Gotowe bibliografie tematyczne / Carbon composites

Gotowa bibliografia na temat „Carbon composites”

Autor: Grafiati
Data publikacji: 4 czerwca 2021
Data aktualizacji: 25 lipca 2024

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Artykuły w czasopismach na temat "Carbon composites"

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Wang, Bin, Bugao Xu i Hejun Li. "Fabrication and properties of carbon/carbon-carbon foam composites". Textile Research Journal 89, nr 21-22 (13.03.2019): 4452–60. http://dx.doi.org/10.1177/0040517519836942.

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This paper was focused on the development of a new composite for high thermal insulation applications with carbon/carbon (C/C) composites, carbon foams and an interlayer of phenolic-based carbon. The microstructure, mechanical properties, fracture mechanism and thermal insulation performance of the composite was investigated. The experiment results showed that the bonding strength of the C/C-carbon foam composite was 4.31 MPa, and that the fracture occurred and propagated near the interface of the carbon foam and the phenolic-based carbon interlayer due to the relatively weak bonding. The shear load-displacement curves were characterized by alternated linear slopes and serrated plateaus before a final failure. he experiment revealed that the thermal conductivity of the C/C-carbon foam composite was 1.55 W·m−1ċK−1 in 800℃, which was 95.8% lower than that of C/C composites, proving that the thermal insulation of the new foam composite was greatly enhanced by the carbon foam with its porous hollow microstructure.
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Kumar, Ponnusamy Senthil, i G. Janet Joshiba. "Carbon Nanotube Composites". Diffusion Foundations 23 (sierpień 2019): 75–81. http://dx.doi.org/10.4028/www.scientific.net/df.23.75.

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The discovery of carbon nanotubes is one of the remarkable achievement in the field of material science and it is a great advancement of Nanotechnology. A carbon nanotube is an expedient material used in several domains and paves way for the welfare of humans in many ways. Carbon nanotubes are nanosized tubes made from graphitic carbons and it is well known for its exclusive physical and chemical properties. The market demand for the nanotubes has increased progressively due to its size dependent, structure and mechanical properties. The carbon nanotubes possess high tensile strength and it is also found to be the durable fibre ever known. It is also found to possess exceptional electrical properties. The carbon nanotube composites have an excellent young’s modulus and higher tensile strength same as graphite carbon. This review plots the properties of carbon nanotubes and portrays the planning and properties of carbon nanotube composites. The wide application of carbon nanotube composites is also explained.
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Zhang, Jun, Zude Zhou, Fan Zhang, Yuegang Tan i Renhui Yi. "Molding process and properties of continuous carbon fiber three-dimensional printing". Advances in Mechanical Engineering 11, nr 3 (marzec 2019): 168781401983569. http://dx.doi.org/10.1177/1687814019835698.

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Currently, carbon fiber composite has been applied in the field of three-dimensional printing to produce the high-performance parts with complex geometric features. This technique comprise both the advantages of three-dimensional printing and the material, which are light weight, high strength, integrated molding, and without mold, and the limitation of model complexity. In order to improve the performance of three-dimensional printing process using carbon fiber composite, in this article, a novel molding process of three-dimensional printing for continuous carbon fiber composites is developed, including the construction of printing material, the design of printer nozzle, and the modification of printing process. A suitable structure of nozzle on the printer is adjusted for the continuous carbon fiber composites. For the sake of ensuring the continuity of composited material during the processing, a cutting algorithm for jumping point is proposed to improve the printing path during process. On this basis, the experiment of continuous carbon fiber composite is performed and the mechanical properties of the printed test samples are analyzed. The results show that the tensile strength and bending strength of the sample printed by polylactic acid–continuous carbon fiber composites increased by 204.7% and 116.3%, respectively compared with pure polylactic acid materials, and those of the sample printed by nylon–continuous carbon fiber composites increased by 301.1% and 17.4% compared with pure nylon materials, and those of test sample by nylon–continuous carbon fiber composites under the heated and pressurized treatment increased by 383.6% and 233.2% compared with pure nylon material.
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Sheehan, J. E., K. W. Buesking i B. J. Sullivan. "Carbon-Carbon Composites". Annual Review of Materials Science 24, nr 1 (sierpień 1994): 19–44. http://dx.doi.org/10.1146/annurev.ms.24.080194.000315.

