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1

Shen, De Jun, Zi Sheng Lin, and Yan Fei Zhang. "Study on the Mechanical Properties of Carbon Fiber Composite Material of Wood." Advanced Materials Research 1120-1121 (July 2015): 659–63. http://dx.doi.org/10.4028/www.scientific.net/amr.1120-1121.659.

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through the use of domestic carbon fiber cloth and combining domestic fast-growing wood of Larch and poplar wood, the CFRP- wood composite key interface from the composite process, stripping bearing performance, Hygrothermal effect, fracture characteristics and shear creep properties to conducted the system research . Fiber reinforced composite (Fiber Reinforced Plastic/Polymer, abbreviation FRP) material by continuous fibers and resin matrix composite and its types, including carbon fiber reinforced composite (Carbon Fiber Reinforce Plastic/Polymer, abbreviation CFRP), glass fiber reinforced
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2

Aljasmi, Salah, Nur Farhayu Ariffin, and Mazlan Abu Seman. "The Research of Blast Resistant of Reinforcement Concrete Beams in Concrete Structures at Off-site Oil and Gas Plant." CONSTRUCTION 1, no. 2 (2021): 85–92. http://dx.doi.org/10.15282/construction.v1i2.6907.

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In the recent decades, blasts and gas explosions at the off-site of oil and gas plants have increased leading to destruction of important concrete structures, essential equipment and loss of human life. In response, structural engineers have come up with different ways of reinforcing beams of concrete structures using fiber reinforced polymers composite materials to produce blast resistant structures to minimize the impact of the blast loads, due to their unique and individual characteristics like high flexural and shear strength. This paper seeks to research the dynamic behavior, response and
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3

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 (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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4

Wu, Xi-Zhi, Wei-Kang Yang, and Xian-Jun Li. "Study on stripping mechanism of steel plate strengthened with carbon fiber reinforced polymer by cohesive zone model." Advances in Structural Engineering 23, no. 12 (2020): 2503–13. http://dx.doi.org/10.1177/1369433220912348.

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When carbon fiber reinforced polymer is applied to reinforce a steel plate, the end of it tends to debond which could cause a failure. In this article, the finite element model of carbon fiber reinforced polymer–reinforced steel plate was established based on the cohesive zone model and validated by the linear elasticity model and experiments at bonding stage and stripping stage, through which the stripping mechanism of the adhesive layer was studied. It had been proved by the test results of carbon fiber reinforced polymer–reinforced steel plate that the shear stress was the main factor of st
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5

Purba, Burt K., and Aftab A. Mufti. "Investigation of the behavior of circular concrete columns reinforced with carbon fiber reinforced polymer (CFRP) jackets." Canadian Journal of Civil Engineering 26, no. 5 (1999): 590–96. http://dx.doi.org/10.1139/l99-022.

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Recent advancements in the fields of fiber reinforced polymers (FRPs) have resulted in the development of new materials with great potential for applications in civil engineering structures, and due to extensive research over recent years, FRPs are now being considered for the design of new structures. This study describes how carbon fiber reinforced polymer jackets can be used to reinforce circular concrete columns. Fibers aligned in the circumferential direction provide axial and shear strength to the concrete, while fibers aligned in the longitudinal direction provide flexural reinforcement
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6

Al-obaidi, A. M. Sh, and S. N. Leonovich. "Comparative Study of Fiber Glass Reinforced Polymer and Carbon Fiber Reinforced Polymer on Cube and Cylinder." Science & Technique 23, no. 1 (2023): 42–47. http://dx.doi.org/10.21122/2227-1031-2023-23-1-42-47.

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A comparative analysis of polymers reinforced with glass fiber and polymers reinforced with carbon fiber was carried out on a cube and a cylinder in the laboratories of Baghdad. 36 samples were taken with fiber percentages of 1.0, 2.5 and 5.0 % by weight of cement. The methodology of this study included the use of composite polymer fibers in the external reinforcement of concrete beams for the purpose of improving their performance when bending by gluing polymer fibers to the surface. Group A tests of non-reinforced concrete beams with other reinforced polymer fibers were also implemented. Exc
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7

Prabu A, Nickolas, Sivaganesh P, and Sudharsan G. "Design and Development of Bus Body Construction Using Composite Materials." International Scientific Journal of Engineering and Management 04, no. 03 (2025): 1–7. https://doi.org/10.55041/isjem02388.

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In present day cost of the traditional materials like steel,Aluminium is more costlier to construct vehicles Body structure. fiber-reinforced polymer (FRP) is a composite material manufacture specially by a combination of a polymer matrix and reinforcing fibers it has some unique properties exceptionally strong, lightweight, and durable it can be used to make bus construction for improve fuel consumption and provides safety for the Passengers, two wheelers and pedestrians’ fiber provides toughness and structural strength to the flexible polymers and reinforces. The aim of the work is to Constr
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8

Zhao, Shao Wei, and Xian Ping Qiao. "Experimental Study on Reinforced Hollow Beam with Carbon Fiber Reinforced Polymer and External Prestressed Strand." Applied Mechanics and Materials 94-96 (September 2011): 495–99. http://dx.doi.org/10.4028/www.scientific.net/amm.94-96.495.

