Relevant bibliographies by topics / Carbon Fiber Reinforced Plastic (CFRP)

Academic literature on the topic 'Carbon Fiber Reinforced Plastic (CFRP)'

Author: Grafiati
Published: 6 September 2023

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Journal articles on the topic "Carbon Fiber Reinforced Plastic (CFRP)"

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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 (March 8, 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 strengthened substances, are an increasing number of replacing conventional substances with their superior electricity and occasional particular weight homes. Their manufacturability in various combos with custom designed electricity houses, their overtiredness Durability and more temperature and Antioxidant and Engineering this stuff does it a wonderful option program. Carbon fiber reinforced Polymer (CFRP) is is a mixture items utilized in both restore and strengthening of strengthened concrete systems.
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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 composite (Glass Fiber Reinforced Plastic/Polymer, abbreviation GFRP) and aramid fiber reinforced composite (Aramid Fiber Reinforced Plastic/Polymer, abbreviation AFRP). PAN based carbon fiber sheet by former PAN wires, PAN raw silk production high technical requirements, its technical difficulty is mainly manifested in the acrylonitrile spinning technique, PAN precursor, acrylonitrile polymerization process with solvent and initiator ratio. Based on this consideration, the subject chosen by domestic PAN precursor as the basic unit of the CFRP as the object of study.
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Zuo, Jian Dong, and Chao Yun Luo. "Piezoresistive Property of Carbon Fiber Reinforced Plastics." Key Engineering Materials 575-576 (September 2013): 174–78. http://dx.doi.org/10.4028/www.scientific.net/kem.575-576.174.

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Carbon fiber reinforced plastics (CFRP) were prepared by manual molding technology and the effect of loading speed on the piezoresistive property of CFPR was discussed. The piezoresistive sensitivity of CFRP with the different content of carbon fibers was contrasted and the interface morphology of CFRP was observed by SEM. The results show that CFRP has the obvious piezoresistive property and it can provide early warning as a kind of strain sensor. The piezoresistive sensitivity of CFRP decreases as the increasing of the content of carbon fibers in CFRP. Moreover the piezoresistive sensitivity of CFRP reduced as the increasing of loading speed. The SEM showed that the interface was good between carbon fibers and epoxy resin.
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Yashiro, Shigeki, and Keiji Ogi. "Experimental study on shear-dominant fiber failure in CFRP laminates by out-of-plane shear loading." Journal of Composite Materials 53, no. 10 (September 24, 2018): 1337–46. http://dx.doi.org/10.1177/0021998318801454.

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Understanding the shear behavior and resulting fiber failure of fiber-reinforced plastics is required for better prediction of their behavior during the machining process, but knowledge regarding the shear strength of fiber failure is limited. In this study, out-of-plane shear tests were conducted to observe the shear behavior of carbon fiber-reinforced plastic laminates subjected to high shear stress exceeding the shear strength of matrix failure. The longitudinal fibers in carbon fiber-reinforced plastic unidirectional laminates were cut by shear loading without severe internal damage and the maximum shear stress causing progressive fiber breaks was much higher than the shear strength of matrix failure. This result suggested the possibility of out-of-plane shearing as a machining method for fiber-reinforced plastics and shear tests were subsequently performed for carbon fiber-reinforced plastic cross-ply laminates. Delamination was generated by high shear stress to cut the reinforcing fibers, but the size of the remaining damage was small even in the thermoset carbon fiber-reinforced plastic laminates in which delamination likely occurs, without any optimization of the trimming conditions.
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Al Zahmi, Salem, Saif Alhammadi, Amged ElHassan, and Waleed Ahmed. "Carbon Fiber/PLA Recycled Composite." Polymers 14, no. 11 (May 28, 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 produce a recycled composite made from different carbon fiber leftover resources to reinforce the increasing waste of Polylactic acid (PLA) as a promising solution to the growing demand for both materials. Two types of leftover carbon fiber waste from domestic industries are handled: carbon fiber waste (CF) and carbon fiber-reinforced composite (CFRP). Two strategies are adopted to produce the recycled composite material, mixing PLA waste with CF one time and with CFRP the second time. The recycled composites are tested under tensile test conditions to investigate the impact of the waste carbon reinforcement on PLA properties. Additionally, thermogravimetric analysis (TGA), X-ray diffraction (XRD), and Fourier-transformed infrared spectroscopy (FTIR) is carried out on composites to study their thermal properties.
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Tamura, Shoichi, and Takashi Matsumura. "Cutting Force Model in Milling of Carbon Fiber Reinforced Plastic." Key Engineering Materials 611-612 (May 2014): 1166–73. http://dx.doi.org/10.4028/www.scientific.net/kem.611-612.1166.

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The demand of carbon fiber reinforced plastics (CFRP) has been increased in aircraft and automobile industries. In milling of CFRP, the cutting parameters should be determined to finish the machining surfaces without delamination. The tool wear is also a critical issue to finish good surfaces. The paper presents a force model to study the milling process of CFRP. In order to investigate the anisotropy in milling of CFRP, the cutting tests were conducted for unidirectional CFRPs with changing the feed direction of the milling tool. The cutting force and the surface finish depend on the feed direction with respect to the fiber orientation. A force model based on the minimum cutting energy is applied to milling of CFRP. The orthogonal cutting data used in the force model is associated with the relative angle of the cutting edge rotation angle to the fiber orientation. The model was verified in comparison between the predicted and the measured cutting forces. The model also estimates the effect of the feed direction with respect to the fiber orientations on the cutting force in terms of anisotropy in the orthogonal cutting data.
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Poyyathappan, K., G. B. Bhaskar, N. Venkatesan, Kaliyaperumal Pazhanivel, G. Saravanan, and Sabapathy Arunachalam. "Dynamic Mechanical and Flexural Characteristics of Glass-Carbon Hybrid Composites." Applied Mechanics and Materials 591 (July 2014): 72–76. http://dx.doi.org/10.4028/www.scientific.net/amm.591.72.