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Mays, Tim. "Carbon-carbon composites". Composites Science and Technology 51, nr 3 (styczeń 1994): 463–64. http://dx.doi.org/10.1016/0266-3538(94)90115-5.

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Wan Dalina, Wan Ahmad Dahalan, M. Mariatti, Radziana Ramlee, Zainal Arifin Mohd Ishak i Abdul Rahman Mohamed. "Comparison on the Properties of Glass Fiber/MWCNT/Epoxy and Carbon Fiber/MWCNT/Epoxy Composites". Advanced Materials Research 858 (listopad 2013): 32–39. http://dx.doi.org/10.4028/www.scientific.net/amr.858.32.

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A hand lay-up and vacuum bagging method was used in this study to fabricate glass fiber/epoxy laminated composites and carbon fiber/epoxy composite laminates with multi-walled carbon nanotube (MWCNT). The density, flexural properties, and burning rate of the laminated composites incorporated with different concentration of MWCNT (0.5, 1.0, and 1.5 vol%) were investigated and analyzed. Trend in the density, flexural and burning rate of glass fiber composite laminates were compared to those of carbon fiber composite laminates. Effect of MWCNT concentration on glass fiber composites properties varies from carbon fiber composite laminates. Incorporation of 0.5vol% of MWCNT has increased flexural strength by 54.4% compared to 5-ply glass fiber composite laminates. Nonetheless addition of 1vol% of MWCNT has only increased flexural strength by 34% compared to 5-ply carbon fiber laminated composites. Incorporation of MWCNT has successfully reduced the burning rate of the glass fiber composites as well as the carbon fiber laminated composites.
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Sakai, Takenobu, Tomohiko Gushiken, Jun Koyanagi, Rolando Rios-Soberanis, Tomoki Masuko, Satoshi Matsushima, Satoshi Kobayashi i Satoru Yoneyama. "Effect of Viscoelastic Behavior on Electroconductivity of Recycled Activated Carbon Composites". Applied Mechanics and Materials 70 (sierpień 2011): 231–36. http://dx.doi.org/10.4028/www.scientific.net/amm.70.231.

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In the Waterworks Bureau, the activated carbon has been used for filtering water. After the life service of activated carbon, it is normally disposed. This work focuses on the processing of a composite material in order to recycle these wasted carbon particles. These activated carbons were used for the filler of composite materials, and a composite with carbon contents of 10% ~ 60% was manufactured and characterized. They exhibited electroconductive behavior because of the carbon particles used as fillers. The electroconductivity have an intimate relationship with the strain of the material. However, because of the composite viscoelasticity, the electroconductivity presented changes by their stress relaxation behavior with the same strain. In this study, it was revealed the relationship between the viscoelasticity and the electroconductivity of recycled activated carbon composites.
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Zhang, Chun Hua, Jin Bao Zhang, Mu Chao Qu i Jian Nan Zhang. "Toughness Properties of Basalt/Carbon Fiber Hybrid Composites". Advanced Materials Research 150-151 (październik 2010): 732–35. http://dx.doi.org/10.4028/www.scientific.net/amr.150-151.732.

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Basalt fiber and carbon fiber hybrid with alternate stacking sequences reinforced epoxy composites have been developed to improve the toughness properties of conventional carbon fiber reinforced composite materials. For comparison, plain carbon fiber laminate composite and plain basalt fiber laminate composite have also been fabricated. The toughness properties of each laminate have been studied by an open hole compression test. The experimental results confirm that hybrid composites containing basalt fibers display 46% higher open hole compression strength than that of plain carbon fiber composites. It is indicated that the hybrid composite laminates are less sensitive to open hole compared with plain carbon fiber composite laminate and high toughness properties can be prepared by fibers' hybrid.
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Bahrami, Mohsen, Juana Abenojar, Gladis M. Aparicio i Miguel Angel Martínez. "Thermal Stability, Durability, and Service Life Estimation of Woven Flax-Carbon Hybrid Polyamide Biocomposites". Materials 17, nr 9 (26.04.2024): 2020. http://dx.doi.org/10.3390/ma17092020.