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With the development of bridge reinforcement technology, various reinforcement methods has matured, however, just rely on a reinforcement method can not meet the current needs of the project. With carbon fiber reinforced polymer and external prestressed strand to reinforce hollow beam is a comprehensive and effective reinforcement method, we study the combined reinforcement mechanism of carbon fiber reinforced polymer and external prestressed strand through the true type hollow beam experiment, and lay the foundation for the promotion of composite reinforcement technology.
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9

Xia, Yuanyuan, and Guijun Xian. "Hybrid basalt/flax fibers reinforced polymer composites and their use in confinement of concrete cylinders." Advances in Structural Engineering 23, no. 5 (2019): 941–53. http://dx.doi.org/10.1177/1369433219886084.

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Flax fiber–reinforced polymer composites were determined to be effective in confinement of concrete cylinders. Flax fibers exhibit strong intrinsic hydrophilic properties and relatively inferior mechanical properties; therefore, combining them with mineral-based natural fiber (i.e. basalt fibers) was proposed. In the present study, unidirectional flax–basalt hybrid fiber reinforced polymer plates and tubes were prepared using a filament-winding process. The mechanical properties of the fiber-reinforced polymer plates and compressive properties of the concrete-filled fiber-reinforced polymer tu
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10

Chukov, Dilyus I., Sarvarkhodza G. Nematulloev, Viсtor V. Tсherdyntsev, et al. "Structure and Properties of Polysulfone Filled with Modified Twill Weave Carbon Fabrics." Polymers 12, no. 1 (2019): 50. http://dx.doi.org/10.3390/polym12010050.

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Carbon fabrics are widely used in polymer based composites. Nowadays, most of the advanced high-performance composites are based on thermosetting polymer matrices such as epoxy resin. Thermoplastics have received high attention as polymer matrices due to their low curing duration, high chemical resistance, high recyclability, and mass production capability in comparison with thermosetting polymers. In this paper, we suggest thermoplastic based composite materials reinforced with carbon fibers. Composites based on polysulfone reinforced with carbon fabrics using polymer solvent impregnation wer
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11

Ružić, Danijel, and Kemal Zahirović. "USE OF CARBON FIBER IN CONCRETE STRUCTURES – STATE OF THE ART." Glasnik Rudarsko-geološko-građevinskog fakulteta 10, no. 10 (2022): 55–72. http://dx.doi.org/10.51558/2303-5161.2022.10.10.55.

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The development of material production technology has led to the application of new materials in construction. Because concrete is currently the most commonly used construction material, which in addition to numerous advantages (water resistance, low maintenance costs, easy workability, low cost, etc.) also has certain disadvan- tages (low tensile strength and brittle fracture behavior). Reinforcement of concrete using discrete fibers, ran- domly distributed, is an acceptable solution for improving the ductility of concrete. Carbon fiber reinforcement (CFRP) has been widely studied in the last
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12

Akasheh, Firas, and Heshmat Aglan. "Fracture toughness enhancement of carbon fiber–reinforced polymer composites utilizing additive manufacturing fabrication." Journal of Elastomers & Plastics 51, no. 7-8 (2018): 698–711. http://dx.doi.org/10.1177/0095244318817867.

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The present work reports a novel approach to enhance the fracture resistance and notch sensitivity of carbon fiber-reinforced polymer composites utilizing additive manufacturing (3-D printing) fabrication. The 3-D printed composites utilize carbon fiber bundles to reinforce nylon/chopped fiber resin in a multilayered structure configuration. Single-edge (60°) notched samples were printed using Mark Two printer. Three reinforcement schemes were designed and used to manufacture the specimens. The focus was placed on selective reinforcement at the crack tip to arrest crack initiation. The mechani
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13

Yu, Hong, Suresh Advani, and Dirk Heider. "Impact of resin-rich layer on the through-thickness resistivity of carbon fiber reinforced polymers." Journal of Composite Materials 53, no. 24 (2019): 3469–81. http://dx.doi.org/10.1177/0021998319842369.

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Increasing applications of carbon fiber reinforced polymers exploiting its electrical properties demand a good understanding of the electrical conduction mechanisms of carbon fiber reinforced polymer. Resin-rich interface, which is not uncommon to exist between composite laminae, not only affect the mechanical properties, but also the electrical conduction behavior. This study focuses on the impact of resin-rich layer on the through-thickness resistivity of carbon fiber reinforced polymer. Electrical characterizations are carried out on dry fiber tow systems as well as cured composites. Throug
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14

Markovičová, Lenka, Viera Zatkalíková, and Patrícia Hanusová. "Carbon Fiber Polymer Composites." Quality Production Improvement - QPI 1, no. 1 (2019): 276–80. http://dx.doi.org/10.2478/cqpi-2019-0037.

