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Articoli di riviste sul tema "Carbon composites Testing"

Autore: Grafiati

Pubblicato: 4 giugno 2021

Ultima modifica: 31 gennaio 2023

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1

Sosa, Edward D., Erica S. Worthy, and Thomas K. Darlington. "Microwave Assisted Manufacturing and Repair of Carbon Reinforced Nanocomposites." Journal of Composites 2016 (October 13, 2016): 1–9. http://dx.doi.org/10.1155/2016/7058649.

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Abstract (sommario):

We report a composite capable of advanced manufacturing and damage repair. Microwave energy is used to induce thermal reversible polymerization of the matrix allowing for microwave assisted composite welding and repair. Composites can be bonded together in just a few minutes through microwave welding. Lap shear testing demonstrates that microwave welded composites exhibit 40% bond strength relative to composites bonded with epoxy resin. Double cantilever beam testing shows 60% recovery in delamination strength after microwave assisted composite repair. The interfacial adhesion and composite re

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2

Nazem Salimi, Masoumeh, Mehdi Torabi Merajin, and Mohammad Kazem Besharati Givi. "Enhanced mechanical properties of multifunctional multiscale glass/carbon/epoxy composite reinforced with carbon nanotubes and simultaneous carbon nanotubes/nanoclays." Journal of Composite Materials 51, no. 6 (August 20, 2016): 745–58. http://dx.doi.org/10.1177/0021998316655201.

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Hybrid composites are being used in a wide variety of applications especially in the aircraft industry. Therefore, it would be of great use to develop a hybrid composite with a high mechanical performance. With this premise, this studyaimed to imbed secondary nanoscale reinforcement into the matrix of glass/carbon/epoxy composite where amino multi-walled carbon nanotubes and hybridization of amino multi-walled carbon nanotube and Nanoclay (Cloisite 30B) were utilized. The tensile, flexural and impact properties of hybrid composites were evaluated and a comparative study between hybrid composit

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3

Arun A.K, Satish Hiremath, Kavyashree R, and Md Imamali. "Fabrication and Testing of Novel Hybrid Carbon Composite for Aircraft Applications." ACS Journal for Science and Engineering 2, no. 1 (March 1, 2022): 33–40. http://dx.doi.org/10.34293/acsjse.v2i1.26.

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Even though many advanced composite material fabrication method is available, still hand layup method is a major part of a research work. Hand-layup process is time consuming and inconsistent method, but due its low cost and versatility, this method is used for production of composites. In this project, a hybrid carbon composite has been fabricated and tested for two different compositions. From testing results we studied that carbon-glass composite fiber is tougher than the glass-bagasse-carbon composite fiber and which is harder than the glass-bagasse-carbon composite fiber. The limitation o

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4

Wang, Xiaojun, Xuli Fu, and D. D. L. Chung. "Electromechanical study of carbon fiber composites." Journal of Materials Research 13, no. 11 (November 1998): 3081–92. http://dx.doi.org/10.1557/jmr.1998.0420.

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Electromechanical testing involving simultaneous electrical and mechanical measurements under load was used to study the fiber-matrix interface, the fiber residual compressive stress, and the degree of marcelling (fiber waviness) in carbon fiber composites. The interface study involved single fiber pull-out testing while the fiber-matrix contact electrical resistivity was measured. The residual stress study involved measuring the electrical resistance of a single fiber embedded in the matrix while the fiber was subjected to tension through its exposed ends. The marcelling study involved measur

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5

Kummerlöwe, Claudia, Norbert Vennemann, and Achim Siebert. "Carbon Nanotube Elastomer Composites." Advanced Materials Research 844 (November 2013): 322–25. http://dx.doi.org/10.4028/www.scientific.net/amr.844.322.

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Composites of multi walled carbon nanotubes and several synthetic rubbers as well as natural rubber were investigated regarding their mechanical properties, electrical and thermal conductivity and vulcanization properties. The composites were prepared by a melt mixing process. Induction and cure times obtained from rheometer curves exhibited a considerable decrease with increasing filler loading and kinetic investigations using a first order model indicated a distinct reduction of the activation energy. An examination of the crosslink density by equilibrium swelling and hysteresis tensile test

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6

Dai, R. L., and W. H. Liao. "Carbon Nanotube Composites for Vibration Damping." Advanced Materials Research 47-50 (June 2008): 817–20. http://dx.doi.org/10.4028/www.scientific.net/amr.47-50.817.

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It has been found that the composites of carbon nanotubes (CNTs) and epoxy resin could greatly enhance damping ability while the stiffness is kept high. In this paper, carbon nanotube enhanced epoxy resin is fabricated. A testing apparatus for obtaining composite dynamic properties is set up. In particular, the loss factors are measured. Experimental results show that CNT additive can provide the composite with several times higher damping as compared with pure epoxy. A finite element model is built to simulate the composite damping. CNT diameter and segment length are investigated using the d

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7

Pang, Laixue, Jinsheng Zhang, and Jing Xu. "Preparation and Mechanical Properties of Fe3Al-MWNTs Composites." Advanced Composites Letters 17, no. 4 (July 2008): 096369350801700. http://dx.doi.org/10.1177/096369350801700404.