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This paper deals with the fabrication of test specimens of Glass fiber reinforced plastic (GFRP), Carbon fiber reinforced plastic (CFRP), Glass-Carbon fiber reinforced plastic (G-CFRP) and Carbon glass fiber reinforced plastic (C-GFRP) by using hand layup method. The low velocity point load setup was fabricated and fixed in the milling machine by using cam pointer arrangement. The specimens have been subjected to the low velocity point load for specific duration by exposure time such as 0,15,30,45 and 60 minutes. Then impact and DMA tests are also carried out for the above specimens. From the DMA test results it was found that the storage modulus and loss factor of GFRP specimen are high compared with others. Izod impact test result shows that impact strength of G-CFRP specimen is high. The flexural results reveals that among the four types of laminates CFRP gives higher order of flexural strength and modulus compared to the others
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Kitajima, Takayuki, Jumpei Kusuyama, Akinori Yui, Katsuji Fujii, and Yosuke Itoh. "Development of PCD Milling Tool for Carbon-Fiber-Reinforced Plastics." Advanced Materials Research 1017 (September 2014): 411–14. http://dx.doi.org/10.4028/www.scientific.net/amr.1017.411.

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Interest in carbon-fiber-reinforced plastic (CFRP) has been growing for the last several years. CFRP, a composite material made of carbon fibers and resins, has high mechanical characteristics and is well known as a difficult-to-cut material. During the process of drilling or cutting of CFRP, tool wear and delamination occur frequently. In this study, the authors developed a milling tool for CFRP using polycrystalline diamond, and the cutting performance of the developed tool was investigated.
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Wang, Zhonghe, Yao Ma, Boshi Yuan, Chunting Wu, Changqing Li, and Shuwei Sun. "Development of Laser Processing Carbon-Fiber-Reinforced Plastic." Sensors 23, no. 7 (March 31, 2023): 3659. http://dx.doi.org/10.3390/s23073659.

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Due to its exceptional advantages, such as high specific strength, high specific modulus, and good fatigue resistance, carbon-fiber-reinforced plastic (CFRP) is frequently utilized in aerospace, aviation, automotive, rail transportation, and other areas. Composite components typically need to be joined and integrated. In the equipment manufacturing industry, the most used methods for processing composite components are cutting, drilling, and surface treatment. The quality of CFRP is significantly impacted by traditional mechanical processing, causing flaws like delamination, burrs, and tears. Laser processing technology has emerged as a crucial method for processing CFRP for its high quality, non-contact, simple control, and automation features. The most recent research on the laser processing of CFRP is presented in this paper, supporting scientists and engineers who work in the field in using this unconventional manufacturing technique. This paper gives a general overview of the key features of laser processing technology and the numerous machining techniques available. The concepts and benefits of laser processing technology are discussed in terms of the material properties, mode of operation, and laser characteristics, as well as the methods to achieve high efficiency, low damage, and high precision. This paper reviews the research development of laser processing of carbon-fiber-reinforced plastics, and a summary of the factors affecting the quality of CFRP laser processing. Therefore, the research content of this article can be used as a theoretical basis for reducing thermal damage and improving the processing quality of laser-processed composite materials, while, on this basis, we analyze the development trend of CFRP laser processing technology.
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Cong, W. L., Z. J. Pei, Q. Feng, T. W. Deines, and C. Treadwell. "Rotary ultrasonic machining of CFRP: A comparison with twist drilling." Journal of Reinforced Plastics and Composites 31, no. 5 (March 2012): 313–21. http://dx.doi.org/10.1177/0731684411427419.

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Drilling is involved in many applications of carbon fiber–reinforced plastic composite. Twist drilling is widely used in industry. Rotary ultrasonic machining has been successfully tested to drill holes in carbon fiber–reinforced plastic. However, there are no reports on comparisons between rotary ultrasonic machining and twist drilling of carbon fiber-reinforced plastic. This paper compares rotary ultrasonic machining and twist drilling of carbon fiber–reinforced plastic in six aspects (cutting force, torque, surface roughness, delamination, tool life, and material remove rate). Experimental results show that rotary ultrasonic machining is superior in almost all these aspects.
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Dissertations / Theses on the topic "Carbon Fiber Reinforced Plastic (CFRP)"

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El-Hofy, Mohamed Hassan. "Milling/routing of carbon fibre reinforced plastic (CFRP) composites." Thesis, University of Birmingham, 2014. http://etheses.bham.ac.uk//id/eprint/5529/.

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The research relates to a study on the routing/slotting of CFRP composites of the type used in aerospace applications. Following a literature review, 3 phases of experimental work were undertaken to evaluate the effects of key process variables on the machinability of CFRP. The influence of varying operating parameters, tool material and cutting environment were initially investigated in Phase 1 work. The results showed that use of PCD was critical and highlighted the importance of chilled air in maintaining adequate tool life and acceptable workpiece integrity. Delivery of chilled air through a single-nozzle arrangement generally led to an increase in forces and delamination with the twin-nozzle configuration showing superior workpiece surface roughness. Phase 2 work detailed the effect of workpiece lay-up configuration on cutting forces, temperature and surface integrity following slotting and routing. Plies in the 45 direction generally exhibited the highest level of surface damage following machining. Experiments in Phase 3 showed that relatively small helix angles (± 3) had a negligible effect on tool life, forces and temperature. In addition, cutters with a single relief angle were found to have lower stability in operation compared to tools with a secondary clearance angle, with detrimental effects on surface roughness.
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Kairouz, Kays Clement. "The influence of stacking sequence on the strength of bonded CFRP joints." Thesis, Imperial College London, 1991. http://hdl.handle.net/10044/1/46855.