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Abstract Carbon fiber reinforced composite materials offer greater rigidity and strength than any other composites, but are much more expensive than e.g. glass fiber reinforced composite materials. Continuous fibers in polyester give the best properties. The fibers carry mechanical loads, the matrix transfers the loads to the fibers, is ductile and tough, protect the fibers from handling and environmental damage. The working temperature and the processing conditions of the composite depend on the matrix material. Polyesters are the most commonly used matrices because they offer good properties
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15

Sofocleous, Katerina, Vasileios M. Drakonakis, Stephen L. Ogin, and Charalabos Doumanidis. "The influence of carbon nanotubes and shape memory alloy wires to controlled impact resistance of polymer composites." Journal of Composite Materials 51, no. 2 (2016): 273–85. http://dx.doi.org/10.1177/0021998316640594.

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Matrix as well as interlayer regions of laminated polymer composites have been reinforced with carbon nanotubes, additionally to shape memory alloy wires, in order to further enhance the overall material toughness and introduce the improved impact resistance mechanisms through micro- and nano-engineering. In this work, we examine carbon fiber reinforced polymer composites with constant carbon fiber volume fraction, further reinforced with carbon nanotube and shape memory alloy wires, under controlled impact. Single-type as well as multiple-type impact tests have been carried out, demonstrating
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16

Gu, Jianping, Huiyu Sun, Hao Zeng, and Zhongbing Cai. "Modeling the thermomechanical behavior of carbon fiber–reinforced shape memory polymer composites under the finite deformation." Journal of Intelligent Material Systems and Structures 31, no. 4 (2019): 503–14. http://dx.doi.org/10.1177/1045389x19888749.

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In this article, a thermoviscoelastic constitutive model is introduced to describe the unidirectional continuous elastic fiber–reinforced shape memory polymer composites under the finite deformation. Although the shape memory polymers can be used in finite deformations, only a small strain can be applied on the carbon fiber for its small failure tensile strain (about 2%). Using the model, the effective strain of the carbon fiber for the unidirectional continuous carbon fiber–reinforced shape memory polymer composites can be derived. It is found that the carbon fiber–reinforced shape memory pol
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17

Shen, Ming-Yuan, Tung-Yu Chang, Tsung-Han Hsieh, et al. "Mechanical Properties and Tensile Fatigue of Graphene Nanoplatelets Reinforced Polymer Nanocomposites." Journal of Nanomaterials 2013 (2013): 1–9. http://dx.doi.org/10.1155/2013/565401.

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Graphene nanoplatelets (GNPs) are novel nanofillers possessing attractive characteristics, including robust compatibility with most polymers, high absolute strength, and cost effectiveness. In this study, GNPs were used to reinforce epoxy composite and epoxy/carbon fiber composite laminates to enhance their mechanical properties. The mechanical properties of GNPs/epoxy nanocomposite, such as ultimate tensile strength and flexure properties, were investigated. The fatigue life of epoxy/carbon fiber composite laminate with GPs-added 0.25 wt% was increased over that of neat laminates at all level
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18

Wang, Yanlei, Ruijuan Chang, and Guipeng Chen. "Strain and damage self-sensing properties of carbon nanofibers/carbon fiber–reinforced polymer laminates." Advances in Mechanical Engineering 9, no. 2 (2017): 168781401668864. http://dx.doi.org/10.1177/1687814016688641.

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Unidirectional fiber-reinforced composites of “plain” carbon fiber–reinforced polymer laminates and carbon nanofibers modified carbon fiber–reinforced polymer laminates were prepared based on the manufacture of the epoxy resin modified with various contents of carbon nanofibers. The carbon nanofibers–modified epoxy matrix and carbon fiber–reinforced polymer laminates specimens were subject to constant amplitude cyclic tensile loading, quasi-static tension loading, and incremental cyclic tension loading while the values of their electrical resistance were monitored through electrical resistance
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19

Sherin, Sanford B., and Prabhakaran J. "Experimental Analysis of Mechanical Behaviour of Carbon Fiber and E-Glass Fiber Stitched with Nylon 66 Reinforced with Polyester Resin." Research and Reviews: Journal of Mechanics and Machines 3, no. 2 (2021): 1–6. https://doi.org/10.5281/zenodo.5070077.

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<em>In recent decennium immense performing composites are favored over traditional materials like steel and cast iron. It is due to their tremendous mechanical nature. In this case fibers are blended with resin. Due to its enhanced mechanical behavior, composites are mostly used in racing cars, automobile parts, aircraft equipment, household appliances etc (1). In modern years, there is momentous research and market concentration in advanced carbon fibre (CF) and e-glass fibre (GF) composites. The present work aims to develop carbon fibre and E-glass fibre stitched with nylon 66 reinforced wit
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20

Kausar, Ayesha, and Ishaq Ahmad. "Nanocomposites of Nanocarbon Functionalized Carbon Fibers—Manufacturing to Methodological Applications." Advances in Materials Science 24, no. 1 (2024): 46–71. http://dx.doi.org/10.2478/adms-2024-0004.

