Academic literature on the topic 'Glass-reinforced plastics'

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Journal articles on the topic "Glass-reinforced plastics"

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Seshanandan, G., D. Ravindran, and T. Sornakumar. "Effect of Nano Aluminum Oxide Fillers on the Properties of FRP Polymer Matrix Composites." Applied Mechanics and Materials 787 (August 2015): 612–16. http://dx.doi.org/10.4028/www.scientific.net/amm.787.612.

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Fiber reinforced plastics are composite materials made of polymer matrix reinforced with fibers. Fiber reinforced plastics find increased applications in automotive, marine, aerospace and construction industries. The objective of the present work is to study the effect of nano aluminum oxide fillers on the properties of glass fiber reinforced plastics. The glass fiber reinforced plastic specimens were manufactured with glass fiber chopped strand mat, polyester resin and nano aluminum oxide fillers by the hand layup technique. The nano aluminum oxide fillers are incorporated in different weight ratios in the fiber reinforced plastics and the mechanical properties were evaluated.
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Ianakiev, Anton, and Hooi Cheah. "Glass Fibre Reinforced Composites from Recycled Polymers." Key Engineering Materials 572 (September 2013): 28–31. http://dx.doi.org/10.4028/www.scientific.net/kem.572.28.

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The paper analyses the development and market potential of composite structure boards for the construction and built environment. The composite material is based on using recycled plastic reinforced with glass fibres. For some plastic materials, the Young modulus is relatively low and a sandwich structure built from plastic skin and foam core has to be used in order to achieve the required stiffness. The structural boards will be formed by a single one or two step moulding process instead of fabricated in a number of processes. The contens of the board has been optimised to reduce its weight and to enable it to be moulded from compounds using a high percentage of recycled plastics. Test samples have been tested at Nottingham Trent University (NTU) Civil Engineering laboratory to evaluate the influences of the type of plastic, the skin foam ratio and the percentage of glass fibres into the composite material mechanical properties.
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Sorenkov, A. "Glass-reinforced plastics products for chemical industry." Kosmìčna nauka ì tehnologìâ 9, no. 1s (2003): 165–69. http://dx.doi.org/10.15407/knit2003.01s.165.

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NITTA, Isami, Hiroshi SHIOBARA, and Akira IWABUCHI. "Contact Stiffness of Glass Fiber-reinforced Plastics." TEION KOGAKU (Journal of Cryogenics and Superconductivity Society of Japan) 33, no. 5 (1998): 290–99. http://dx.doi.org/10.2221/jcsj.33.290.

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Craig, P. D., and J. Summerscales. "Poisson's ratios in glass fibre reinforced plastics." Composite Structures 9, no. 3 (January 1988): 173–88. http://dx.doi.org/10.1016/0263-8223(88)90013-x.

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Ciecieląg, Krzysztof, Kazimierz Zaleski, and Krzysztof Kęcik. "The influence of milling parameters on the surface roughness of glass and carbon fiber reinforced plastics." Mechanik 92, no. 10 (October 7, 2019): 649–51. http://dx.doi.org/10.17814/mechanik.2019.10.84.

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In this paper, the impact of milling process parameters on the roughness of surface of glass and carbon fiber reinforced plastics was analyzed. The influence of feed per tooth, cutting speed and depth of cut on selected surface roughness parameters was determined. It was found that the surface roughness after milling carbon fiber reinforced plastics was greater compared to the surface of glass fiber reinforced plastics.
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Gkoloni, N., and V. Kostopoulos. "Life cycle assessment of bio-composite laminates. A comparative study." IOP Conference Series: Earth and Environmental Science 899, no. 1 (November 1, 2021): 012041. http://dx.doi.org/10.1088/1755-1315/899/1/012041.

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Abstract The use of glass fiber reinforced plastics is steadily increasing in the aerospace industry for aircraft interiors. However, the glass fiber reinforced plastics, although provide a robust solution they have many issues concerning their environmental friendliness. An alternative environmentally friendly solution for aircraft interiors is the use of bio-composites. Bio-composites used in this kind of applications are made of natural fibers as reinforcement and the use of bio-resins as matrix material. In the present study a life-cycle assessment approach is applied to selected bio-composites scenario and the comparison were made against the currently used glass fiber reinforced plastics. Results show the use of flax fiber reinforced materials seems to have lower environmental impact.
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Nishida, Yuichi, Teruo Kimura, and Katsuji Shibata. "Injection Molding of Fiber Reinforced Plastics by Using Extracted Glass Fiber from FRP Waste." Key Engineering Materials 334-335 (March 2007): 533–36. http://dx.doi.org/10.4028/www.scientific.net/kem.334-335.533.

