carbone graphitique, sous pression modérée. Cette étude expérimentale concernant les précurseurs de matrice aboutit à la sélection d’un brai remplaçant au brai de référence A240 et au choix des paramètres du protocole de pyrolyse sous pression modérée. L’influence du réseau poreux de la préforme sur le comportement du brai pendant la densification est soulignée en comparant les rendements de densification dans une préforme 3D orthogonale et dans une préforme aiguilletée. L’intérêt des densifications mixtes (avec caléfaction, imprégnation de poudres ou de brai mésophasique) est jugé par rapport à la densité et à la microstructure des composites obtenus. Les procédés originaux de densification hybride réalisés sur les préformes aiguilletées se révèlent efficaces, puisqu’une densité apparente supérieure à 1,80 et une porosité inférieure à 15% est atteinte après quatre cycles de densification par du brai isotrope. Des mesures thermiques sur les composites C/C obtenus illustrent la relation entre microstructure et conductivité thermique. Il semble ainsi possible de moduler les propriétés macroscopiques des composites C/C grâce à l’utilisation de procédés permettant d’élaborer des composites C/C à matrices carbonées mixtes
High density Carbon/Carbon composites are usually prepared by chemical vapor impregnation or by liquid pitch impregnation under high pressure (100 MPa). As these processes are complex and costly, an alternative moderate pressure (P < 10 MPa) impregnation process may be attractive, provided the densification yield is strongly improved. This doctoral work proposes an original process, including a pre-densification step, which leads to a significant increase of the C/C composite final density. Essential characteristics of pitches, various parameters influencing liquid pitch densification and processes for the pre-densification step are determined from bibliographical study. Consistent changes of the different physico-chemical characteristics are observed throughout the evolution of pitches to graphitic carbon, under moderate pressure. This experimental study on matrix precursors leads to the selection of a particular pitch as substitute of A240 pitch and to the determination of a specific pyrolysis procedure under moderate pressure. Influence of porous network in preforms on the pitch behaviour during densification is outlined by the comparison of densification yields in both an orthogonal 3D preform and a needled preform. Hybrid densification processes (with film-boiling process, powder impregnation, mesophasic pitch impregnation) are evaluated through the final density and the microstructure of elaborated composites. High density C/C composites, with an apparent density higher than 1.80 g.cm-3 and an open porosity lower than 15%, have been prepared from a pre-densified needled preform, after four densification cycles with liquid isotropic pitch, under moderate pressure. Thermal properties measurements on these C/C composites confirm the strong relationship between microstructure and thermal conductivity. It seems possible to tailor the macroscopic properties of C/C composites, thanks to hybrid carbonaceous matrices
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Books on the topic "Carbone – Composites"

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Delmonte, John. Technology of carbon and graphite fiber composites. Malabar, Fla: R.E. Krieger Pub. Co., 1987.

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Savage, G. Carbon-Carbon Composites. Dordrecht: Springer Netherlands, 1993.

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Savage, G. Carbon-Carbon Composites. Dordrecht: Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-011-1586-5.

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Savage, G. Carbon-carbon composites. London: Chapman & Hall, 1993.

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Kayrak, Müge Armatlı. Havacılık kompozitleri ve mukavemet-maliyet analizleri. Eskişehir [Turkey]: T.C. Anadolu Üniversitesi Sosyal Bilimler Enstitüsü, 1999.

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Tredway, W. K. Carbon fiber reinforced glass matrix composites for satellite applications. East Hartford, Ct: United Technologies Research Center, 1992.

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Materials Technology Conference (7th 1991 Carbondale, Ill.). Composite technology. Carbondale, Ill: The Center, 1991.

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Fitzer, E. Carbon Reinforcements and Carbon/Carbon Composites. Berlin, Heidelberg: Springer Berlin Heidelberg, 1998.

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Fitzer, Erich. Carbon reinforcements and carbon /carbon composites. Berlin: Springer-Verlag, 1998.

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Fitzer, E., and Lalit M. Manocha. Carbon Reinforcements and Carbon/Carbon Composites. Berlin, Heidelberg: Springer Berlin Heidelberg, 1998. http://dx.doi.org/10.1007/978-3-642-58745-0.

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Book chapters on the topic "Carbone – Composites"

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Hatta, Hiroshi, Roland Weiss, and Patrick David. "Carbon/Carbons and their Industrial Applications." In Ceramic Matrix Composites, 85–146. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2014. http://dx.doi.org/10.1002/9781118832998.ch5.