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Multiwall carbon nanotubes (MWNT) reinforced iron aluminides (Fe3Al) intermetallic matrix composites have been prepared by a conventional (hot pressing) sintering method. Morphological, structural, compositional and mechanical properties investigations have been performed. Compressive testing shows that the composites still display high yield strength. The first results show that carbon nanotubes have been preserved in composite structure during the sintering process.

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8

Patro, Brundaban, D. Shashidhar, B. Rajeshwer, and Saroj Kumar Padhi. "Preparation and Testing of PAN Carbon/Epoxy Resin Composites." Open Mechanical Engineering Journal 11, no. 1 (June 21, 2017): 14–24. http://dx.doi.org/10.2174/1874155x01711010014.

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Background: Due to light weight, high performance and excellent mechanical properties, carbon fibers are considered a key material in the 21st century. These are extensively used in many industries for structural usages, such as aerospace, aeronautical, sporting goods applications, and automotive and medical devices, due to their desirable strength to weight properties. Now, these are globally accepted as a high performance and high-strength material. Most of the carbon fibers are derived from polyacrylonitrile fiber precursor. These materials have the potential for fire hazards caused due to

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9

Islam, Md Zahirul, Ali Amiri, and Chad A. Ulven. "Fatigue Behavior Comparison of Inter-Ply and Intra-Ply Hybrid Flax-Carbon Fiber Reinforced Polymer Matrix Composites." Journal of Composites Science 5, no. 7 (July 14, 2021): 184. http://dx.doi.org/10.3390/jcs5070184.

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Hybridization of natural fiber with synthetic fiber to reinforce polymer matrix composites is an effective way of increasing fatigue strength of composites with substantial amount of bio-based content. Flax is the strongest type of bast natural fiber, possessing excellent mechanical and damping properties. Fatigue properties of flax fiber hybridized with synthetic carbon fiber reinforced polymer matrix composites were studied. Fatigue properties of inter-ply hybrid flax-carbon fiber reinforced composite were compared to intra-ply hybrid flax-carbon fiber reinforced composites through tensile f

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10

He, Xun Lai, Jun Hui Yin, Zhen Qian Yang, and Hong Wei Liu. "Damage Mechanism Analysis of Carbon Fiber Composites under Compressive Load." Key Engineering Materials 775 (August 2018): 36–42. http://dx.doi.org/10.4028/www.scientific.net/kem.775.36.

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Carbon fiber composite material with light weight, high strength, corrosion resistance and other characteristics of its impact damage mechanism is different from the traditional metal materials. In this paper, the quasi-static compression of carbon fiber composites was carried out by using a material testing machine to analyze the damage mechanism. The Hopkinson bar technology was used to test the dynamic mechanical properties. The damage mechanism of the carbon fiber composites under dynamic compressive loading was studied. Stress - Strain relationship of composites under Quasi - static and d

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11

Park, Ji Sang, Byung Sun Kim, Jin Bong Kim, and Tae Wook Kim. "Effect of VGCF Addition to Carbon Fabric/Ep." Key Engineering Materials 334-335 (March 2007): 741–44. http://dx.doi.org/10.4028/www.scientific.net/kem.334-335.741.

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Despite of the excellent properties of carbon nanofiber, the properties of carbon nanofiber filled polymer composite were not improved as much as expected. The usual reason may be not sufficient dispersion of the nanofibers within the composites. For the improvement in the mechanical properties of composites, the carbon nanofiber reinforced hybrid composites was investigated. For the dispersion of the carbon nanofiber, the solution blending method using ultrasonic was used. The hybrid composite was manufactured by the Solution-Dip-Type prepreg manufacturing machine. This machine is consisted o

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12

Jeon, Kyung-Soo, R. Nirmala, Seong-Hwa Hong, Yong-II Chung, R. Navamathavan, and Hak Yong Kim. "A Study on Mechanical Properties of Short Carbon Fiber Reinforced Polycarbonate via an Injection Molding Process." Sensor Letters 18, no. 11 (November 1, 2020): 801–5. http://dx.doi.org/10.1166/sl.2020.4290.

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This manuscript is dealt with the synthesis of short carbon fibers reinforced polycarbonate polymer composite by using injection modeling technique. Four different composite materials were obtained by varying the carbon fibers weight percentage of 10, 20, 30 and 40%. The synthesized carbon fibers/polycarbonate composites were characterized for their morphological, mechanical and thermal properties by means of scanning electron microscopy (SEM), universal testing machine (UTM) and IZOD strength test. The resultant carbon fibers/polycarbonate composites exhibited excellent interfacial adhesion b

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13

Bonnia, Noor Najmi, Aein Afina Redzuan, Siti Norasmah Surip, and Noor Azlina Hassan. "Mechanical Properties of Toughened Polyester Reinforced with Untreated and Treated Kenaf Hybird Carbon Composite." Materials Science Forum 894 (March 2017): 17–20. http://dx.doi.org/10.4028/www.scientific.net/msf.894.17.