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This report proposed the injection molding method of thermoplastic composite materials reinforced by the glass fiber extracted from FRP waste. Glass fiber was pre-treated by card machines and mixed with PP fiber. The sliver-type glass/PP mixture was fed into the injection molding machine directly. As a result, the glass fiber reinforced PP composites were obtained. The mechanical properties of the fiber reinforced composites were measured and discussed. It is concluded that the extracted glass fiber is good for the reinforcement of composite. The result suggests that the injection molding method described herein shows promise for contributing toward the material recycling of glass fiber extracted by the normal pressure dissolution method.
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Durão, Luís Miguel P., Daniel J. S. Gonçalves, João Manuel R. S. Tavares, Victor Hugo C. de Albuquerque, Túlio H. Panzera, Leandro J. Silva, A. Aguiar Vieira, and A. P. M. Baptista. "Drilling Delamination Outcomes on Glass and Sisal Reinforced Plastics." Materials Science Forum 730-732 (November 2012): 301–6. http://dx.doi.org/10.4028/www.scientific.net/msf.730-732.301.

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Nowadays, fibre reinforced plastics are used in a wide variety of applications. Apart from the most known reinforcement fibres, like glass or carbon, natural fibres can be seen as an economical alternative. However, some mistrust is yet limiting the use of such materials, being one of the main reasons the inconsistency normally found in their mechanical properties. It should be noticed that these materials are more used for their low density than for their high stiffness. In this work, two different types of reinforced plates were compared: glass reinforced epoxy plate and sisal reinforced epoxy plate. For material characterization purposes, tensile and flexural tests were carried out. Main properties of both materials, like elastic modulus, tensile strength or flexural modulus, are presented and compared with reference values. Afterwards, plates were drilled under two different feed rates: low and high, with two diverse tools: twist and brad type drill, while cutting speed was kept constant. Thrust forces during drilling were monitored. Then, delamination area around the hole was assessed by using digital images that were processed using a computational platform previously developed. Finally, drilled plates were mechanically tested for bearing and open-hole resistance. Results were compared and correlated with the measured delamination. Conclusions contribute to the understanding of natural fibres reinforced plastics as a substitute to glass fibres reinforced plastics, helping on cost reductions without compromising reliability, as well as the consequence of delamination on mechanical resistance of this type of composites.
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Grause, Guido, Tomoyuki Mochizuki, Tomohito Kameda, and Toshiaki Yoshioka. "Recovery of glass fibers from glass fiber reinforced plastics by pyrolysis." Journal of Material Cycles and Waste Management 15, no. 2 (November 17, 2012): 122–28. http://dx.doi.org/10.1007/s10163-012-0101-x.

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Dissertations / Theses on the topic "Glass-reinforced plastics"

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Kajorncheappunngam, Somjai. "The effects of environmental aging on the durability of glass/epoxy composites." Morgantown, W. Va. : [West Virginia University Libraries], 1999. http://etd.wvu.edu/templates/showETD.cfm?recnum=1079.

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Thesis (Ph. D.)--West Virginia University, 1999.
Title from document title page. Document formatted into pages; contains xv, 229 p. : ill. (some col.). Includes abstract. Includes bibliographical references (p. 197-203).
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Damiani, Thomas Miles. "A model to predict the long-term strength of e-glass fiber composites subjected to environmental exposure." Morgantown, W. Va. : [West Virginia University Libraries], 2000. http://etd.wvu.edu/templates/showETD.cfm?recnum=1517.

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Thesis (M.S.)--West Virginia University, 2000.
Title from document title page. Document formatted into pages; contains xiii, 86 p. : ill. (some col.). Vita. Includes abstract. Includes bibliographical references (p. 81-84).
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Crowther, M. F. "Creep and fatigue interactions in glass reinforced plastics." Thesis, University of Bath, 1987. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.760568.

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Ziehl, Paul Henry. "Development of a damage based design criterion for fiber reinforced vessels /." Full text (PDF) from UMI/Dissertation Abstracts International, 2000. http://wwwlib.umi.com/cr/utexas/fullcit?p3004409.

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Kretsis, George. "Mechanical characterisation of hybrid glass/carbon fibre-reinforced plastics." Thesis, Imperial College London, 1987. http://hdl.handle.net/10044/1/46982.