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Abstract Carbon fibers have been technically applied in high performance materials and industrial scale applications. Importantly, carbon fiber reinforced composite materials have found applications in aerospace industries. These properties of carbon fiber reinforced composites depend upon the carbon fiber features such as length, orientation, surface properties, adhesion with matrices, etc. To improve the surface properties of carbon fibers and adhesion and interactions with polymers, fiber modification has been suggested as an efficient approach. Carbon nanoparticle or nanocarbon functionali
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21

Vimala, Saravanan, M. Ramachandran, and Murugan Aswini. "Evaluation of Carbon Fibre Reinforced Plastic CFRP Composite Using the SPSS Method." Journal on Materials and its Characterization 2, no. 1 (2023): 09–20. http://dx.doi.org/10.46632/jmc/2/1/2.

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CFRP is Carbon fiber reinforced plastic CFRP consists of several components is an object. Usually, a Synthetic resin matrix material selected. Carbon fiber reinforced plastic CFRP) of steel and aluminium A true high reducing trait Technically, it's new Continues to open application areas and it is already in many areas It has become essential. We are taking you journey to discover the arena Carbon fibers and how fine fibers Carbon fiber-reinforced See Changes plastics. Carbon fiber reinforced polymer (CFRP) and glass fiber Reinforced polymer (GFRP) composite materials side different fiber stre
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22

Selvi, K., and S. Karthi. "Experimental Strength on Polypropylen Fiber Reinforced Concrete." International Journal for Research in Applied Science and Engineering Technology 10, no. 12 (2022): 1934–38. http://dx.doi.org/10.22214/ijraset.2022.48229.

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Abstract: The paper presents research work of experimental investigation on polypropylene fiber reinforced concrete by replacing river sand to artificial sand with and without admixture. Use of fiber reinforce polymer in civil engineering increase rapidly. Various type of fiber is used such as glass, carbon, steel, asbestos, polyester and polypropylene. The various experimental investigations for determination of properties of polypropylene fiber are discussed in paper work. This paper presents the effect of polypropylene (PP) fibers on various properties of concrete such as compressive streng
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23

Nirmal Kumar, K., P. Dinesh Babu, Raviteja Surakasi, et al. "Mechanical and Thermal Properties of Bamboo Fiber–Reinforced PLA Polymer Composites: A Critical Study." International Journal of Polymer Science 2022 (December 27, 2022): 1–15. http://dx.doi.org/10.1155/2022/1332157.

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In the past few years, a new passion for the growth of biodegradable polymers based on elements derived from natural sources has been getting much attention. Natural fiber-based polymer matrix composites offer weight loss, reduction in cost and carbon dioxide emission, and recyclability. In addition, natural fiber composites have a minimal impact on the environment in regards to global warming, health, and pollution. Polylactic acid (PLA) is one of the best natural resource polymers available among biodegradable polymers. Natural fiber–reinforced PLA polymer composites have been extensively re
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Prajwal L, Guruprasad M Balagi, and Dr. Chethan Kumar S. "Study of FRP on Preloaded Beam as A Method of Retrofitting - A Review." International Research Journal on Advanced Engineering and Management (IRJAEM) 2, no. 10 (2024): 3176–80. http://dx.doi.org/10.47392/irjaem.2024.0469.

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Over the past two decades, fiber-reinforced polymers have gained prominence in structural engineering due to their unique properties, offering an alternative to traditional materials like steel and concrete. FRPs consist of high-strength fibers embedded in a polymer matrix, resulting in superior strength-to-weight ratios, excellent corrosion resistance, and fatigue durability. These materials are widely used in aerospace, automotive, and infrastructure applications. Key types of FRPs include carbon fiber reinforced polymer, glass fiber reinforced polymer, aramid fiber reinforced polymer, and b
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Arputhabalan, Jeswin, and K. Palanikumar. "Tensile Properties of Natural Fiber Reinforced Polymers: An Overview." Applied Mechanics and Materials 766-767 (June 2015): 133–39. http://dx.doi.org/10.4028/www.scientific.net/amm.766-767.133.

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This paper deals with tensile properties of natural fiber reinforced polymer composites. Natural fibers have recently found increasing use in various fields as an alternative to synthetic fiber reinforced polymers. Due to this they have become attractive to engineers, researchers and scientists. Natural fibers are replacing conventional fibers such as glass, aramid and carbon due to their eco-friendly nature, lesser cost, good mechanical properties, better specific strength, bio-degradability and non-abrasive characteristics. The adhesion between the fibers and the matrix highly influence the
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26

Zhao, Xin. "The Application of CFRP Reinforcement Scheme in a Overpass Bridge Reinforcement Engineering." Advanced Materials Research 753-755 (August 2013): 520–24. http://dx.doi.org/10.4028/www.scientific.net/amr.753-755.520.