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Li, Maojun. "Drilling of carbon fibre reinforced plastic (CFRP) and metal matrix composites (MMC)." Thesis, University of Birmingham, 2015. http://etheses.bham.ac.uk//id/eprint/5953/.

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The use of carbon fibre reinforced plastic (CFRP) and metal matrix composites (MMC) is steadily increasing as an alternative to traditional metallic materials in various industrial sectors. The overall aim of the project is to assess the machinability when drilling epoxy based CFRP and Al/SiCp MMC composites and understand its effects on feature quality and workpiece integrity. Specific objectives of the project relate to establishing preferred/optimum operating parameters (cutting speed, feed rate and drill strategies) and investigating the influence of cutting environment (dry, chilled air, high pressure internal/external supplied coolant and low pressure flood) for drilling specific composite material systems. Key response measures include tool wear/life, thrust force/torque, hole size and geometrical accuracy, hole edge quality (delamination, uncut fibres and burrs) as well as workpiece surface integrity (surface roughness, microhardness, fibre/particle pullout, subsurface damage, etc.). The latest cutting tool materials and advanced diamond coatings, drill geometry and design format (e.g. domed PCD) were assessed in an attempt to improve productivity levels, tool life and hole quality. Tool wear mechanisms and its effect on hole surface quality were also investigated.
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Augusthus, Nelson Levingshan. "Size effects in reinforced concrete beams strengthened with CFRP straps." Thesis, University of Cambridge, 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.609248.

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Li, Xin. "Eddy current techniques for non-destructive testing of carbon fibre reinforced plastic (CFRP)." Thesis, University of Manchester, 2012. https://www.research.manchester.ac.uk/portal/en/theses/eddy-current-techniques-for-nondestructive-testing-of-carbon-fibre-reinforced-plastic-cfrp(e8aa9a3f-108d-49a4-9f32-2e6118195898).html.

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AbstractThis thesis describes research on the use of eddy current techniques for nondestructivetesting of carbon fibre reinforced plastic (CFRP). The research hasinvolved bulk conductivity testing, fibre direction characterization and 3D FEMmodeling of the CFPR and eddy current probes geometry. In the conductivity testing,how the sample thickness, fibre volume content and fibre conductivity affects thesignal from the eddy current has been evaluated. Eddy current testing shows gooddirectionality as CFRP is an anisotropic material, thus is very suitable to characterizethe fibre orientation. Direction sensitive probes have been developed and tested toreveal information about the fibre direction and layer. Computer FEM software hasbeen used to analyze the magnetic field inside the sample and probes. Specific probegeometries have been designed depending on the electrical properties of thecomposites and testing requirement. The experiment, simulation and analysis resultsshow very good agreement. However, when the measuring frequency increases, noisesand parasitic capacitance inevitably become significant and have a negative influenceon the results. Improvements and further research are proposed which are believed tomake eddy-current techniques a more feasible and efficient measurement method, willcontribute to the development and maintenance of light weight CFRP composites.
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Lim, Ee Yeong. "Bond strength and characteristics of Carbon Fibre Reinforced Plastic, CFRP, bars in concrete beams." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape3/PQDD_0034/MQ62242.pdf.

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Zin, Khazali Haji Mohd. "Ultrasonic wave propagation in carbon fibre reinforced plastic (CFRP) by non-contact laser technique." Thesis, University of Warwick, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.268081.

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Brunell, Garrett Floyd. "Functionality of a Damaged Steel Truss Bridge Strengthened with Post-Tensioned CFRP Tendons." Thesis, North Dakota State University, 2012. https://hdl.handle.net/10365/26559.

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This research program investigates the performance of a steel truss bridge when subjected to both localized web damage and a subsequent post-tensioned strengthening approach. The investigation utilizes a combined approach involving an experimental scale model bridge and a numerical computer model generated using the commercial finite element software RISA 3-D. The numerical model is validated using test data and further extended to parametric studies in order to investigate the theoretical load rating, strain energy, load redistribution, mode shapes and frequency of the bridge for control, damaged and strengthened states. The presence and severity of damage are found to significantly influence the global safety and reliability of the bridge. Also, higher order modes are more susceptible to changes in shape and frequency in the presence of damage. A recovery of truss deflection and a reduction of member forces are achieved by the proposed strengthening method.
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Zerkane, Ali S. H. "Cyclic Loading Behavior of CFRP-Wrapped Non-Ductile Reinforced Concrete Beam-Column Joints." PDXScholar, 2016. http://pdxscholar.library.pdx.edu/open_access_etds/3000.

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Use of fiber reinforced polymer (FRP) material has been a good solution for many problems in many fields. FRP is available in different types (carbon and glass) and shapes (sheets, rods, and laminates). Civil engineers have used this material to overcome the weakness of concrete members that may have been caused by substandard design or due to changes in the load distribution or to correct the weakness of concrete structures over time specially those subjected to hostile weather conditions. The attachment of FRP material to concrete surfaces to promote the function of the concrete members within the frame system is called Externally Bonded Fiber Reinforced Polymer Systems. Another common way to use the FRP is called Near Surface Mounted (NSM) whereby the material is inserted into the concrete members through grooves within the concrete cover. Concrete beam-column joints designed and constructed before 1970s were characterized by weak column-strong beam. Lack of transverse reinforcement within the joint reign, hence lack of ductility in the joints, and weak concrete could be one of the main reasons that many concrete buildings failed during earthquakes around the world. A technique was used in the present work to compensate for the lack of transverse reinforcement in the beam-column joint by using the carbon fiber reinforced polymer (CFRP) sheets as an Externally Bonded Fiber Reinforced Polymer System in order to retrofit the joint region, and to transfer the failure to the concrete beams. Six specimens in one third scale were designed, constructed, and tested. The proposed retrofitting technique proved to be very effective in improving the behavior of non-ductile beam-column joints, and to change the final mode of failure. The comparison between beam-column joints before and after retrofitting is presented in this study as exhibited by load versus deflection, load versus CFRP strain, energy dissipation, and ductility.
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Dykeman, Donna. "Minimizing uncertainty in cure modeling for composites manufacturing." Thesis, University of British Columbia, 2008. http://hdl.handle.net/2429/690.