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This research focusing on mechanical properties of rubber toughened polyester filled carbon black (RPCB) reinforced with untreated kenaf (RPCBUK) and treated kenaf (RPCBTK). The samples were fabricated via compression moulding technique in which 3 % of LNR was added as toughening agent in this composite. Percentages of carbon black (CB) is 4 % and kenaf used vary from 5,10,15,20 and 25wt %. The mechanical properties were evaluated by impact and fracture toughness testing. The result for each test was discussed to determine the most optimum loading of kenaf fibre used to produce the best proper

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14

Dúbravčík, Michal. "Application of Natural Fibers in Hybrid Composite Materials." Materials Science Forum 818 (May 2015): 311–15. http://dx.doi.org/10.4028/www.scientific.net/msf.818.311.

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The presented article deals about hybrid composite materials based on natural fibers and their mechanical testing. It contains test process of composite materials, which contain staple fibers and whole fibers of hemp, cotton, sisal and jute combined with carbon fabric. The objective of the thesis is to confirm or decline the ability of hybrid bio-composites usage in automotive industry following the testing results. Experimental part contains the methods of bio-composites test samples manufacturing and the testing, particularly tensile strength testing and impact test at a bending. The results

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15

Xu, Ran, Yong Wang, Run Hong Liu, and Hao Zou. "Research on the Friction and Wear Properties of the Copper Matrix Composites Reinforced with Copperized Carbon Fibers." Applied Mechanics and Materials 556-562 (May 2014): 624–27. http://dx.doi.org/10.4028/www.scientific.net/amm.556-562.624.

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The aim of this paper is to develop a kind of copper matrix self-lubricious material with excellent friction and wear characteristics. The copper-graphite composites reinforced with short copper-coated carbon fibers (CF-C/Cu) were successfully developed using techniques of mechanical alloying, composite plating and hot press vacuum sintering. For comparison, copper-graphite composites without short copper-coated carbon fibers (C/Cu) were made under the same process. The wear testing was carried out using a rapid wear testing machine (M-200).Friction coefficient was measured by a micro-wear tes

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16

Tian, Yu Qin, and Jun Long Huo. "The Mechanical and Tribological Properties of Carbon Fiber Reinforced POM Composites." Applied Mechanics and Materials 182-183 (June 2012): 135–38. http://dx.doi.org/10.4028/www.scientific.net/amm.182-183.135.

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Different contents of carbon fiber were employed as reinforcement for Polyoxymethylene (POM) composite. All filled and unfilled POM composites were tested against CGr15 ball and representative testing was performed. The effects of carbon fiber content on tribological properties of the POM composites were investigated. The worn surface morphologies of pure POM and its composites were examined by scanning electron microscopy (SEM) and the wear mechanisms were discussed. Results show that all filled polyimides have superior tribological characteristics to unfilled ones. The optimum wear reduction

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17

Anggrainy, Rani, Riza Wirawan, and Siska Titik Dwiyati. "Pengaruh Konsentrasi NaOH terhadap Sifat Termal Komposit Eceng Gondok dan Carbon Nanotube (CNT) dalam Matriks HDPE." Jurnal Permadi: Perancangan, Manufaktur, Material dan Energi 3, no. 1 (January 29, 2021): 1–11. http://dx.doi.org/10.52005/permadi.v3i1.43.

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This study aims to determine the effect of alkali concentration on the thermal properties of HDPE composites with water hyacinth and carbon nanotubes (CNTs). The method used in this study is the experimental method. Composites made of natural fiber filler, the alkali treated water hyacinth. The water hyacinth was also filled was treated in alkali solution at various concentration (0%, 2%, 4%, 6%, and 8%). In addition to using water hyacinth fiber, the carbon nanotube (CNT) in a matrix of high-density polyethylene (HDPE). The composites were made using Rheomix OS machine. Furthermore, thermal t

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18

Bakošová, Dana, and Alžbeta Bakošová. "Testing of Rubber Composites Reinforced with Carbon Nanotubes." Polymers 14, no. 15 (July 27, 2022): 3039. http://dx.doi.org/10.3390/polym14153039.

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Carbon nanotubes (CNTs) have attracted growing interest as a filler in rubber nanocomposites due to their mechanical and electrical properties. In this study, the mechanical properties of a NR/BR/IR/SBR compound reinforced with single-wall carbon nanotubes (SWCNTs) were investigated using atomic force microscopy (AFM), tensile tests, hardness tests, and a dynamical mechanical analysis (DMA). The tested materials differed in SWCNT content (1.00–2.00 phr) and were compared with a reference compound without the nanofiller. AFM was used to obtain the topography and spectroscopic curves based on wh

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19

Saylık, Ahmet, and Şemsettin Temiz. "Low-speed impact behavior of fiber-reinforced polymer-based glass, carbon, and glass/carbon hybrid composites." Materials Testing 64, no. 6 (June 1, 2022): 820–31. http://dx.doi.org/10.1515/mt-2021-2179.