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Woven flax-carbon hybrid polyamide biocomposites offer a blend of carbon fibers’ mechanical strength and flax’s environmental advantages, potentially developing material applications. This study investigated their thermal behavior, degradation kinetics, and durability to water uptake and relative humidity exposure and compared them with pure flax and carbon composites with the same matrix. The hybrid composite exhibited intermediate water/moisture absorption levels between pure flax and carbon composites, with 7.2% water absorption and 3.5% moisture absorption. It also displayed comparable thermal degradation resistance to the carbon composite, effectively maintaining its weight up to 300 °C. Further analysis revealed that the hybrid composite exhibited a decomposition energy of 268 kJ/mol, slightly lower than the carbon composite’s value of 288.5 kJ/mol, indicating similar thermal stability. Isothermal lifetime estimation, employing the activation energy (Ed) and degree of conversion facilitated by the Model Free Kinetics method, indicated a 41% higher service life of the hybrid laminate at room temperature compared to the carbon laminate. These insights are crucial for understanding the industrial applications of these materials without compromising durability.
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Bilisik, Kadir, Nesrin Karaduman i Erdal Sapanci. "Short-beam shear of nanoprepreg/nanostitched three-dimensional carbon/epoxy multiwall carbon nanotube composites". Journal of Composite Materials 54, nr 3 (15.07.2019): 311–29. http://dx.doi.org/10.1177/0021998319863472.

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The effect of out-of-plane stitching and the addition of multiwalled carbon nanotubes on the short-beam shear properties of carbon/epoxy composites were investigated. Stitching influenced the short-beam strength of carbon satin and twill fabric composites, where the stitched satin carbon/epoxy composites showed improved short-beam properties compared with the unstitched satin carbon/epoxy composites. In general, stitching and MWCNTs addition enhanced the short-beam strength of the composite. The fracture of the composites generally exhibited as a combination of lateral total matrix cracking, warp fiber breakage and interlayer opening. In addition, all the structures experienced angularly sheared catastrophic through-the-thickness layer breakage. It was also shown that delamination was largely restricted in stitched and nano-added composites when compared to the unstitched samples. It can be concluded that nanostitching could be considered for improving short-beam strength properties of the composite.
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Rozprawy doktorskie na temat "Carbon composites"

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Carapella, Elissa E. "Micromechanics of crenulated fibers in carbon/carbon composites". Thesis, This resource online, 1992. http://scholar.lib.vt.edu/theses/available/etd-09192009-040251/.

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Buchanan, Fraser James. "Oxidation and protection of carbon-carbon composites". Thesis, University of Cambridge, 1993. https://www.repository.cam.ac.uk/handle/1810/283685.

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Dillon, Frank. "Pitch for carbon composites". Thesis, University of Newcastle Upon Tyne, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.315565.

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Matzinos, Panagiotis D. "Coal-tar pitch as the matrix carbon precursor in carbon-carbon composites". Thesis, Loughborough University, 1995. https://dspace.lboro.ac.uk/2134/28083.

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Coal-tar pitch is a promising carbon matrix precursor for carbon-carbon composites. It has a suitable viscosity, high carbon yield, and it forms graphitic structures. In addition, pitch is a relatively cheap raw material. This thesis is a study on the use of coal-tar pitch as carbon matrix precursor in carbon–carbon composites.
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Crocker, Philippa. "Structural effects of oxidation of carbon/carbon composites". Thesis, University of Bath, 1991. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.293204.

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Allen, Abraham Keith. "A method for winding advanced composites of unconventional shapes using continuous and aligned fibers /". Diss., CLICK HERE for online access, 2004. http://contentdm.lib.byu.edu/ETD/image/etd639.pdf.

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Obst, Andreas W. "Thermal stresses in coatings on carbon-carbon composites". Diss., Virginia Tech, 1995. http://hdl.handle.net/10919/39111.

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Huang, Y. Y. S. "Carbon nanotube composites and networks". Thesis, University of Cambridge, 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.604698.