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The degree of cure and temperature are consistent variables used in models to describe the state of material behaviour development for a thermoset during cure. Therefore, the validity of a cure kinetics model is an underlying concern when combining several material models to describe a part forming process, as is the case for process modeling. The goals of this work are to identify sources of uncertainty in the decision-making process from cure measurement by differential scanning calorimeter (DSC) to cure kinetics modeling, and to recommend practices for reducing uncertainty. Variability of cure kinetics model predictions based on DSC measurements are investigated in this work by a study on the carbon-fiber-reinforced-plastic (CFRP) T800H/3900-2, an interlaboratory Round Robin comparison of cure studies on T800H/3900-2, and a literature review of cure models for Hexcel 8552. It is shown that variability between model predictions can be as large as 50% for some process conditions when uncertainty goes unchecked for decisions of instrument quality, material consistency, measurement quality, data reduction and modeling practices. The variability decreases to 10% when all of the above decisions are identical except for the data reduction and modeling practices. In this work, recommendations are offered for the following practices: baseline selection, balancing heats of reaction, comparing data over an extensive temperature range (300 K), choosing appropriate models to describe a wide range of behaviour, testing model reliability, and visualization techniques for cure cycle selection. Specific insight is offered to the data reduction and analysis of thermoplastic-toughened systems which undergo phase separation during cure, as is the case for T800H/3900-2. The evidence of phase separation is a history-dependent Tg-α relationship. In the absence of a concise outline of best practices for cure measurement by DSC and modeling of complex materials, a list of guidelines based on the literature and the studies herein is proposed.
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Books on the topic "Carbon Fiber Reinforced Plastic (CFRP)"

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Purba, Burt K. Reinforcement of circular concrete columns with carbon fiber reinforced polymer (CFRP) jackets. Halifax, N.S: Nova Scotia CAD/CAM Centre, 1998.

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Zin, Khazali Haji Mohd. Ultrasonic wave propagation in carbon fibre reinforced plastic (CFRP) by non-contact laser. [s.l.]: typescript, 1998.

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Zarrog, Zarrog Mohammed. Shear behaviour of reinforced concrete beams: The study of deep beams (DRC) strengthened with externally bonded carbon fibre reinforced plastic (CFRP) sheets. Wolverhampton: University of Wolverhampton, 2002.

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Mohamed, Saiful Bahri, Radzuwan Ab Rashid, Martini Muhamad, and Jailani Ismail. Down Milling Trimming Process Optimization for Carbon Fiber-Reinforced Plastic. Singapore: Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-13-1804-7.

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Carr, Debra Julie. The influence of matrix properties on the compressive strength of CFRP [carbon fibre reinforced plastics]. Birmingham: University of Birmingham, 1994.

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United States. National Aeronautics and Space Administration., ed. Ultrasonic inspection of carbon fiber reinforced plastic by means of sample recognition methods. Washington D.C: National Aeronautics and Space Administration, 1985.

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Rashid, Radzuwan Ab, Saiful Bahri Mohamed, Martini Muhamad, and Jailani Ismail. Down Milling Trimming Process Optimization for Carbon Fiber-Reinforced Plastic. Springer, 2018.

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Jerome, David. Dynamic Response of Concrete Beams Externally Reinforced With Carbon Fiber Reinforced Plastic. Dissertation Discovery Company, 2019.

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Jerome, David. Dynamic Response of Concrete Beams Externally Reinforced With Carbon Fiber Reinforced Plastic. Dissertation Discovery Company, 2019.

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Book chapters on the topic "Carbon Fiber Reinforced Plastic (CFRP)"

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Colledani, Marcello, Stefano Turri, Marco Diani, and Volker Mathes. "Introduction, Context, and Motivations of a Circular Economy for Composite Materials." In Systemic Circular Economy Solutions for Fiber Reinforced Composites, 1–15. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-22352-5_1.

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AbstractCircular Economy is an emerging production-consumption paradigm showing the potential to recover and re-use functions and materials from post-use, end-of-life, products. Even if several barriers still exist at different levels, from legislation to customer acceptance, the transition to this sustainable industrial model has been demonstrated to potentially bring economic, environmental, and social benefits, at large scale. Composite materials, which usage is constantly increasing, are composed by a fiber reinforcement in a resin matrix. Among them, the most widely adopted are Glass Fiber Reinforced Plastics (GFRP) and Carbon Fiber Reinforced Plastics (CFRP). Their applications range from wind blades to automotive, construction, sporting equipment and furniture. The post-use treatment of composite-made products is still an open challenge. Today, they are either sent to landfill, where not banned, or incinerated. The application of Circular Economy principles may lead to the creation of new circular value-chains aiming at re-using functions and materials from post-use composite-made products in high value-added applications, thus increasing the sustainability of the composite industry as a whole.
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Copani, Giacomo, Maryam Mirpourian, Nikoletta Trivyza, Athanasios Rentizelas, Winifred Ijomah, Sarah Oswald, and Stefan Siegl. "New Business Models and Logistical Considerations for Composites Re-use." In Systemic Circular Economy Solutions for Fiber Reinforced Composites, 385–415. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-22352-5_19.