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Abstract Impact is defined as an instantaneous external force applied to a material or structure at low, medium, and high speeds over a very short period of time. In this study, we investigate the impact behavior of glass-epoxy composite (GFRP), carbon-epoxy composite (CFRP), and glass/carbon-epoxy hybrid composite (GCFRP) samples subjected to low-velocity impact testing with varying impact energy levels. Composite plates of 330 × 330 mm2 consisting of eight layers were prepared using the VARTM method for impact experiments. Each composite type was tested with impact energy values of 10, 20, 3

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20

Li, Hui, and Karl Englund. "Recycling of carbon fiber-reinforced thermoplastic composite wastes from the aerospace industry." Journal of Composite Materials 51, no. 9 (September 26, 2016): 1265–73. http://dx.doi.org/10.1177/0021998316671796.

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Post-industrial trimmings and off-cuts of carbon fiber/polyether ether ketone composite were successfully recycled into new composite products. The original composites were thermally characterized by dynamic thermomechanical analysis, differential scanning calorimetry, and thermogravimetric analysis. Melt-bonding and thermoset adhesives were used to bond the carbon fiber/polyether ether ketone. Performance of the bond was evaluated through double lap-shear tests. The carbon fiber/polyether ether ketone scraps were mechanically refined to a variety of elemental sizes, subsequently subjected to

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21

Bale, Jefri, Emmanuel Valot, Martine Monin, Olivier Polit, Claude Bathias, and Tresna Soemardi. "Tomography Observation of Fiber Reinforced Composites after Fatigue Testing." Applied Mechanics and Materials 799-800 (October 2015): 937–41. http://dx.doi.org/10.4028/www.scientific.net/amm.799-800.937.

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This work presented an experimental study to observe the inside conditions and damage appearances of fiber reinforced composites material by non destructive testing (NDT) method. In order to achieve this, an open hole specimen of unidirectional glass fiber composite (GFRP) and discontinuous carbon fiber composite (DCFC) had been using as the specimen test under tensile fatigue loading and observed using post failure monitoring techniques of NDT namely computed tomography (CT) scan. The results shown that the tomography observation based on segmentation method of gray value gives a good detecti

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22

Gulevskiy, Viktor Alexandrovich, Pavel Stanislavovich Golovinov, Anna Sergeevna Knyazeva, and Nikolay Alexeevich Kidalov. "A Technology for Production of Carbon-Graphite-Aluminium Alloy Composite and Areas of its Application." Key Engineering Materials 743 (July 2017): 73–78. http://dx.doi.org/10.4028/www.scientific.net/kem.743.73.

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The article describes a technology for producing carbon-graphite-aluminium composite by non-autoclave gasless impregnation of a carbon-graphite skeleton by matrix alloy of aluminium and presents the results of testing, application areas and assessment of the properties of obtained composites as well.

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23

Palola, Sarianna, Pekka Laurikainen, Sonia García-Arrieta, Egoitz Goikuria Astorkia, and Essi Sarlin. "Towards Sustainable Composite Manufacturing with Recycled Carbon Fiber Reinforced Thermoplastic Composites." Polymers 14, no. 6 (March 9, 2022): 1098. http://dx.doi.org/10.3390/polym14061098.

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Currently, the vast majority of composite waste is either landfilled or incinerated, causing a massive burden on the environment and resulting in the loss of potentially valuable raw material. Here, conventional pyrolysis and reactive pyrolysis were used to reclaim carbon fibers from aeronautical scrap material, and to evaluate the feasibility of using reclaimed carbon fibers in structural components for the automotive sector. The need for fiber sizing was investigated as well as the behavior of the fiber material in macroscopic impact testing. The fibers were characterized with the single fib

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24

Zhai, Ping, Xiao Feng Duan, Da Qian Chen, Chong Hai Wang, Fang Gao, and Bo Dong. "Carbon Fiber Reinforced Phosphate Porous Ceramic Composites." Key Engineering Materials 512-515 (June 2012): 916–19. http://dx.doi.org/10.4028/www.scientific.net/kem.512-515.916.

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Fiber porous ceramics are the excellent candidates for a variety of applications, and thus, their research is a hotspot in recent years. In this study, carbon fiber reinforced phosphate porous ceramics composites were prepared by acupuncture and in-situ solidification vacuum-assisted liquid-phase infiltration method. The tensile strength of composite was tested by universal testing machine, the microstructures of the specimen were observed by scanning electron microscopy while the thermal analysis was detected by Thermo Gravimetric Analyzer. The results show that the carbon fiber reinforced ph

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25

Fischlschweiger, Michael, Alexander Stock, and Markus Thurmeier. "Integrated Defect Classification in Manufacturing of Carbon Fibre Reinforced Thermoplastic Polymer Matrix Composites." Materials Science Forum 879 (November 2016): 554–59. http://dx.doi.org/10.4028/www.scientific.net/msf.879.554.