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Wells, Garry Michael. "The transverse mechanical behaviour of glass fibre reinforced plastics." Thesis, University of Bath, 1987. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.380692.

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McClelland, Alan Nigel Robert. "The injection moulding of long glass fibre reinforced thermoplastic materials." Thesis, University of Liverpool, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.235520.

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Naeem, Mohammed. "The resistance of glass reinforced thermosetting polymers to thermohumid conditions." Thesis, Loughborough University, 1985. https://dspace.lboro.ac.uk/2134/14391.

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Advanced composite materials based mainly on epoxy resins are being used in increasing numbers of components in the aerospace industry. Such components have to survive in a range of moisture and temperature environments in different parts of the world at varying altitudes. It is important therefore to have sufficient information about the behaviour of composite components to predict what effect these environments will have on their properties. The aim of the work reported in this thesis was to provide such information not only for epoxy based systems but to make comparisons with polyester and vinyl ester based materials. Five glass fibre reinforced resin systems were used. Two vinyl esters, one polyester, one straight epoxy and one epoxy prepreg mixture. The effect of immersion in distilled water and exposure to humid air at 60% and 95% relative humidity was investigated at temperatures ranging from 25°c to 70°c, for periods of sixteen and forty days. During these periods moisture uptake for both unidirectional and bidirectional materials was recorded on a daily basis, and variations in glass transition temperature were determined. At the end of each period the ultimate tensile stress, tensile modulus, tensile strain to failure, interlaminar shear strength and interplanar shear strength of each material was determined. The water absorption results for the vinyl ester resins, polyester and straight epoxy resin initially showed Fickian diffusion characteristics. In the epoxy prepreg material a two stage diffusion process was observed. No equilibrium water absorption plateau was obtained over forty days at 60% relative humidity for any of the materials, at any temperature. All the mechanical properties dropped under these conditions and this was shown to be as a result of degradation at the glass-resin interface. At 95% relative humidity the fall in mechanical properties was greater and not recoverable. Under these conditions plasticization of the matrix had occurred. All the material samples which were subject to hot water under- went pronounced degradation. The degradation process was shown to be due to penetration of water at the glass-resin interface, followed by attack on the coupling agent and glass fibre surface. This degradation process was confirmed.by micro-observations of the fracture surfaces.
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Larson, Karl W. "Evaluation of GFRP framing connections." Thesis, This resource online, 1994. http://scholar.lib.vt.edu/theses/available/etd-06112009-063336/.

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Hill, Alistair R. "The mechanical properties of glass fibre reinforced and rubber toughened polypropylene." Thesis, University of Surrey, 1991. http://epubs.surrey.ac.uk/843764/.

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The mechanical properties and fracture mechanics of a series of short glass fibre reinforced and rubber toughened polypropylene composite grades has been studied. The microstructural characteristics of composite grades were examined and, through appropriate models, related to the observed mechanical properties. The moulded material was modelled as being composed of fibre reinforced plies of varying average fibre orientation. The rubber was distributed uniformly throughout the specimens. The main effect of the rubber was to reduce the stiffness of the matrix and hence also the efficiency of the load transfer at the fibre/matrix interface while at the same time improving the fracture toughness and critical strain energy release rate of the matrix. Automated image analysis has been used to characterise the rubber particles' size, shape and distribution, and glass fibres' length and orientation distributions. The fibre/matrix interface has been studied using a novel single fibre fragmentation technique. Iterative computer simulations have been developed to accurately predict the stress-strain response of the various grades. The fracture mechanics properties of this series of materials are highly strain rate sensitive. At low strain rates the addition of glass fibres reduces the toughness of the material because the fibres act as discontinuities within the matrix, aiding initiation and propagation of a crack. At higher strain rates the fibres toughen the material by increasing the energy dissipation associated with fibre pull-out. These effects result in changes in the fracture surface morphology. Fibres pulled-out at low strain rates had clean surfaces. At higher strain rates the surfaces of pulled-out fibres were coated in an adherent sheath of matrix material. These effects are considered to be a consequence of the viscoelastic nature of the matrix. At low strain rates the matrix deforms plastically. At impact speeds the matrix responds in a predomoninantly brittle manner.
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Books on the topic "Glass-reinforced plastics"

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N, Cheremisinoff Paul, ed. Fiberglass reinforced plastics. Park Ridge, N.J., U.S.A: Noyes Publications, 1995.

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Kalinchev, V. A. Namotannye stekloplastiki. Moskva: Khimii͡a︡, 1986.