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AbstractThe growing use of composites in various industries such as aerospace, automotive and wind turbine has increased environmental concerns regarding their waste disposal methods. Deploying circular economy practices to reuse composites could play a crucial role in the future. In this regard, this chapter addresses the development and implementation of new business models for composites re-use, as fundamental enabler for the industrial exploitation and diffusion of technological and methodological innovations developed in the FiberEUse project. Seven products were chosen as representatives for composites reuse application in four industrial sectors: sanitary, sports equipment, furniture and automotive. Re-use business models are presented describing their value proposition, with particular reference to the provision of advanced product-service bundles, the revenue models (including schemes such as leasing), as well as new supply chain configurations entailing new partnership between producers and recyclers to access post-use composites to re-use. Given the importance of reverse supply networks, the potential reverse logistics pathways for mechanical recycling of Glass Fiber Reinforced Plastic (GFRP), thermal recycling of Carbon Fiber Reinforced Plastic (CFRP) and remanufacturing of CF composites waste in Europe for 2020 and 2050 have been investigated. We concluded that the optimal reverse logistics network needs to be decentralized in more than one country in Europe. Therefore, it is suggested that policy makers address regulation to allow the transportation of waste between European countries to facilitate the development of recycling networks for composites reuse.
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Granata, C., A. De Lollis, G. Campo, L. Piancastelli, A. Ballestrazzi, and L. Merlini. "Carbon Fiber Reinforced Plastic (CFRP) Knee-Ankle-Foot-Orthosis (KAFO) Prototype for Myopathic Patients." In Interfaces in Medicine and Mechanics—2, 239–42. Dordrecht: Springer Netherlands, 1991. http://dx.doi.org/10.1007/978-94-011-3852-9_23.

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Tserpes, Konstantinos, Elli Moutsompegka, Mareike Schlag, Kai Brune, Christian Tornow, Ana Reguero Simón, and Romain Ecault. "Characterization of Pre-bond Contamination and Aging Effects for CFRP Bonded Joints Using Reference Laboratory Methods, Mechanical Tests, and Numerical Simulation." In Adhesive Bonding of Aircraft Composite Structures, 51–117. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-319-92810-4_2.

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AbstractIn this chapter, the pre-bond contamination and ageing effects on carbon fiber reinforced plastic (CFRP) adherends and CFRP bonded joints are characterized by means of reference laboratory non-destructive testing (NDT) methods, mechanical tests, and numerical simulation. Contaminations from two fields of application are considered, namely in aircraft manufacturing (i.e. production) and for in-service bonded repair. The production-related scenarios comprise release agent, moisture, and fingerprint, while the repair-related scenarios comprise fingerprint, thermal degradation, de-icing fluid, and a faulty curing of the adhesive. For each scenario, three different levels of contamination were pre-set and applied, namely low, medium and high level. Furthermore, two types of samples were tested, namely coupons and pilot samples (a stiffened panel and scarf repairs). The CFRP adherends were contaminated prior to bonding and the obtained surfaces were characterized using X-ray photoelectron spectroscopy. After bonding, the joints were tested by ultrasonic testing. To characterize the effects of each contamination on the strength of the bonded joints, mode-I and mode-II fracture toughness tests, and novel centrifuge tests were conducted on the coupons, while tensile tests were performed on the scarfed samples. Additionally, numerical simulation was performed on CFRP stiffened panels under compression using the LS-DYNA finite element (FE) platform.
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Schäfer, Jens, Cristin Konkart, and Thomas Gries. "Sensor Integration in Carbon Fiber Reinforced Plastics (CFRP) to Detect Tension Differences." In Recent Developments in Braiding and Narrow Weaving, 103–10. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-29932-7_10.

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Schlag, Mareike, Kai Brune, Hauke Brüning, Michael Noeske, Célian Cherrier, Tobias Hanning, Julius Drosten, et al. "Extended Non-destructive Testing for Surface Quality Assessment." In Adhesive Bonding of Aircraft Composite Structures, 119–222. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-319-92810-4_3.

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AbstractThis chapter introduces various extended non-destructive testing (ENDT) techniques for surface quality assessment, which are first characterized, then enhanced, and finally applied to assess the level of pre-bond contaminations intentionally applied to carbon fiber reinforced plastic (CFRP) adherends following the procedures described in the previous chapter. Based on two user cases comprising different scenarios that are characteristic of either aeronautical production or repair, the detailed tests conducted on two types of sample geometry, namely flat coupons and scarfed pilot samples with a more complex shape, form the basis for applying the advanced ENDT procedures for the monitoring of realistic and real aircraft parts, as will be described in Chap. 10.1007/978-3-319-92810-4_5. Specifically, the reported investigations were performed to assess the surface quality of first ground and then intentionally contaminated CFRP surfaces using the following ENDT tools: the aerosol wetting test (AWT), optically stimulated electron emission (OSEE), two differently implemented approaches based on electronic noses, laser-induced breakdown spectroscopy (LIBS), Fourier-transform infrared (FTIR) spectroscopy, laser-induced fluorescence (LIF), and laser vibrometry.
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Georgiev, Sergey, Dmitry Mailian, and Elnar Huseynov. "Strength and Deformability of Bent Reinforced Concrete Structures Strengthened with Carbon Fiber Reinforced Plastic (CFRP) Using a New Technology." In Lecture Notes in Networks and Systems, 1633–42. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-11051-1_168.

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Yahya, Norrul Azmi, Norliyati Mohd Amin, Mohd Raizamzamani Md Zain, Oh Chai Lian, and Lee Siong Wee. "Bearing Strength of Concrete Blocks with External Wrapping of Carbon Fibre Reinforced Plastic (CFRP)." In ICSDEMS 2019, 249–57. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-3765-3_25.