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Strong interactions are present in as-grown carbon nanotube. When carbon nanotubes are used in macroscopic forms of composites, the properties of the ensemble are often governed by the characteristic interaction and the morphology of the percolating nanotube networks, while the intrinsic attributes associated with a single, individual nanotube become less apparent. Experiments and theoretical models were developed to study this interaction, and ultimately to optimize the fabrication of carbon nanotube composites and networks. Short carbon nanotubes can be produced via sonication cutting. The same process can be applied to determine the strength of nano-filaments of different natures. Rheometry was found to be useful to provide qualitative information about the spatial distribution and orientation of carbon nanotubes in a liquid medium. In all, the choice of dispersion and processing techniques determines the final microstructure, there it plays a critical role in varying the physical properties and subsequent applications of the carbon nanotube/ polymer composites. The studies presented here have also paved new ways to tailor the electrical properties of generic carbon nanotube-polymer composites, and to create structures for soft electrodes and conductive networks for transparent flexible coatings.
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Samalot, Rivera Francis J. "Processing, characterization and modeling of carbon nanofiber modified carbon/carbon composites". Birmingham, Ala. : University of Alabama at Birmingham, 2007. https://www.mhsl.uab.edu/dt/2008r/rivera.pdf.

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Thesis (Ph. D.)--University of Alabama at Birmingham, 2007.
Additional advisors: Krishan K. Chawla, Derrick Dean, Yogesh Vohra, Mark Weaver. Description based on contents viewed Feb. 13, 2009; title from PDF t.p. Includes bibliographical references (p. 174-186).
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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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Książki na temat "Carbon composites"

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D, Buckley John, i Edie Danny D. 1943-, red. Carbon-carbon materials and composites. Park Ridge, N.J., U.S.A: Noyes Publications, 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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Savage, G. Carbon-Carbon Composites. Dordrecht: Springer Netherlands, 1993.

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Castro, Eduardo A., Ann Rose Abraham i A. K. Haghi. Carbon Composites. New York: Apple Academic Press, 2023. http://dx.doi.org/10.1201/9781003331285.

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Fitzer, E., i 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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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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Buckley, John D. Carbon-carbon materials and composites. Hampton, Va: Langley Research Center, 1992.

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R, Thomas C., i Royal Society of Chemistry (Great Britain), red. Essentials of carbon-carbon composites. Cambridge: Royal Society of Chemistry, 1993.

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Części książek na temat "Carbon composites"

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

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Meyer, R. A., i S. R. Gyetvay. "Carbon-Carbon Composites". W 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". W 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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Appleyard, S. P., i B. Rand. "Carbon-Carbon Composites". W 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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Zhang, Shouyang, Yulei Zhang, Aijun Li, Qiang Chen, Xiaohong Shi, Jianfeng Huang i Zhibiao Hu. "Carbon Composites". W 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. "Introduction". W Carbon-Carbon Composites, 1–36. Dordrecht: Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-011-1586-5_1.

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Savage, G. "Technology Summary and Market Review". W Carbon-Carbon Composites, 361–83. Dordrecht: Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-011-1586-5_10.

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Savage, G. "Carbon Fibres". W Carbon-Carbon Composites, 37–83. Dordrecht: Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-011-1586-5_2.

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Savage, G. "Gas Phase Impregnation/Densification of Carbon-carbon and other High-temperature Composite Materials". W Carbon-Carbon Composites, 85–116. Dordrecht: Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-011-1586-5_3.

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Streszczenia konferencji na temat "Carbon composites"

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Sudhir, Aswathi, Abhilash M. Nagaraja i Suhasini Gururaja. "Effective Mechanical Properties of Carbon-Carbon Composites". W 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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Eitman, D. A., R. W. Kidd i R. B. Dirling. "Advanced Oxidation Protection System for Carbon-Carbon Composites". W 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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Sapozhnikov, S., M. Gundappa, S. Lomov, Y. Swolfs i V. Carvelli. "Quasi-Isotropic Carbon-Carbon Hybrid Laminate: Static and Low-Cyclic Performance". W VIII Conference on Mechanical Response of Composites. CIMNE, 2021. http://dx.doi.org/10.23967/composites.2021.028.

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Mbodj, Coumba, Mathieu Renouf, Laurent Baillet i Yves Berthier. "Modeling of Carbon/Carbon Composites Under Tribological Solicitations". W STLE/ASME 2010 International Joint Tribology Conference. ASMEDC, 2010. http://dx.doi.org/10.1115/ijtc2010-41133.