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Taking a flyover as the background, this paper compares two reinforcement scheme, and ultimately chooses the paste carbon fiber polymer method to reinforce the bridge. It calculates and analyzes the structure before and after the reinforcement, then compares the stress state , shear load-carrying capacity and flexural capacity. At last ,it evaluates the effect of the paste carbon fiber polymer method and puts forward some suggestions.
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27

Ferik, Erdem, and Cihan Kaboglu. "Impact Performance Improvement of Multiscale Hybrid Fiber Reinforced Polymer Composites with CNT." Journal of Modern Materials 10, no. 1 (2023): 29–40. http://dx.doi.org/10.21467/jmm.10.1.29-40.

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Improving the interface properties of carbon nanotubes increases the mechanical performance of fiber-reinforced polymer matrix composites. Studies on different fiber types and different polymer matrix materials present promising results in literature. The effect of carbon nanotube (CNT) additives on impact performance of fiber reinforced polymer matrix composites produced by vacuum infusion method and drop weight impact test applied. Glass and carbon 1 m2 fiber fabrics were divided into 9 equal square pieces and placed on top of each other to make them multi-layered structure. Fiber reinforcem
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28

Hamdi, K., Z. Aboura, W. Harizi, and K. Khellil. "Improvement of the electrical conductivity of carbon fiber reinforced polymer by incorporation of nanofillers and the resulting thermal and mechanical behavior." Journal of Composite Materials 52, no. 11 (2017): 1495–503. http://dx.doi.org/10.1177/0021998317726588.

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This work tends to characterize the effect of carbon black nanofillers on the properties of the woven carbon fiber reinforced thermoplastic polymers. First of all, composites from nanofilled Polyamide 6 resin reinforced by carbon fibers were fabricated. Scanning electron microscopy observations were performed to localize the nanoparticles and showed that particles penetrated the fiber zone. In fact, by reaching this zone, the carbon black nanofillers create a connectivity's network between fibers, which produces an easy pathway for the electrical current. It explains the noticed improvement of
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Ogrodowska, Karolina, and Marek Urbański. "Nanosilica Modification of Epoxy Matrix in Hybrid Basalt-Carbon FRP Bars—Impact on Microstructure and Mechanical Properties." Materials 16, no. 5 (2023): 1912. http://dx.doi.org/10.3390/ma16051912.

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This article focuses on the effect of nano-silica on an epoxy matrix of hybrid basalt-carbon fiber reinforced polymers (FRP) composites. Usage of this type of bar continues to grow in the construction industry. The corrosion resistance, strength parameters, and easy transport to the construction site are significant parameters compared to traditional reinforcement. The research for new and more efficient solutions resulted in the intensive development of FRP composites. In this paper, scanning electron microscopy (SEM) analysis of two types of bars is proposed: hybrid fiber-reinforced polymer
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Shahbaz, Shah R., and Ömer B. Berkalp. "Effect of MWCNTs addition, on the mechanical behaviour of FRP composites, by reinforcement grafting and matrix modification." Journal of Industrial Textiles 50, no. 2 (2019): 205–23. http://dx.doi.org/10.1177/1528083718825317.

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Carbon nanotubes have extraordinary potential for the modification of reinforcements and matrices in fiber-reinforced polymer composites for enhanced mechanical properties. In this study, 12 fiber-reinforced polymer composites were produced with and without the addition of functionalized multi-wall carbon nanotubes using different stacking sequences of E-glass and carbon fabric reinforcements in simple and hybrid configurations. Carbon nanotubes were incorporated into the fiber-reinforced polymer components prior to composite fabrication by: (i) grafting on reinforcements, and (ii) matrix modi
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Fouad, Nariman, and Mohamed A. Saifeldeen. "Smart self-sensing fiber-reinforced polymer sheet with woven carbon fiber line sensor for structural health monitoring." Advances in Structural Engineering 24, no. 1 (2020): 17–24. http://dx.doi.org/10.1177/1369433220944507.

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With the development of technology to upgrade existing concrete structures using externally bonded fiber-reinforced polymer composites, the properties that are inherent in fiber-reinforced polymer sheets, such as low bonding ductility between fiber-reinforced polymer and concrete, have been highlighted as presenting a challenge. This article presents a novel, smart, self-sensing fiber-reinforced polymer sheet, by hybridizing the fiber-reinforced polymer sheet with woven long-gauge carbon fiber line sensors, in order to monitor the macrostrain changes of the fiber-reinforced polymer sheet. To e
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Hong, Bin, Guijun Xian, and Zike Wang. "Durability study of pultruded carbon fiber reinforced polymer plates subjected to water immersion." Advances in Structural Engineering 21, no. 4 (2017): 571–79. http://dx.doi.org/10.1177/1369433217732664.