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Ma, Quanjin, M. R. M. Rejab, N. A. Alang, Muammel M. Hanon, Binghua Yang, Haichao Hu, and Bo Zhang. "Crashworthiness Performance of Sandwich Panel with Self-Reinforced Polypropylene (SRPP) and Carbon Fiber-Reinforced Plastic (CFRP) Spherical-Roof Contoured Cores." In Thin-Walled Composite Protective Structures for Crashworthiness Applications, 1–12. Singapore: Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-99-5289-2_1.

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Ren, Q. X., T. G. Chen, C. K. Huang, and Y. H. Liu. "Nonlinear Finite Element Buckling Analysis of Square Reinforced Concrete long Columns Confined with Carbon Fiber Reinforced Plastic (CFRP) Sheets under Uniaxial Compression." In Computational Methods in Engineering & Science, 214. Berlin, Heidelberg: Springer Berlin Heidelberg, 2006. http://dx.doi.org/10.1007/978-3-540-48260-4_60.

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Conference papers on the topic "Carbon Fiber Reinforced Plastic (CFRP)"

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Sun, Jiayu, Kenta Yamanaka, Akihiko Chiba, Yuji Ichikawa, Hiroki Saito, and Kazuhiro Ogawa. "Cold Spray Sn Coating on the Carbon Fiber Reinforced Polymer." In ITSC2021, edited by F. Azarmi, X. Chen, J. Cizek, C. Cojocaru, B. Jodoin, H. Koivuluoto, Y. C. Lau, et al. ASM International, 2021. http://dx.doi.org/10.31399/asm.cp.itsc2021p0075.

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Abstract Because of their high specific strength; carbon fiber reinforced plastics (CFRPs) are widely used in the aerospace industry. Metallization of CFRP by cold spraying as a surface modification method can improve the low thermal resistance and electrical conductivity of CFRP without the need for high heat input. Herein; we cold spray a Sn coating on cured CFRP substrates and examine the Sn/epoxy interface. The results suggest that the Sn coatings are successfully obtained at a gas temperature of 473 K and indicate no severe damage to the CFRP substrates. The stress and plastic strain distributions at the cross-section of the Sn/CFRP interface when a Sn particle is impacted onto the CFRP substrate are obtained using the finite element method.
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Kracht, Dietmar, Peter Jaeschke, Frank Voelkermeyer, Fabian Fischer, and Uwe Stute. "Laser processing of carbon fiber reinforced plastic (CFRP)." In ICALEO® 2010: 29th International Congress on Laser Materials Processing, Laser Microprocessing and Nanomanufacturing. Laser Institute of America, 2010. http://dx.doi.org/10.2351/1.5062101.

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Ning, Fuda, Weilong Cong, Junhua Wei, Shiren Wang, and Meng Zhang. "Additive Manufacturing of CFRP Composites Using Fused Deposition Modeling: Effects of Carbon Fiber Content and Length." In ASME 2015 International Manufacturing Science and Engineering Conference. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/msec2015-9436.

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Additive manufacturing (AM) technologies have been successfully applied in various applications. Fused deposition modeling (FDM), one of popular AM techniques, is most widely used method for manufacturing of plastic materials. Due to the poor strength properties of pure plastic materials, there is a critical need to improve mechanical properties for FDM-fabricated pure plastic parts. One of the possible methods is adding reinforced materials (such as carbon fibers) into plastic materials to form carbon fiber reinforced plastic (CFRP) composites. The investigation in this paper is going to test if the properties of CFRP composites part will be enhanced compared with pure plastic part made by FDM. There are three major steps in this paper including producing thermoplastic matrix CFRP composites filaments extruded after blending plastic pellets and carbon fiber powder, printing parts in FDM process, and conducting tensile test. Effects of carbon fiber content and length on the mechanical properties (tensile strength, Young’s modulus, toughness, ductility, and yield strength) of specimens are investigated. This investigation will also provide guidance for future investigations of fabricating thermoset matrix CFRP composites by AM techniques.
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"Upgrading Reinforced Concrete Columns by Jacketing with Carbon Fiber-Reinforced Plastic (CFRP) Sheets." In "SP-193: Repair, Rehabilitation, and Maintenance of Concrete Structures, and Innovations in Design and Construction - Pro". American Concrete Institute, 2000. http://dx.doi.org/10.14359/5840.

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Khawarizmi, Ryan, Patrick Kwon, Mohammad Sayem Bin Abdullah, Yinyin Han, and Dave Kim. "The Effect of Carbon Fiber Types on Tool Wear During Edge Trimming of 0°, 45°, 90°, and 135° Carbon Fiber Reinforced Plastic Laminates." In ASME 2021 16th International Manufacturing Science and Engineering Conference. American Society of Mechanical Engineers, 2021. http://dx.doi.org/10.1115/msec2021-63510.

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Abstract Although carbon fiber reinforced plastics (CFRP) materials are widely used in high-strength and low-weight applications such as aerospace, defense, and automotive industries, they are one of the difficult-to-machine materials due to extensive tool wear. This paper investigates the impact of carbon fiber types on tool wear in edge-trimming CFRPs, each with particular ply angle of 0°, 45°, 90°, or 135°, using uncoated tungsten carbide endmills at a high spindle speed of 6000 rpm and a constant feed of 0.0508 mm/rev. Three distinct types of carbon fiber tows, including T300 as standard modulus (SM), IM-7 as intermediate modulus (IM), and K13312 as high modulus (HM), have been vacuum infused into CFRP laminates and edge-trimmed to investigate wear characteristics. Three wear criteria measured are flank wear, edge rounding radii, and worn area. The results show that tool wear is influenced by carbon fiber properties, such as fiber tensile strength, tensile modulus, and fiber microstructure. Overall, Intermediate modulus carbon fibers with the highest tensile strength produced the largest tool wear due to brushing effects by abrasive carbon fibers. Out of four fiber directions, the largest tool wear was obtained from the 45° angle while the lowest tool wear occurred in the 0° angle.
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Ghafarizadeh, Seyedbehzad, Jean-François Chatelain, and Gilbert Lebrun. "Experimental Investigation to Study Cutting Temperature During Milling of Unidirectional Carbon Fiber Reinforced Plastic." In ASME 2014 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/imece2014-36767.