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Thermoplastic polymer matrix composites with continuous carbon fibre reinforcements are of crucial relevance in automotive industry. The mix of high performance and cost effective manufacturing makes them attractive for high volume production. However, it could be shown that production integrated end of line quality control is of strong importance to ensure continuous and traceable part quality. Besides, typical non destructive testing method specifications, higher production volumes additionally require short testing times. Herein, the application of active thermography as end of line quality

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Bambach, Mike R. "Direct Comparison of the Structural Compression Characteristics of Natural and Synthetic Fiber-Epoxy Composites: Flax, Jute, Hemp, Glass and Carbon Fibers." Fibers 8, no. 10 (September 28, 2020): 62. http://dx.doi.org/10.3390/fib8100062.

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Recent decades have seen substantial interest in the use of natural fibers in continuous fiber reinforced composites, such as flax, jute and hemp. Considering potential applications, it is of particular interest how natural fiber composites compare to synthetic fiber composites, such as glass and carbon, and if natural fibers can replace synthetic fibers in existing applications. Many studies have made direct comparisons between natural and synthetic fiber composites via material coupon testing; however, few studies have made such direct comparisons of full structural members. This study prese

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27

Liu, Fang, Shiqiang Deng, and Jianing Zhang. "Mechanical Properties of Epoxy and Its Carbon Fiber Composites Modified by Nanoparticles." Journal of Nanomaterials 2017 (2017): 1–9. http://dx.doi.org/10.1155/2017/8146248.

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Compressive properties are commonly weak parts in structural application of fiber composites. Matrix modification may provide an effective way to improve compressive performance of the composites. In this work, the compressive property of epoxies (usually as matrices of fiber composites) modified by different types of nanoparticles was firstly investigated for the following study on the compressive property of carbon fiber reinforced epoxy composites. Carbon fiber/epoxy composites were fabricated by vacuum assisted resin infusion molding (VARIM) technique using stitched unidirectional carbon f

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28

Kumar, Rajnish, Lars P. Mikkelsen, Hans Lilholt, and Bo Madsen. "Experimental Method for Tensile Testing of Unidirectional Carbon Fibre Composites Using Improved Specimen Type and Data Analysis." Materials 14, no. 14 (July 14, 2021): 3939. http://dx.doi.org/10.3390/ma14143939.

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This paper presents an experimental method for tensile testing of unidirectional carbon fibre composites. It uses a novel combination of a new specimen geometry, protective layer, and a robust data analysis method. The experiments were designed to test and analyze unprotected (with conventional end-tabs) and protected (with continuous end-tabs) carbon fibre composite specimens with three different specimen geometries (straight-sided, butterfly, and X-butterfly). Initial stiffness and strain to failure were determined from second-order polynomial fitted stress–strain curves. A good agreement be

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Sekulić, D. R., I. M. Djordjević, M. V. Gordić, Zijah Burzić, and M. M. Stevanović. "Gamma Radiation Effects on Mechanical Properties of Carbon/Epoxy Composites." Materials Science Forum 518 (July 2006): 549–54. http://dx.doi.org/10.4028/www.scientific.net/msf.518.549.

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Unidirectional and angle-ply carbon/epoxy laminates were gamma irradiated up to doses of 12 and 20 MGy. Composites with two different, low and high temperature epoxy matrices have been submitted to irradiation and subsequent mechanical testing. The radiation effects were studied by measuring in-plane, interalminar shear and transverse tensile strength, as well as interlaminar strain energy release rate of tested composites. The immersion of composite plate in water at 80 oC and mechanical measurements at elevated temperatures emphasized irradiation effects on mechanical properties.

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Hamid, Sami, and Abhishek Thakur. "Investigating Mechanical Properties of Carbon Glass Jute Fiber based Composite." Journal of University of Shanghai for Science and Technology 23, no. 06 (June 8, 2021): 923–31. http://dx.doi.org/10.51201/jusst/21/05346.

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Hybrid composites are made by combining natural and synthetic fibers with an effective matrix, which usually means they’ve received additional strengthening, such as epoxy, to create the additional material properties you can’t obtain on their own. To attain the desirable tensile modulus, compressive modulus, and so on, a fiber composite needs to be added to the FRP (Fiber Reinforced Polymer). Polymer matrix composites are light and cost-effective to manufacture, but they still friendly to the environment and have viable applications, which is why they are often used in various commercial appl

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Zhao, Gui Ping, Zheng Hao Wang, Jian Xin Zhang, and Qiao Ping Huang. "Modeling and Testing Strain Rate-Dependent Tensile Strength of Carbon/Epoxy Composites." Key Engineering Materials 353-358 (September 2007): 1418–21. http://dx.doi.org/10.4028/www.scientific.net/kem.353-358.1418.

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Tensile strength is an important material property and usually can be determined experimentally. The strain rate dependent behavior of T300 carbon/epoxy matrix composite was characterized over a wide strain rate range (10×10-5 s-1to10×104s-1). The low to moderate strain rate experiments were carried out on a MTS machine, while the high strain rate experiment was conducted with a split Hopkinson tensile bar. A rate dependent model was introduced to simulate the material response. Two kinds of stacking sequence of composite specimens [(45/-45)4]s and [(0/45/90/-45)2]s were tested at different st

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Chen, Li, Qi Lin Zhao, Ke Bin Jiang, and Yong Ding. "Pultrusion Technology Optimization for Hybrid Fiber Composites Based on DSC and Mechanical Property Testing." Advanced Materials Research 295-297 (July 2011): 383–87. http://dx.doi.org/10.4028/www.scientific.net/amr.295-297.383.