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Pultruded carbon fiber reinforced polymer plates have been widely used for structural rehabilitation due to their excellent mechanical properties. Even though, the long-term durability performance of carbon fiber reinforced polymer plates is still a concern, especially when subjected to harsh environmental conditions (e.g. water immersion). In the present study, the effects of water immersion at 23°C, 40°C, and 60°C on the degradation of the pultruded carbon fiber reinforced polymer plates were investigated in terms of water uptake and mechanical properties. To elucidate the degradation mechan
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33

Ilyin, Sergey O., and Sergey V. Kotomin. "Effect of Nanoparticles and Their Anisometry on Adhesion and Strength in Hybrid Carbon-Fiber-Reinforced Epoxy Nanocomposites." Journal of Composites Science 7, no. 4 (2023): 147. http://dx.doi.org/10.3390/jcs7040147.

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Carbon-fiber-reinforced plastics are composite materials with record-high specific strength, which depends on the efficiency of stress redistribution between the reinforcing fibers by the polymer matrix. The problem is the accurate assessment of adhesion in the carbon fiber–polymer matrix system since it affects the overall strength of the composite. This paper provides a novel electrochemical method for determining adhesion by estimating the critical length of carbon fibers that protrude above the fracture surface of the fiber-reinforced composite using their electrical conductivity and insul
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34

Pham, Thong M., Wensu Chen, and Hong Hao. "Failure and impact resistance analysis of plain and fiber-reinforced-polymer confined concrete cylinders under axial impact loads." International Journal of Protective Structures 9, no. 1 (2018): 4–23. http://dx.doi.org/10.1177/2041419617749600.

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This study conducts an experimental and numerical investigation on the failure and impact resistance of plain and fiber-reinforced polymer-confined concrete. The impact resistance of concrete cylinders wrapped with different types of fibers including carbon fiber and glass fiber is examined. Drop-weight tests are utilized to conduct the impact tests while the numerical simulation is conducted using LS-DYNA. The experimental and numerical results have proved that fiber-reinforced polymer can be efficiently used to improve the impact resistance of concrete cylinders. In general, fiber-reinforced
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35

Okolnikova, Galina E., Svetlana B. Strashnova, Sikhanyisiwe Mercy Mabhena, and Stanislav V. Strashnov. "Reinforcement of columns using different composite materials." Structural Mechanics of Engineering Constructions and Buildings 19, no. 3 (2023): 322–28. http://dx.doi.org/10.22363/1815-5235-2023-19-3-322-328.

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The adoption in construction of composite materials made by combining two or more materials to produce a material with improved properties over the separate components has been steadily increasing over the past decades. In the past few years there have been advances in composite manufacturing technology, increased demand for sustainable and eco-friendly building materials, and the need for materials that are lightweight and easy for transportation. For these reason, architects and civil engineers incorporate composites into structural elements to achieve these desired goals and optimize the co
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Nhabih, Hussein Talab, Ameer Baiee, Mohammad R. K. M. Al-Badkubi, and Marwa Marza Salman. "Manufacturing of reinforcing bars from COVID-19 syringes plastic waste and comparing them with different reinforcing bars." Edelweiss Applied Science and Technology 9, no. 2 (2025): 1575–85. https://doi.org/10.55214/25768484.v9i2.4813.

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COVID-19 syringes plastic waste is difficult to recycle, so this study focuses on the use of this waste in manufacturing reinforcing bars as an alternative to steel reinforcing bars or carbon fiber reinforced polymer bars. After sterilizing COVID-19 syringes, these syringes are immersed in liquid nitrogen and then hammered to turn into random fibers. After spinning these fibers to the appropriate diameter, they are coated with a layer of epoxy to become reinforcing bars. To test the efficiency of these bars, six samples of concrete beams were cast. The first beam sample was reinforced with man
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Li, Xiao Yong, and Zhi Gang Zhang. "Mechanical Behavior of Reinforced Concrete Beams Externally Strengthened with Carbon Fiber Sheets." Advanced Materials Research 179-180 (January 2011): 955–59. http://dx.doi.org/10.4028/www.scientific.net/amr.179-180.955.

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Externally bonding carbon fiber reinforced polymer sheets with an epoxy resin is an effective technique for strengthening and repairing reinforced concrete beams under flexural loads. In this study, a total of seven reinforced concrete beams was tested and analyzed: two control beam and fourteen beams reinforced with one to six layers of carbon fiber sheets bonded by an inorganic epoxy. All specimens were subjected to a four-point bending test under load control while load, deflection, mid-span strain and failure mode were recorded up to failure. It is found that the load carrying capacity inc
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38

Shi, Jian, Kiyoshi Kemmochi, and Li Min Bao. "Research in Recycling Technology of Fiber Reinforced Polymers for Reduction of Environmental Load: Optimum Decomposition Conditions of Carbon Fiber Reinforced Polymers in the Purpose of Fiber Reuse." Advanced Materials Research 343-344 (September 2011): 142–49. http://dx.doi.org/10.4028/www.scientific.net/amr.343-344.142.