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The surface machining of Carbon Fiber Reinforced Plastics (CFRP) materials is a challenging process, given the heterogeneity and anisotropic nature of these composites, which, combined with the abrasiveness of the fibers involved, can produce some surface damage and extensive tool wear. The cutting temperature is one of the most important factors associated with the tool wear rate and machinability of these materials, which are also affected by the mechanical and thermal properties of the work material and the cutting conditions. In this work, the cutting temperature, forces and surface roughness were measured under different cutting conditions during the ball-end milling of unidirectional CFRP. Cutting speeds ranging from 200 to 350 m/min, a feed rate of 0.063 mm/rev, fiber orientation of (the angle between carbon fibers and feed direction) 0, 45, 90 and 135 degrees, and a 0.5 mm depth of cut were used. The results show that the cutting speed and fiber orientation have a significant influence on the cutting temperature and cutting force. The maximum and minimum cutting forces and temperature were achieved for fiber orientations of 90 and 0 degrees, respectively.
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Semmler, Christian, and Andreas Killinger. "Process Innovation for the Internal Coating of Carbon Fiber Reinforced Plastic (CFRP) Tubes via Thermal Spraying." In ITSC 2023. ASM International, 2023. http://dx.doi.org/10.31399/asm.cp.itsc2023p0323.

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Abstract The application of thermally sprayed coatings on CFRPs has gained great interest to enhance thermal and tribological properties and several processes have been optimized. However, for the coating of internal surfaces of tubes there is no sufficient technical solution. This paper introduces a novel and unique process technique for coating the internal surfaces of CFRP tubes using the transplantation of thermally sprayed coatings. A negative shape tube with defined surface and material properties was used as a mandrel and coated using atmospheric plasma spraying (APS). The CFRP was then produced using filament winding onto the coating, and after curing, the specimen was separated from the mandrel. With this process innovation, CFRP tubes with internal ceramic or metallic coatings can be produced without any thermal degradation of the polymeric matrix or damage to the carbon fibers. Compared to conventional coating methods, this novel process technique has several advantages. It allows for the production of internal coatings with low roughness of Rz = 10 μm as sprayed without post-processing. The specimens also have a significantly lower tendency to corrode compared to conventional coated CFRPs. A high adhesion strength of the coatings of 15.9 MPa was achieved and the hardness of the internal ceramic coating is 918 HV0.1
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Kobayashi, Satoshi, and Toshiko Osada. "Long-Term Durability of Pitch-Based High Modulus Carbon Fiber Reinforced Plastics." In ASME 2020 Pressure Vessels & Piping Conference. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/pvp2020-21336.

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Abstract Static tensile and tensile-tensile fatigue were conducted on PITCH-based high modulus carbon fiber reinforced plastics (CFRP). PAN-based intermediate and high modulus CFRP were also tested for comparison.. Unidirectional laminates were prepared with wet panel method. The damage mode for high modulus CFRP was fiber breakage for both static and fatigue loading, whereas splitting was dominant for intermediate modulus CFRP. The slope of the S-N curve was larger for the intermediate modulus CFRP than that for the high modulus CFRP. This is attributed to the lower failure strain of the high modulus carbon fibers. That is, the larger strain on intermediate modulus CFRP at lower stress level comparing with high modulus CFRP caused severer matrix damages during fatigue loading. This results indicated the higher durability of high modulus CFRP. Residual strength measurement were conducted on the un-broken PITCH-based CFRP up to 1,000,000 cycles with acoustic emission measurements. The Kaiser effect was not satisfied for the specimen with lower residual strength at the stress level of the fatigue test. In addition, gradual acoustic emissions with longer duration and rise time were measured before final fracture in the static tests. These results indicated the possibility to detect the microscopic damage monitoring for the CFRP with acoustic emission measurement focusing on the duration of the acoustic wave.
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Niino, Hiroyuki, Yoshihisa Harada, Kenji Anzai, Mitsuaki Aoyama, Masafumi Matsushita, Koichi Furukawa, Michiteru Nishino, Akira Fujisaki, Taizo Miyato, and Takashi Kayahara. "2D/3D laser cutting of carbon fiber reinforced plastic (CFRP) by fiber laser irradiation." In SPIE LASE, edited by Henry Helvajian, Alberto Piqué, Martin Wegener, and Bo Gu. SPIE, 2015. http://dx.doi.org/10.1117/12.2077447.

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"Microwave degradation of carbon fiber reinforced plastics in choline chloride." In Sustainable Processes and Clean Energy Transition. Materials Research Forum LLC, 2023. http://dx.doi.org/10.21741/9781644902516-6.

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Abstract. In spite of resin recycling of carbon fiber reinforced plastics (CFRP) is very important as well-known on the viewpoint of environmental protection and resource conservation, the development of effective resin recycling had hardly been investigated. In this study, we investigated the operating conditions for microwave decomposition of CFRP using various alcohols as solvents. In order to avoid rapid absorption of microwaves into carbon fibers (CF), choline chloride was added to the solvent for microwave degradation. Ethylene glycol monoallyl ether (EGMA) was used as a solvent in order to reuse the resin part. Double bonds could be introduced into the resin degradation products. The preparation of cured products by condensation reaction by using the resin degradation products was also successful.
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Reports on the topic "Carbon Fiber Reinforced Plastic (CFRP)"

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Carlson, Blair E., David Ollett, and Sarah Kleinbaum. Friction Stir Scribe Joining of Carbon Fiber Reinforced Polymer (CFRP) to Aluminum. Office of Scientific and Technical Information (OSTI), February 2018. http://dx.doi.org/10.2172/1464600.