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In the interest of improving the curing effect and mechanical properties of pultruded carbon/glass bybrid fiber composites, the DSC (Differential Scanning Calorimetry) technology was introduced and the curing DSC curves for the hybrid fiber composites at 4 different heating rates was attained. Then the range of the processing temperature for the three-stage heating pultrusion was primarily determined with T-β method. Subsequently a kind of carbon/glass hybrid composite pole with a diameter of 11mm was selected as the research object, and was manufactured with varies of processing temperatures

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Yu, Sang Sang, Hui Feng Zheng, Wang Cheng, and Ting Hao Tang. "Research on the Nonlinear Ultrasonic Testing of CFRP Based on Abaqus." Applied Mechanics and Materials 610 (August 2014): 205–8. http://dx.doi.org/10.4028/www.scientific.net/amm.610.205.

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In order to overcome the limitations of conventional ultrasonic testing method to detect small defects of carbon fiber composite material, ultrasonic nonlinear detection method was proposed based on finite amplitude. Firstly the detection mechanism of finite amplitude method was studied, then the detection model was created, and ultrasonic nonlinear characteristics of carbon fiber composites was analyzed by finite element simulation, finally relative non-linear coefficients follow the change of defect length and width show that the finite amplitude method has a high sensitivity to detect small

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Burgani, Thiago de Sousa, Seyedhamidreza Alaie, and Mehran Tehrani. "Modeling Flexural Failure in Carbon-Fiber-Reinforced Polymer Composites." Journal of Composites Science 6, no. 2 (January 19, 2022): 33. http://dx.doi.org/10.3390/jcs6020033.

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Abstract (sommario):

Flexural testing provides a rapid and straightforward assessment of fiber-reinforced composites’ performance. In many high-strength composites, flexural strength is higher than compressive strength. A finite-element model was developed to better understand this improvement in load-bearing capability and to predict the flexural strength of three different carbon-fiber-reinforced polymer composite systems. The model is validated against publicly available experimental data and verified using theory. Different failure criteria are evaluated with respect to their ability to predict the strength of

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35

Zhang, Z. H., and N. Yu. "Fatigue of Carbon Nanotube-Reinforced Composites." Advanced Materials Research 446-449 (January 2012): 3128–31. http://dx.doi.org/10.4028/www.scientific.net/amr.446-449.3128.

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Abstract (sommario):

The present work studies the fatigue strength of carbon nanotube-reinforced composites. The as-received muti-walled carbon nanotubes are separated and distributed in epoxy using a sonication method. The fatigue specimens are tested in a rotating beam testing machine. Effects of reinforcement and notch on the stress – life behavior are experimentally characterized.

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36

Kravcov, Alexander N., Pavel Svoboda, Adam Konvalinka, Elena B. Cherepetskaya, Alexsander A. Karabutov, Dmitry V. Morozov, and Ivan A. Shibaev. "Laser-Ultrasonic Testing of the Structure and Properties of Concrete and Carbon Fiber-Reinforced Plastics." Key Engineering Materials 722 (December 2016): 267–72. http://dx.doi.org/10.4028/www.scientific.net/kem.722.267.

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Abstract (sommario):

This paper discusses the possibility of studying composite materials by non-destructive laser-ultrasonic testing technique. Concrete samples and carbon-epoxy composites were examined, defects located and elastic wave velocities measured. The internal structure of the samples was visualized in 2D images.

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37

Ning, Fuda, Weilong Cong, Yingbin Hu, and Hui Wang. "Additive manufacturing of carbon fiber-reinforced plastic composites using fused deposition modeling: Effects of process parameters on tensile properties." Journal of Composite Materials 51, no. 4 (July 28, 2016): 451–62. http://dx.doi.org/10.1177/0021998316646169.

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Abstract (sommario):

Carbon fiber-reinforced plastic composites have been intensively used for many applications due to their attractive properties. The increasing demand of carbon fiber-reinforced plastic composites is driving novel manufacturing processes to be in short manufacturing cycle time and low production cost, which is difficult to realize during carbon fiber-reinforced plastic composites fabrication in common molding processes. Fused deposition modeling, as one of the additive manufacturing techniques, has been reported for fabricating carbon fiber-reinforced plastic composites. The process parameters

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38

Bader, M. G., I. Hamerton, J. N. Hay, M. Kemp, and S. Winchester. "Double cantilever beam testing of repaired carbon fibre composites." Composites Part A: Applied Science and Manufacturing 31, no. 6 (June 2000): 603–8. http://dx.doi.org/10.1016/s1359-835x(99)00095-0.

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39

Dutt, Jodi S. N., Marco F. Cardosi, Shelley Wilkins, Callum Livingstone, and James Davis. "Characterisation of carbon fibre composites for decentralised biomedical testing." Materials Chemistry and Physics 97, no. 2-3 (June 2006): 267–72. http://dx.doi.org/10.1016/j.matchemphys.2005.08.021.