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Carlson, Thomas A., Charles P. Marsh, Waltraud M. Kriven, Peter B. Stynoski, and Charles R. Welch. "Processing, Microstructure, and Properties of Carbon Nanotube Reinforced Silicon Carbide." In Composite Materials and Joining Technologies for Composites, Volume 7, 147–59. New York, NY: Springer New York, 2013. http://dx.doi.org/10.1007/978-1-4614-4553-1_17.

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Buckley, John D. "Carbon-Carbon Composites." In Handbook of Composites, 333–51. Boston, MA: Springer US, 1998. http://dx.doi.org/10.1007/978-1-4615-6389-1_16.

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Appleyard, S. P., and B. Rand. "Carbon-Carbon Composites." In Design and Control of Structure of Advanced Carbon Materials for Enhanced Performance, 183–206. Dordrecht: Springer Netherlands, 2001. http://dx.doi.org/10.1007/978-94-010-1013-9_10.

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Meyer, R. A., and S. R. Gyetvay. "Carbon-Carbon Composites." In ACS Symposium Series, 380–94. Washington, DC: American Chemical Society, 1986. http://dx.doi.org/10.1021/bk-1986-0303.ch025.

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Thrower, Peter A. "Carbon-Carbon Composites." In Inorganic Reactions and Methods, 169–70. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2007. http://dx.doi.org/10.1002/9780470145333.ch119.

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Park, Soo-Jin. "Carbon/Carbon Composites." In Carbon Fibers, 279–94. Singapore: Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-13-0538-2_8.

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Nakano, K., A. Hiroyuki, and K. Ogawa. "Carbon Fiber Reinforced Silicon Carbide Composites." In Developments in the Science and Technology of Composite Materials, 419–24. Dordrecht: Springer Netherlands, 1990. http://dx.doi.org/10.1007/978-94-009-0787-4_57.

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Zhang, Shouyang, Yulei Zhang, Aijun Li, Qiang Chen, Xiaohong Shi, Jianfeng Huang, and Zhibiao Hu. "Carbon Composites." In Composite Materials Engineering, Volume 2, 531–617. Singapore: Springer Singapore, 2017. http://dx.doi.org/10.1007/978-981-10-5690-1_5.

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Savage, G. "Applications of Carbon-carbon Composites." In Carbon-Carbon Composites, 323–59. Dordrecht: Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-011-1586-5_9.

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Conference papers on the topic "Carbone – Composites"

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Sudhir, Aswathi, Abhilash M. Nagaraja, and Suhasini Gururaja. "Effective Mechanical Properties of Carbon-Carbon Composites." In ASME 2014 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/imece2014-36583.

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In recent times, composite materials have gained mainstream acceptance as a structural material of choice due to their tailorability and improved thermal, specific strength/stiffness and durability performance [1–3]. For high temperature applications, which include exit nozzle for rockets, leading edge for missiles, nose cones, brake pads etc. Carbon-Carbon composites (C/C composite) are found suitable [4–6]. Mechanical property estimation of C/C composites is challenging due to their highly heterogeneous microstructure. The highly heterogeneous microstructure consists of woven C-fibers, C-matrix, irregularly shaped voids, cracks and other inclusions. Predicting the mechanical behavior of complex hierarchical materials like C/C composites is of interest which forms the motivation for the present work. A systematic study to predict the effective mechanical properties of C/C composite using numerical homogenization has been undertaken in this work. The Micro-Meso-Macro (MMM) principle of ensemble averages for estimating the effective properties of the composite has been adopted. The hierarchical length scales in C/C composites were identified as micro (single fiber with matrix), meso (fabric) and macro (laminate). Comparisons have been made with mechanical testing of C/C composites at different length scales.
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Kawakubo, Youichi, Masaki Nagata, Takashi Yokoyama, Yoshitaka Hayashi, and Masahiro Arai. "Tribological Characteristics of Carbon Nanotube Thermoplastic Resin Composites." In ASME/STLE 2009 International Joint Tribology Conference. ASMEDC, 2009. http://dx.doi.org/10.1115/ijtc2009-15083.