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Wiley, Jack. The fiberglass repair and construction handbook. 2nd ed. Blue Ridge Summit, PA: Tab Books, 1988.

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Lapit͡skiĭ, V. A. Fiziko-mekhanicheskie svoĭstva ėpoksidnykh polimerov i stekloplastikov. Kiev: Naukova dumka, 1986.

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Vehicle fabrications in G.R.P. Oxford: BSP Professional Books, 1987.

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M, Fanconi B., United States. Army Research Office, and United States. National Bureau of Standards, eds. In-situ characterization of the interface of glass reinforced composites. [Gaithersburg, MD]: U.S. Dept. of Commerce, National Bureau of Standards, 1987.

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M, Fanconi B., United States. Army Research Office, and United States. National Bureau of Standards, eds. In-situ characterization of the interface of glass reinforced composites. [Gaithersburg, MD]: U.S. Dept. of Commerce, National Bureau of Standards, 1987.

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Romanowski, Stanisław Józef. Analiza wpływu wybranych czynników na właściwości fizyko-mechaniczne niektórych kompozytów polimerowych. Gliwice: Dział Wydawnictw Politechniki Śląskiej, 1987.

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F, Babington Mary, Mapes Jennifer L, Socha Sean T, Senturia Dagfinn, and Freedonia Group, eds. Reinforced plastics. Cleveland: Freedonia Group, 1999.

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T͡Sirkin, M. Z. Stekloplastiki v ėlektromashinostroenii. Leningrad: Ėnergoatomizdat, Leningradskoe otd-nie, 1986.

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Book chapters on the topic "Glass-reinforced plastics"

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Gooch, Jan W. "Glass-Reinforced Plastics." In Encyclopedic Dictionary of Polymers, 341. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-6247-8_5516.

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Morton-Jones, David H., and John W. Ellis. "PST 4: Glass-Reinforced Plastics (GRP)." In Polymer Products, 159–72. Dordrecht: Springer Netherlands, 1986. http://dx.doi.org/10.1007/978-94-009-4101-4_15.

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Liu, Qixian, Zhongmin Xue, Zaiyang Liu, Hongmei Gao, Rongqi Zhang, Weizhong Li, Zhihua Du, and Dexu Yang. "Industrial Polymer Matrix Composites and Fiber-Glass-Reinforced Plastics." In Composite Materials Engineering, Volume 2, 165–304. Singapore: Springer Singapore, 2017. http://dx.doi.org/10.1007/978-981-10-5690-1_2.

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Obikawa, T., T. Shirakashi, and E. Usui. "Finite Element Modelling of Machining of Glass Fiber Reinforced Plastics." In Proceedings of the Thirty-First International Matador Conference, 223–28. London: Macmillan Education UK, 1995. http://dx.doi.org/10.1007/978-1-349-13796-1_35.

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Okawara, Atsuo, Shigeaki Yonemori, Akira Kitsunezuka, and Hiromichi Nishimura. "Direct Observation of Interfaces between Glass Fibers and Polymers in Glass Fiber Reinforced Plastics." In Controlled Interphases in Composite Materials, 61–65. Dordrecht: Springer Netherlands, 1990. http://dx.doi.org/10.1007/978-94-011-7816-7_6.

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Sillwood, J., and J. Aveston. "Semi-Empirical Modelling of Stress Rupture Data on Glass Reinforced Plastics." In Developments in the Science and Technology of Composite Materials, 713–20. Dordrecht: Springer Netherlands, 1989. http://dx.doi.org/10.1007/978-94-009-1123-9_97.

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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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Rath, Jan-Erik, Robert Graupner, and Thorsten Schüppstuhl. "Die-Less Forming of Fiber-Reinforced Plastic Composites." In Lecture Notes in Mechanical Engineering, 3–14. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-18326-3_1.

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AbstractFiber-reinforced plastics (FRP) are increasingly popular in light weight applications such as aircraft manufacturing. However, most production processes of thin-walled FRP parts to date involve the use of expensive forming tools. This especially hinders cost-effective production of small series as well as individual parts and prototypes. In this paper, we develop new possible alternatives of highly automated and die-less production processes based on a short review of current approaches on flexible thin-walled FRP production. All proposed processes involve robot guided standard tools, similar to incremental sheet metal forming, for local forming of the base materials. These include woven glass fiber fabrics which are locally impregnated with thermoset resin and cured using UV-light, woven commingled yarns made out of glass fibers and thermoplastic fibers which are locally heated and pressed, as well as pre-consolidated thermoplastic organo sheets which require selective heating for forming. General applicability of the processes is investigated and validated in practical experiments.
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Wang, Qiang, Thomas Schumacher, and Ali Hafiz. "Damage Detection in Glass Fiber-Reinforced Plastics Using Ultrasonic Full-Waveform Comparison." In Springer Proceedings in Physics, 155–63. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-12111-2_14.