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40

Ferrero, J. F., I. Tawk, S. Rivallant, J. J. Barrau, and M. Sudre. "Fibre Orientation Effects on High Strain Rate of Carbon/Epoxy Composites." Advanced Composites Letters 16, no. 1 (January 2007): 096369350701600. http://dx.doi.org/10.1177/096369350701600103.

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Abstract (sommario):

Specific mechanical properties of composites make them particularly attractive. Dynamic loads are of prime interest for their applications. Laminated structures’ impact modelling implies prior material dynamic characterisation. This study suggests an analysis of split Hopkinson bar compression testing on T300/914 carbon/epoxy composite material. First, the effect of fibre orientation and stratification on compression dynamic behaviour is studied. Results show a high non-linearity for +/-45° laminates testing. This non-linearity is not observed when the laminates are reinforced with 0° and 90°

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41

Hung, T. D., D. Pernica, Dora Kroisová, Oleg Bortnovsky, Petr Louda, and Vladka Rylichova. "Composites Base on Geopolymer Matrices: Preliminary Fabrication, Mechanical Properties and Future Applications." Advanced Materials Research 55-57 (August 2008): 477–80. http://dx.doi.org/10.4028/www.scientific.net/amr.55-57.477.

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Abstract (sommario):

Geopolymer matrice Composites are fabricated at room temperature or thermoset in a simple autoclave. After approximately four hours of curing, composite materials exhibit excellent properties. Finding applications of geopolymeric composites in all fields of industry are the hot topics. This paper covers: (i) mechanical properties of fibers: carbon, Saint-Gobain Cemfil/CFV alkali resistance glass (various types), ARG-NEC (Nippon electric Columbia) alkali resistance glass, E-glass for pultrusion, AR glass for pultrusion were evaluated in accordance with Japanese Industrial Standard (JIS R 7601).

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42

Markovičová, Lenka, and Viera Zatkalíková. "Composites With Rubber Matrix And Ferrimagnetic Filling." System Safety: Human - Technical Facility - Environment 1, no. 1 (March 1, 2019): 776–81. http://dx.doi.org/10.2478/czoto-2019-0099.

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Abstract (sommario):

AbstractA composite material is a macroscopic combination of two or more distinct materials, having a recognizable interface between them. Modern composite materials are usually optimized to achieve a particular balance of properties for a given range of applications. Composites are commonly classified at two distinct levels. The first level of classification is usually made with respect to the matrix constituent. The major composite classes include organic – matrix composites (OMC's), metal – matrix composites (MMC's), and ceramic – matrix composites (CMC's). The OMC's is generally assumed to

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43

Ataya, Sabbah, Mohamed M. El-Sayed Seleman, Fahamsyah H. Latief, Mohamed M. Z. Ahmed, Khalil Hajlaoui, Ahmed M. Soliman, Naser A. Alsaleh, and Mohamed I. A. Habba. "Wear Characteristics of Mg Alloy AZ91 Reinforced with Oriented Short Carbon Fibers." Materials 15, no. 14 (July 12, 2022): 4841. http://dx.doi.org/10.3390/ma15144841.

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Abstract (sommario):

Light-weight metal matrix composites, especially magnesium-based composites, have recently become more widespread for high-efficiency applications, including aerospace, automobile, defense, and telecommunication industries. The squeeze cast AZ91 base material (AZ91-BM) and its composites having 23 vol.% short carbon fibers were fabricated and investigated. The composite specimens were machined normal to the reinforced plane (Composite-N) and parallel to the reinforced plane (Composite-P). All the as-casted materials were subjected to different tests, such as hardness, compression, and wear tes

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44

Subramani, Mageshwaran, and Manoharan Ramamoorthy. "Vibration analysis of multiwalled carbon nanotube-reinforced composite shell: An experimental study." Polymers and Polymer Composites 28, no. 4 (August 22, 2019): 223–32. http://dx.doi.org/10.1177/0967391119870406.

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Abstract (sommario):

In the present study, the vibration analysis of a multiwalled carbon nanotubes (MWCNTs)-reinforced composite shell is performed to investigate the enhancement in natural frequencies and damping of polymer composite structure. Initially, the material characterization of MWCNT-reinforced polymer resin was performed using scanning electron microscope, transmission electron microscope, and energy-dispersive X-ray analysis to identify the bonding behavior of MWCNT with resin, structure of MWCNTs, structural integrity, and chemical purity of MWCNT. The mechanical characterization of MWCNT-reinforced

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45

Hu, Nai Qiang, Xiu Jun Liu, Zhi Hai Feng, Zhen Fan, and Tong Qi Li. "The Interlaminar Tensile Strength of Mesophase Pitch-Unidirectional Carbon/Carbon Composites Adding Natural Flake Graphite." Advanced Materials Research 557-559 (July 2012): 1053–56. http://dx.doi.org/10.4028/www.scientific.net/amr.557-559.1053.