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Wear reduction by Carbon Nanotube (CNT) addition in composites with Ultra-High Molecular Weight Polyethylene (UHMWPE), Polyimide (PI), Polytetrafluoroethylene (PTFE), and epoxy resins have been reported separately. We studied Polypropylene (PP) and Polyamide (PA) composites and showed that with the addition of Multi-wall Carbon Nanotube (VGCF: Vapor Grown Carbon Fiber), wear decreased for PA composites but increased for PP composites. Differences in tribological characteristics of CNT composites with different resins were not well understood. In this paper, we compared tribological and mechanical characteristics of VGCF composites with PE, PP, and Polyacetal (POM) resins. Ball-on-Disk wear tests and mechanical strength measurements were performed. It was found that with the increase in VGCF content, specific wear amount (SWA) of VGCF-PE composite decreased while SWA of VGCF-POM composite stayed almost constant and SWA of VGCF-PP composite increased. On the other hand, with the increase in VGCF content, the tensile strength of VGCF-PE composite was increased but those of VGCF-PP and VGCF-POM composite were decreased. Decrease in SWA of VGCF-PE composite corresponded to the increase in tensile strength with VGCF content. We considered that the intermolecular force between side wall of VGCF and PE was strong enough to make both the SWA small and the tensile strength large.
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Sapozhnikov, S., M. Gundappa, S. Lomov, Y. Swolfs, and V. Carvelli. "Quasi-Isotropic Carbon-Carbon Hybrid Laminate: Static and Low-Cyclic Performance." In VIII Conference on Mechanical Response of Composites. CIMNE, 2021. http://dx.doi.org/10.23967/composites.2021.028.

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Eitman, D. A., R. W. Kidd, and R. B. Dirling. "Advanced Oxidation Protection System for Carbon-Carbon Composites." In ASME 1989 International Gas Turbine and Aeroengine Congress and Exposition. American Society of Mechanical Engineers, 1989. http://dx.doi.org/10.1115/89-gt-314.

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Carbon-carbon composites possess a number of desirable attributes including low density, high strength and stiffness at temperatures well beyond the capabilities of refractory alloys, low thermal expansion coefficient, tailorable orthotropic properties, absence of strategic materials, and resistance to thermal shock, fatigue, and brittle failures. However, for many applications of interest (such as aircraft and aerospace vehicle structure and engines) resistance to oxidation in high-temperature air or engine exhaust streams is a requirement which is not satisfied by unprotected carbon-carbon composites. The elements of an advanced oxidation protection system for carbon-carbon composites are described in this paper. The system is comprised of both an oxidation resistant coating intended to provide the primary barrier to oxygen ingress and inhibitors added to the matrix of the carbon-carbon composite to increase its oxidation resistance without significant losses in mechanical properties. The composite inhibition system is designed to be complementary to the coating and to enhance its long-term performance. A description of the principal elements of the system is presented along with recent test data and current research directions.
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Snead, Lance L., Yutai Katoh, William E. Windes, Robert J. Shinavski, and Timothy D. Burchell. "Ceramic Composites for Near Term Reactor Application." In Fourth International Topical Meeting on High Temperature Reactor Technology. ASMEDC, 2008. http://dx.doi.org/10.1115/htr2008-58050.

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Currently, two composites types are being developed for incore application: carbon fiber carbon composite (CFC), and silicon carbide fiber composite (SiC/SiC.) Irradiation effects studies have been carried out over the past few decades yielding radiation-tolerant CFC’s and a composite of SiC/SiC with no apparent degradation in mechanical properties to very high neutron exposure. While CFC’s can be engineered with significantly higher thermal conductivity, and a slight advantage in manufacturability than SiC/SiC, they do have a neutron irradiation-limited lifetime. The SiC composite, while possessing lower thermal conductivity (especially following irradiation), appears to have mechanical properties insensitive to irradiation. Both materials are currently being produced to sizes much larger than that considered for nuclear application. In addition to materials aspects, results of programs focusing on practical aspects of deploying composites for near-term reactors will be discussed. In particular, significant progress has been made in the fabrication, testing, and qualification of composite gas-cooled reactor control rod sheaths and the ASTM standardization required for eventual qualification.
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Surappa, M. K., and Kunigal N. Shivakumar. "Sliding Wear and Friction Properties of Stitched RTM Base Carbon–Carbon Composites." In World Tribology Congress III. ASMEDC, 2005. http://dx.doi.org/10.1115/wtc2005-64055.

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This paper presents wear and friction properties of carbon-carbon composites (CCC) manufactured by resin transfer molding (RTM) process. During composite fabrication thickness stitching was employed to improve inter laminar tension and shear properties. Wear and Friction characteristics of carbon-carbon composites were evaluated using pin-on-disc set up. Results of test indicate that surface of composites having stitches in a perpendicular direction show increase in wear rates with increase in load.
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Stan, Felicia, Ionut-Laurentiu Sandu, Adriana-Madalina Turcanu, Nicoleta-Violeta Stanciu, and Catalin Fetecau. "The Influence of Carbon Nanotubes and Reprocessing on the Morphology and Properties of High-Density Polyethylene/Carbon Nanotube Composites." In ASME 2021 16th International Manufacturing Science and Engineering Conference. American Society of Mechanical Engineers, 2021. http://dx.doi.org/10.1115/msec2021-63499.