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The present work proposes a methodology study of Carbon/Carbon composites under dynamical stress and conditions of rubbing contact. It is based on the use of finite elements method (FEM), and homogenization technique is applied an elementary cell of composite under contact condition. The comparison of random equivalent representative volume element underlines the importance to take into account the contact interface in such process.
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Saad, Messiha, Darryl Baker i Rhys Reaves. "Thermal Characterization of Carbon-Carbon Composites". W ASME 2011 International Mechanical Engineering Congress and Exposition. ASMEDC, 2011. http://dx.doi.org/10.1115/imece2011-64061.

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Thermal properties of materials such as specific heat, thermal diffusivity, and thermal conductivity are very important in the engineering design process and analysis of aerospace vehicles as well as space systems. These properties are also important in power generation, transportation, and energy storage devices including fuel cells and solar cells. Thermal conductivity plays a critical role in the performance of materials in high temperature applications. Thermal conductivity is the property that determines the working temperature levels of the material, and it is an important parameter in problems involving heat transfer and thermal structures. The objective of this research is to develop thermal properties data base for carbon-carbon and graphitized carbon-carbon composite materials. The carbon-carbon composites tested were produced by the Resin Transfer Molding (RTM) process using T300 2-D carbon fabric and Primaset PT-30 cyanate ester. The graphitized carbon-carbon composite was heat treated to 2500°C. The flash method was used to measure the thermal diffusivity of the materials; this method is based on America Society for Testing and Materials, ASTM E1461 standard. In addition, the differential scanning calorimeter was used in accordance with the ASTM E1269 standard to determine the specific heat. The thermal conductivity was determined using the measured values of their thermal diffusivity, specific heat, and the density of the materials.
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Gajiwala, H. M., U. K. Vaidya, S. Sodah i S. Jeelani. "Toughening, Strengthening and Densification Approaches Applied to Carbon/Carbon Composites". W ASME 1996 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 1996. http://dx.doi.org/10.1115/imece1996-0214.

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Abstract The current study is directed towards development of high performance, toughened, strengthened and easily processable carbon/carbon (C/C) composites. These composites were developed through a hybridized matrix approach involving conventional resole-type resin precursor used in conjunction with an in-house synthesized processable polyimide resin. Plain weave graphite fabric layers were impregnated with a resole-type phenolic resin and thermo-oxidatively stable, high carbon yield polyimide resin by the hand lay-up technique. The resultant composite was subjected to two successive cycles of carbonization followed by densification, to obtain a C/C composite. At each stage of the process, the composite was subjected to quantitative ultrasonic velocity measurements using longitudinal dry coupling transducers to characterize the elastic constants in three directions. Destructive interlaminar shear strength (ILSS) testing was done at various stages of processing to determine the failure modes and mechanisms that lead to toughening and strengthening.
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DRAWIN, S., M. BACOS, J. DORVAUX i O. LAVIGNE. "Oxidation model for carbon-carbon composites". W AlAA 4th International Aerospace Planes Conference. Reston, Virigina: American Institute of Aeronautics and Astronautics, 1992. http://dx.doi.org/10.2514/6.1992-5016.

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Tehrani, Mehran, Masoud Safdari, Scott W. Case i Marwan S. Al-Haik. "Using Multiscale Carbon Fiber/Carbon Nanotubes Composites for Damping Applications". W 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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BROWN, AVERY D., CHARLES E. BAKIS i EDWARD C. SMITH. "Interlaminar Shear Strength of Carbon/Epoxy Composite with Aligned Carbon Nanotube Yarn Interlayers". W American Society for Composites 2020. Lancaster, PA: DEStech Publications, Inc., 2020. http://dx.doi.org/10.12783/asc35/34858.

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Kawakubo, Youichi, Masaki Nagata, Takashi Yokoyama, Yoshitaka Hayashi i Masahiro Arai. "Tribological Characteristics of Carbon Nanotube Thermoplastic Resin Composites". W 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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Raporty organizacyjne na temat "Carbon composites"

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

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

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

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

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

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

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

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

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

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Whitcomb, John D. Development of Numerical Constitutive Models for Carbon-Carbon Composites. Fort Belvoir, VA: Defense Technical Information Center, kwiecień 2000. http://dx.doi.org/10.21236/ada379909.

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