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Riveros, Guillermo, and Hussam Mahmoud. Underwater carbon fiber reinforced polymer (CFRP)–retrofitted steel hydraulic structures (SHS) fatigue cracks. Engineer Research and Development Center (U.S.), March 2023. http://dx.doi.org/10.21079/11681/46588.

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Recent advances in the use of fiber-reinforced polymers (FRP) to retrofit steel structures subjected to fatigue cracks have shown to be a viable solution for increasing fatigue life in steel hydraulic structures (SHS). Although several studies have been conducted to evaluate the use of FRP for retrofitting metal alloys and the promising potential of such has been well-demonstrated, the application has never been implemented in underwater steel structures. This Coastal and Hydraulics Engineering Technical Note presents the implementation of FRP patches to repair fatigue cracks at Old Hickory Lock and Dam miter gate.
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Gruenendahl, Stefan, Marvin Johnson, and Douglas Berry. Carbon Fiber Reinforced Plastic with Substantially Improved Through-plane Thermal Conductivity. Office of Scientific and Technical Information (OSTI), March 2023. http://dx.doi.org/10.2172/1963549.

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Saeed, Yasir. Use of Carbon Fiber Reinforced Polymer (CFRP) Including Sheets, Rods, and Ropes in Strengthening and Repairing Long Reinforced Concrete Columns. Portland State University Library, January 2000. http://dx.doi.org/10.15760/etd.7472.

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Okerberg, Brian, Mark Nichols, and Jenifer Locke. Corrosion Control in Carbon Fiber Reinforced Plastic Composite Aluminum Closure Panel Hem Joints. Office of Scientific and Technical Information (OSTI), December 2020. http://dx.doi.org/10.2172/1755117.

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Acosta, Felipe, and Guillermo Riveros. Repair of corroded steel girders of hydraulic steel structures (HSS) using fiber-reinforced polymers (FRP). Engineer Research and Development Center (U.S.), August 2023. http://dx.doi.org/10.21079/11681/47404.

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Although steel hydraulic structures have a protective system to prevent corrosion, this type of deterioration will eventually occur due to the constant exposure to harsh environmental conditions. There are several techniques that can be implemented to repair corroded steel structural elements. This report presents a numerical study to evaluate the mechanical behavior of corroded steel girders used in hydraulic steel structures and to evaluate several carbon fiber–reinforced polymers (CFRP) layups to repair them. The girders were modeled as simply supported with four-point loading boundary conditions. The corrosion deterioration was modeled as loss in section as 10%, 25%, and 40%. The effectiveness of the deterioration was established based on the level of stresses at the steel compared with the undamaged condition after it is strengthened with CFRP. It was found that CFRP repair is more practical for reducing the stresses at the steel in the shear dominated zone if deterioration is below 25%. At the tensile dominated zone, CFRP is effective for reducing the stresses for deterioration below 40%.
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Mahmoud, Hussam, Guillermo Riveros, Lauren Hudak, and Emad Hassan. Experimental fatigue evaluation of underwater steel panels retrofitted with fiber polymers. Engineer Research and Development Center (U.S.), March 2023. http://dx.doi.org/10.21079/11681/46647.

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Many steel structures are susceptible to fatigue loading and damage that potentially threaten their integrity. Steel hydraulic structures (SHS) experience fatigue loading during operation and exposure to harsh environmental conditions that can further reduce fatigue life through stress corrosion cracking and corrosion fatigue, for example. Dewatering to complete inspections or repairs to SHS is time consuming and leads to economic losses, and current repair methods, such as rewelding, often cause new cracks to form after relatively few cycles, requiring repeated inspection and repair. The use of bonded carbon fiber–reinforced polymer (CFRP) to repair fatigue cracks in metallic structures has been successful in other industries; recent work suggests that this method offers a more reliable repair method for SHS. Studies regarding CFRP retrofits of SHS indicate that early bond failure often controls the degree of fatigue life extension provided by the repair. This study aims to extend previous studies and increase the fatigue life of repaired steel components by employing methods to improve CFRP bonding. Additionally, using basalt reinforced polymer (BFRP) instead of CFRP is proposed. BFRP is attractive for SHS because it does not react galvanically and has excellent resistance to chemically active environments.
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Wang, Hao, Milad Salemi, Jiaqi Chen, P. N. Balaguru, Jinhao Liang, and Ning Xie. DTPH56-15H-CAP04L An Inorganic Composite Coating for Pipeline Rehabilitation and Corrosion Protection. Chantilly, Virginia: Pipeline Research Council International, Inc. (PRCI), December 2018. http://dx.doi.org/10.55274/r0011991.

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The project aims to address the need for an inorganic coating composite for corrosion protection of pipelines in an aggressive environment. The inorganic coating does not generate CO2 emission or volatile organic content (VOC). Inorganic coatings are frequently used in the construction industry as anti-corrosion coatings, which are effective, chemically inert, hard, and thermally stable. In this study, microfiber reinforcement and Nano-modification were used to improve the performance of the inorganic coating system. The research work integrates both laboratory testing and numerical simulations. The major tasks conducted are 1) development of an inorganic coating with Nano modification; 2) accelerated corrosion testing; 3) durability and adhesion strength testing; 4) shear testing of coating with carbon fiber reinforced polymer (CFRP), and 5) analytical study of composite repair system of the pipeline.
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Carbon Fiber Reinforced Polymer (CFRP) Laminates for Structural Strengthening. Purdue University, 2007. http://dx.doi.org/10.5703/1288284315732.

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