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Abstract This study investigates virgin and recycled high-density polyethylene/multi-walled carbon nanotube (HDPE/MWCNT) composites using thermo-physical and mechanical characterization techniques to generate knowledge and understand recyclability of these composites. Firstly, virgin samples with 0.1–5 wt.% of MWCNTs were prepared by injection molding. Then, the HDPE/MWCNT composite waste was mechanically recycled and consecutively reprocessed by injection molding. The experimental results show that, after the first mechanical recycling and reprocessing cycle, the thermal, rheological, mechanical, and electrical properties for the recycled and virgin HDPE/MWCNT composites with 0.1–3 wt.% were rather similar within the experimental error of the measurements. In contrast, the recycled HDPE/MWCNT composites with 5 wt.% showed a reduction in viscosity, mechanical and electrical properties with recycling. After four recycling and reprocessing cycles, degradation in the Young modulus (−35%), tensile strength (−25%), elongation at break (−60%) and electrical conductivity (−2 orders of magnitude) of the HDPE/MWCNT composite with 5 wt.% was observed as compared with the virgin composite. From an industrial perspective, it is feasible to recycle HDPE/MWCNT composite waste by mechanical recycling and use it to manufacture products with favorable mechanical properties, covering insulating, antistatic and semiconducting ranges depending on the MWCNT loading, owing to the protective effect of carbon nanotubes against thermomechanical degradation.
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Tehrani, Mehran, Masoud Safdari, Scott W. Case, and Marwan S. Al-Haik. "Using Multiscale Carbon Fiber/Carbon Nanotubes Composites for Damping Applications." In ASME 2011 Conference on Smart Materials, Adaptive Structures and Intelligent Systems. ASMEDC, 2011. http://dx.doi.org/10.1115/smasis2011-5087.

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A novel technique to grow carbon nanotubes (CNTs) on the surface of carbon fibers in a controlled fashion using simple lab set up is developed. Growing CNTs on the surface of carbon fibers will eliminate the problem of dispersion of CNTs in polymeric matrices. The employed synthesis technique retains the attractive feature of uniform distribution of the grown CNTs, low temperature of CNTs’ formation, i.e. 550 °C, via cheap and safe synthesis setup and catalysts. A protective thermal shield of thin ceramic layer and subsequently nickel catalytic particles are deposited on the surface of the carbon fiber yarns using magnetron sputtering. A simple tube furnace setup utilizing nitrogen, hydrogen and ethylene (C2H4) were used to grow CNTs on the carbon fiber yarns. Scanning electron microscopy revealed a uniform areal growth over the carbon fibers where the catalytic particles had been sputtered. The structure of the grown multiwall carbon nanotubes was characterized with the aid of transmission electron microscopy (TEM). Dynamical mechanical analysis (DMA) was employed to measure the loss and storage moduli of the hybrid composite together with the reference raw carbon fiber composite and the composite for which only ceramic and nickel substrates had been deposited on. The DMA tests were conducted over a frequency range of 1–40 Hz. Although the storage modulus remained almost unchanged over the frequency range for all samples, the loss modulus showed a frequency dependent behavior. The hybrid composite obtained the highest loss modulus among other samples with an average increase of approximately 25% and 55% compared to composites of the raw and ceramic/nickel coated carbon fibers, respectively. This improvement occurred while the average storage modulus of the hybrid composite declined by almost 9% and 15% compared to the composites of reference and ceramic/nickel coated samples, respectively. The ultimate strength and elastic moduli of the samples were measured using standard ASTM tensile test. Results of this study show that while the addition of the ceramic layer protects the fibers from mechanical degradation it abolishes the mechanisms by which the composite dissipates energy. On the other hand, with almost no compromise in weight, the hybrid composites are good potential candidate for damping applications. Furthermore, the addition of CNTs could contribute to improving other mechanical, electrical and thermal properties of the hybrid composite.
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Loyola, Bryan R., Luciana Arronche, Valeria La Saponara, and Kenneth J. Loh. "Conductivity-Based Damage Detection in Carbon Fiber Composites." In ASME 2012 Conference on Smart Materials, Adaptive Structures and Intelligent Systems. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/smasis2012-7958.