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The objective of the present study is to investigate the effect of pyrolysis time and temperature on the mechanical properties of recycled carbon fiber, based on tensile strength measurements, determining the optimum decomposition conditions for carbon fiber-reinforced polymers (CFRPs) by superheated steam. In this research, CFRPs were efficiently depolymerized and reinforced fibers were separated from resin by superheated steam. Tensile strength of fibrous recyclates was measured and compared to that of virgin fiber. Although tensile strength of recycled fibers were litter lower than that of
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Huang, Jingting, Tao Li, Dayong Zhu, Peng Gao, and An Zhou. "Compressive behavior of circular and square concrete column externally confined by different types of basalt fiber–reinforced polymer." Advances in Structural Engineering 23, no. 8 (2020): 1534–47. http://dx.doi.org/10.1177/1369433219898086.

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This article studies the compressive behavior of concrete columns confined by different basalt fiber–reinforced polymers. A total of 30 columns were divided into 10 groups according to section shapes (circular and square), basalt fiber–reinforced polymer types (unidirectional basalt fiber–reinforced polymer, bidirectional basalt fiber–reinforced polymer, and hybrid basalt fiber–reinforced polymer/carbon fiber–reinforced polymers), and number of layers (0, 1, and 2). The test results showed that the compressive strengths of confined specimens increased by 20%–71% for circular columns and by 23%
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Al Zahmi, Salem, Saif Alhammadi, Amged ElHassan, and Waleed Ahmed. "Carbon Fiber/PLA Recycled Composite." Polymers 14, no. 11 (2022): 2194. http://dx.doi.org/10.3390/polym14112194.

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Due exceptional properties such as its high-temperature resistance, mechanical characteristics, and relatively lower price, the demand for carbon fiber has been increasing over the past years. The widespread use of carbon-fiber-reinforced polymers or plastics (CFRP) has attracted many industries. However, on the other hand, the increasing demand for carbon fibers has created a waste recycling problem that must be overcome. In this context, increasing plastic waste from the new 3D printing technology has been increased, contributing to a greater need for recycling efforts. This research aims to
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Ofoegbu, Stanley, Mário Ferreira, and Mikhail Zheludkevich. "Galvanically Stimulated Degradation of Carbon-Fiber Reinforced Polymer Composites: A Critical Review." Materials 12, no. 4 (2019): 651. http://dx.doi.org/10.3390/ma12040651.

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Carbon is used as a reinforcing phase in carbon-fiber reinforced polymer composites employed in aeronautical and other technological applications. Under polarization in aqueous media, which can occur on galvanic coupling of carbon-fiber reinforced polymers (CFRP) with metals in multi-material structures, degradation of the composite occurs. These degradative processes are intimately linked with the electrically conductive nature and surface chemistry of carbon. This review highlights the potential corrosion challenges in multi-material combinations containing carbon-fiber reinforced polymers,
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Jariwala, Hitesh, and Piyush Jain. "A review on mechanical behavior of natural fiber reinforced polymer composites and its applications." Journal of Reinforced Plastics and Composites 38, no. 10 (2019): 441–53. http://dx.doi.org/10.1177/0731684419828524.

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In the last decade, natural plant fibers (jute, sisal, coir, banana, hemp, kenaf, flax, etc.) are getting attention from many researchers and academicians to utilize it as an alternate reinforcement of synthetic fiber reinforced polymer composites. These fibers are becoming a great replacement of conventional fibers (such as glass, carbon, and aramid) due to their light weight, low cost, carbon neutrality, fairly good mechanical properties, high specific strength, and biodegradability characteristics. Some chemical treatments are required to enhance the fiber matrix interfacial strength and to
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Li, Chenggao, and Guijun Xian. "Experimental investigation of the microstructures and tensile properties of polyacrylonitrile-based carbon fibers exposed to elevated temperatures in air." Journal of Engineered Fibers and Fabrics 14 (January 2019): 155892501985001. http://dx.doi.org/10.1177/1558925019850010.

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The elevated temperature resistance and even fire resistance of carbon fiber-reinforced polymer composites were critical concerns in many applications. These properties of a carbon fiber-reinforced polymer depend not only on the degradation of the polymer matrix but also on that of the carbon fibers under elevated temperatures. In this study, influences of elevated temperatures (by 700°C for 30 min) in air on the mechanical properties and microstructures of a carbon fiber were investigated experimentally. It was found that the tensile strength and modulus as well as the diameters of the carbon
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Liu, Zhi Ping, Zong Chen Li, Ming Chang Li, Kai Chen, and Chao Chao He. "Study of Box Girder Steel Structure Locally Reinforced by CFRP." Materials Science Forum 860 (July 2016): 57–60. http://dx.doi.org/10.4028/www.scientific.net/msf.860.57.

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On the basis of using CFRP (Carbon Fiber Reinforced Polymer) to reinforce steel materials and structures, this paper focused on the reinforcement method of box girder steel structure. Firstly, FEM models were set up to discuss the reinforce method, stress distribution between overall strengthening of flange and locally strengthening. Secondly, typical crack model was raised on the basis of mechanics characteristic, reinforcement effects under different methods was analyzed. The results showed that locally strengthening method to reinforce the certain fatigue areas could improve stress concentr
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S. Hassan, Mohanad, Yasir K. Ibrahim, and Ismail I. Marhoon. "INVESTIGATION OF MECHANICAL CHARACTERISTICS OF (EPOXY-RESOLE BLEND) MATRIX HYBRID COMPOSITE." Journal of Engineering and Sustainable Development 26, no. 3 (2022): 27–32. http://dx.doi.org/10.31272/jeasd.26.3.4.