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Abstract (sommario):

In this work, carbon/carbon composites were prepared by a hot-pressing technique at a relatively low temperature. The effect of Graphite content on the mechanical properties of mesophase pitch-unidirectional carbon/carbon composites was investigated by tensile testing, and the fracture surfaces of carbon/carbon composites are observed by scanning electron microscopy (SEM). Results showed that the interlaminar tensile strength of the carbon/carbon Composites was improved as content of natural flake graphite in raw material increased from 5% to 10%. However, a decrease of interlaminar tensile st

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46

Santos, Júlio C., Luciano MG Vieira, Túlio H. Panzera, André L. Christoforo, Marco A. Schiavon, and Fabrizio Scarpa. "Hybrid silica micro and PDDA/nanoparticles-reinforced carbon fibre composites." Journal of Composite Materials 51, no. 6 (July 28, 2016): 783–95. http://dx.doi.org/10.1177/0021998316655392.

Testo completo

Abstract (sommario):

The work describes the manufacturing and testing of novel hybrid epoxy/carbon fibre composites with silica micro and poly-diallyldimethylammonium chloride-functionalised nanoparticles. A specific chemical dispersion procedure was applied using the poly-diallyldimethylammonium chloride to avoid clustering of the silica nanoparticles. The influence of the various manufacturing parameters, particles loading, and mechanical properties of the different phases has been investigated with a rigorous Design of Experiment technique based on a full factorial design (2131). Poly-diallyldimethylammonium ch

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47

Aein Afina, Mohd Redzuan, Bonnia Noor Najmi, Shuhaimen Siti Shakirah, and Siti Norasmah Surip. "Mechanical and Thermal Properties of Rubber Toughened Carbon Black-Filled Polyester Composite." Advanced Materials Research 812 (September 2013): 163–68. http://dx.doi.org/10.4028/www.scientific.net/amr.812.163.

Testo completo

Abstract (sommario):

The influences of Carbon Black (CB) as filler for rubber toughened polyester composite on thermal properties were investigated, in consideration for applications such as automotive parts and integrated circuits (IC) encapsulations. The usage of CB as filler is one of the efforts in increasing and varying the use of rubber and unsaturated polyester thermoset in composite materials. Unsaturated polyester was mixed with 3% liquid natural rubber (LNR) as toughening agent and CB, which were varied from 0, 2, 4, 6, 8, and 10% using mechanical stirrer and moulded by using the open mould technique. Im

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48

Markovičová, Lenka, and Viera Zatkalíková. "The Effect of Filler Content on the Mechanical Properties of Polymer Composite." Applied Mechanics and Materials 858 (November 2016): 190–95. http://dx.doi.org/10.4028/www.scientific.net/amm.858.190.

Testo completo

Abstract (sommario):

A composite material is a macroscopic combination of two or more distinct materials, having a recognizable interface between them. Modern composite materials are usually optimized to achieve a particular balance of properties for a given range of applications. Composites are commonly classified at two distinct levels. The first level of classification is usually made with respect to the matrix constituent. The major composite classes include organic – matrix composites (OMC's), metal – matrix composites (MMC's), and ceramic – matrix composites (CMC's). The OMC's is generally assumed to include

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49

Dong, Shuhan, Huiyong Yuan, Xiaochao Cheng, Xue Zhao, Mingxu Yang, Yongzhe Fan, and Xiaoming Cao. "Improved Friction and Wear Properties of Al6061-Matrix Composites Reinforced by Cu-Ni Double-Layer-Coated Carbon Fibers." Metals 10, no. 11 (November 19, 2020): 1542. http://dx.doi.org/10.3390/met10111542.

Testo completo

Abstract (sommario):

The friction and wear properties of an Al6061 alloy reinforced with carbon fibers (CF) modified with Cu-Ni bimetallic layers were researched. Cu-Ni double layers were applied to the CF by electroless plating and Al6061-matrix composites were prepared by powder metallurgy technology. The metal-CF/Al interfaces and post-dry-wear-testing wear loss weights, friction coefficients, worn surfaces, and wear debris were characterized. After T6 heat treatment, the interfacial bonding mechanism of Cu-Ni-CF changed from mechanical bonding to diffusion bonding and showed improved interfacial bonding streng

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50

Tuo, Xiaohang, Guizhi Ma, Qian Tan, Yumei Gong, and Jing Guo. "A study on dispersions of CB and CNT in PP/EPDM composites and their mechanical reinforcement." Polymers and Polymer Composites 28, no. 1 (July 4, 2019): 35–44. http://dx.doi.org/10.1177/0967391119857394.

Testo completo

Abstract (sommario):

Carbon material (carbon black (CB) and carbon nanotube (CNT)-reinforced composites are being studied widely. The content of the reinforcing materials is known as the main influencing factor. However, the dispersion of the reinforcing materials is often neglected or, where it is investigated, not thoroughly evaluated. In this article, the dispersion states of carbon materials in the composite materials were quantitatively analyzed using an image processing method. Meanwhile, the reliability of the image analysis was verified through the testing results of the mechanical and rheological properti

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