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Fiber-reinforced polymer (FRP) composites have become a primary structural material in many new structures, particularly in the aerospace, wind turbine, automobile, and marine industries, due to their higher strength-to-weight ratios, corrosion resistance, and ease of manufacturing. However, these composite materials have complex damages modes that are different from typical monolithic metallic alloys, such as delamination, fiber breakage, matrix cracking, and fiber-matrix debonding. These avenues of damage tend to manifest internally to the composite structure, making them nearly invisible to visual inspection. Several damage detection approaches have been introduced for the purpose of in situ non-destructive evaluation (NDE) of composites; however, many of these approaches require complex analysis methods, data interpolation for achieving spatial sensing, and/or embedding invasive sensors into the composites themselves. To allow for widespread implementation of a next-generation NDE approach for composites, an easily discernible, highly visual, and fast approach that does not adversely affect the structural performance of the composite laminate is needed. This study introduces the use of a spatially distributed electrical conductivity distribution mapping method called electrical impedance tomography (EIT). EIT reconstructs a material’s 2D or 3D electrical conductivity within a series of boundary electrodes. A 100 mA current is injected between two opposing electrodes while the adjacent differential voltages are measured at the remaining electrodes; this process is repeated for all opposing electrode pairs. Using a linear reconstruction algorithm, changes in electrical conductivity are spatially resolved and plotted for easy detection, localization, and evaluation of damage. This approach is validated by applying EIT to a set of carbon fiber-reinforced polymer composite laminates. First, damage has been simulated in composite parts by selectively removing portions of the structure and then verifying that EIT has captured this occurrence. After validation of the EIT method, pristine composite laminates have been subjected to low velocity impact damage. Before and after impact EIT readings have been taken. The differential conductivity reconstruction is presented. This work demonstrates the value of adopting electrical impedance tomography for in situ NDE of FRP composites.
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Raunija, Thakur Sudesh Kumar, and S. Babu. "Randomly oriented carbon/carbon composite." In CARBON MATERIALS 2012 (CCM12): Carbon Materials for Energy Harvesting, Environment, Nanoscience and Technology. AIP, 2013. http://dx.doi.org/10.1063/1.4810050.

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Reports on the topic "Carbone – Composites"

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Gold, Phillip I. Electrical Resistivity of Carbon-Carbon Composites,. Fort Belvoir, VA: Defense Technical Information Center, February 1988. http://dx.doi.org/10.21236/ada193006.

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Stansberry, Peter G., and John W. Zondlo. COAL DERIVED MATRIX PITCHES FOR CARBON-CARBON COMPOSITE MANUFACTURE/PRODUCTION OF FIBERS AND COMPOSITES FROM COAL-BASED PRECURSORS. Office of Scientific and Technical Information (OSTI), July 2001. http://dx.doi.org/10.2172/801029.

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Schmidt, Donald L. Carbon-Carbon Composites (CCC) - A Historical Perspective. Fort Belvoir, VA: Defense Technical Information Center, September 1996. http://dx.doi.org/10.21236/ada325314.

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Koo, J. H., L. A. Pilato, C. U. Pittman, Winzek Jr., and P. Nanomodified Carbon/Carbon Composites for Intermediate Temperature. Fort Belvoir, VA: Defense Technical Information Center, January 2004. http://dx.doi.org/10.21236/ada419919.

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Grobert, Nicole, and Richard Todd. Bio-Inspired Ceramic/Carbon Composites. Fort Belvoir, VA: Defense Technical Information Center, May 2013. http://dx.doi.org/10.21236/ada592382.

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Gutierrez, Eduardo S. Bio-Inspired Ceramic/Carbon Composites. Fort Belvoir, VA: Defense Technical Information Center, May 2013. http://dx.doi.org/10.21236/ada580827.

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Wang, H., and R. B. Dinwiddie. Thermal diffusivity mapping of 4D carbon-carbon composites. Office of Scientific and Technical Information (OSTI), March 1997. http://dx.doi.org/10.2172/446404.

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Ragland, William. Evaluation of Characterization Techniques for Carbon-Carbon Composites. Fort Belvoir, VA: Defense Technical Information Center, May 1992. http://dx.doi.org/10.21236/ada252693.

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Doll, G. L., R. M. Sakya, J. T. Nicholls, J. S. Speck, and M. S. Dresselhaus. Electronic and Structural Studies of Carbon/Carbon Composites,. Fort Belvoir, VA: Defense Technical Information Center, October 1987. http://dx.doi.org/10.21236/ada191729.

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Rellick, G. S., R. J. Zaldivar, and P. M. Adams. Fiber-Matrix Interphase Development in Carbon/Carbon Composites. Fort Belvoir, VA: Defense Technical Information Center, January 1998. http://dx.doi.org/10.21236/ada341620.

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