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This research aims to investigate the impact of fibre reinforcement on the mechanical properties of hybrid polymer matrix composites. The samples made of a hybrid polymer composite were made from the reaction of two polymers, 90% epoxy resin and 10% Resole resin, and were reinforced with two types of reinforcements. The reinforcement used for the current research was carbon and Kevlar fibers. The fibers were in plain weave and were added in volumetric fractions. This research assessed mechanical characteristics like tensile strength, hardness, and impact strength in two cases: one for epoxy/Re
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Wang, Bin, Yongfeng Sun, Yunzhang Li, and Chuan Zhang. "Debonding Damage Detection in CFRP Plate-Strengthened Steel Beam Using Electromechanical Impedance Technique." Sensors 19, no. 10 (2019): 2296. http://dx.doi.org/10.3390/s19102296.

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Carbon fiber reinforced polymer materials are widely applied in structure strengthened engineering because of the many advantages of carbon fiber reinforced polymer. However, the debonding damage between the carbon fiber reinforced polymer and host structures occurs frequently, which might lead to the brittle failure of structure components, especially flexural ones. In this paper, an electromechanical impedance-based method, an important technique in structural health monitoring, was adopted to detect the debonding damage of carbon fiber reinforced polymer plate-strengthened steel beam by usi
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Chumaevskii, Andrey V., Evgeny A. Kolubaev, Sergei Yu Tarasov, and Alexander A. Eliseev. "Mechanical Properties of Additive Manufactured Complex Matrix Three-Component Carbon Fiber Reinforced Composites." Key Engineering Materials 712 (September 2016): 232–36. http://dx.doi.org/10.4028/www.scientific.net/kem.712.232.

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Mechanical strength of carbon fiber reinforced composites made of thermoplastic-thermosetting polymer matrix reinforced by carbon fibers has been determined. High mechanical strength has been revealed in tensile and compression tests both along and across the fibers. Specificity of fracturing in fiber-thermoplastics-thermosetting composition has been revealed. The effect of fiber bundling type on fracturing has been addressed.
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Lee, Seung-Yun, Sun-Hee Kim, and Wonchang Choi. "Deterioration Behavior of Concrete Beam Reinforced with Carbon Fiber-Reinforced Plastic Rebar Exposed to Carbonation and Chloride Conditions." Polymers 17, no. 1 (2024): 55. https://doi.org/10.3390/polym17010055.

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The absence of carbon fiber-reinforced rebar performance standards in Korea has limited its reliability. This study investigates the durability performance of carbon fiber-reinforced polymer rebar as an alternative to traditional steel reinforcement in concrete structures. Concrete beams reinforced with carbon fiber-reinforced polymer rebar were exposed to chloride environments for durations of 35 and 70 days and then subjected to bending tests to evaluate their durability. The results demonstrate that the strong bond between the carbon fiber-reinforced polymer and concrete effectively prevent
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Al-Haik, M., C. C. Luhrs, M. M. Reda Taha, et al. "Hybrid Carbon Fibers/Carbon Nanotubes Structures for Next Generation Polymeric Composites." Journal of Nanotechnology 2010 (2010): 1–9. http://dx.doi.org/10.1155/2010/860178.

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Pitch-based carbon fibers are commonly used to produce polymeric carbon fiber structural composites. Several investigations have reported different methods for dispersing and subsequently aligning carbon nanotubes (CNTs) as a filler to reinforce polymer matrix. The significant difficulty in dispersing CNTs suggested the controlled-growth of CNTs on surfaces where they are needed. Here we compare between two techniques for depositing the catalyst iron used toward growing CNTs on pitch-based carbon fiber surfaces. Electrochemical deposition of iron using pulse voltametry is compared to DC magnet
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Md., Hossain Nadim, Mashfiqul Islam Md., Mustafiz Saima, and Kumar Mitra Debu. "Evaluating the Efficiency of Carbon Fiber Reinforced Polymer (CFRP) in Increasing the Compressive Strength of Circular Concrete Column." Journal of Construction and Building Materials Engineering (e-ISSN: 2581-6454) 5, no. 3 (2019): 33–46. https://doi.org/10.5281/zenodo.3510097.

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Structural elements that have deteriorated or have become operationally ineffective during their lifetime can be retrofitted by using Fiber Reinforced Polymer (FRP). Instead of demolishing existing structures improving them by using FRP is a relatively new technique and its gaining popularity. Various experimental and analytical studies are being undertaken to evaluate the performance of FRP on enhancing the performance of structural elements. In this study axial compression tests are performed on Carbon Fiber Reinforce Polymer (CFRP) wrapped circular column specimen and the efficiency of CFRP
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