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Vinayagamoorthy, R., Ankur Sharma, Vignesh Iyer, and G. Navneeth. "Investigation of Surface Damages in Hole Making on Luffa/Jute/Glass Reinforced Plastics." In Lecture Notes in Mechanical Engineering, 521–32. Singapore: Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-13-1724-8_48.

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Conference papers on the topic "Glass-reinforced plastics"

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Suresha, K. V., and A. Amith. "Evaluation of Mechanical Properties of Glass Fibre Reinforced Plastics." In Third International Conference on Current Trends in Engineering Science and Technology ICCTEST-2017. Grenze Scientific Society, 2017. http://dx.doi.org/10.21647/icctest/2017/48973.

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Kumar, Praveen, Vivek KV Shenoy, Ashish Kumar Sahu, Srivatsa Sriperumbudur, Anton Kumanan, and K. V. Balaji. "Design of Light Weight Footstep Using Continuous Glass Fiber Reinforced Plastics." In International Conference on Advances in Design, Materials, Manufacturing and Surface Engineering for Mobility. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2019. http://dx.doi.org/10.4271/2019-28-0172.

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Mallard, Hubert, Charlotte Landry, and Yves Birembaut. "Mechanical Analysis of Glass Reinforced Plastics Bolt Flanged Connection With Elastomeric Seals." In ASME 2002 Pressure Vessels and Piping Conference. ASMEDC, 2002. http://dx.doi.org/10.1115/pvp2002-1090.

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The pressure vessel industry can now propose piping networks made of Glass Reinforced Plastics. This technology has advantages, lesser weight, resistance to corrosion… The most important drawback problem is the lack of industrial references, standards, sizing of these structures needs an approach different from that used for more conventional steel structures and has to be put in a specific part of a code linked to standard steel codes re´f. 1. The sizing can use conventional numerical tools like the finite element analysis but needs a good knowledge of the materials as well as an adapted calculation Code. In Europe, projects try to give theorica, tests data, design consideration, informations to be able to build standards, for example “Design of GRP Flanges and Tests to Verify the Design and to Determine Long-Term Properties of GRP Pipes”. This paper shows examples of such mechanical analysis done on GRP flanges.
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Nishida, Ryuiti, Ying Yu, Yuqiu Yang, and Hiroyuki Hamada. "Notched Strength and Fractures Behavior of Chopped Glass Mat Reinforced Unsaturated Plastics." In ASME 2011 International Mechanical Engineering Congress and Exposition. ASMEDC, 2011. http://dx.doi.org/10.1115/imece2011-62820.

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Glass chopped fiber mats have been used as traditional reinforcements for fiber reinforced plastics. However, the literature is found limited even it has a long history. However short fiber mats is considered to be suitable reinforcement configuration for natural fiber or filled composites because the natural fiber is inherently short fiber. Various fiber textile technologies are available to be used to fabricate the fiber mats structure, for example needle punching process. Therefore the relation between different textile manufacturing techniques (the fiber mat structure) and the composites properties is considered necessary to be should be fully understood. Chopped glass mat reinforced composite was used as experimental materials and the fracture behavior of the specimens with drill-hole was investigated. Acoustic emission (AE) measurement was carried out by using Dual AE measurement system with both 140 KHz and 1 MHz sensors to understand the fiber and matrix fracture behaviors simultaneously. Also the characteristic distance was calculated experimentally and was compared theoretically with the values obtained from finite element stress analysis. It is found that the notched strength decrease by drilling a hole in the center. While regarding to the effect of w/d ratio i.e. the ratio of width to the diameter of the drill-hole, w/d of 3 specimens seems to have relative higher notched strength as compared to 2 or 5 w/d specimens. During the tensile test AE signals which detected by both 140 kHz and 1MHz are found to be generated almost at the same time. Additionally, the white area before the final broken seems to relative to the characteristic distance calculated by finite element stress analysis.
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Stokke, R. "Use Of Glass Fiber-Reinforced Plastics (Grp) In Seawater Pipe System Offshore." In Offshore Technology Conference. Offshore Technology Conference, 1988. http://dx.doi.org/10.4043/5744-ms.

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Cavusoglu, Ilknur, Mustafa Cakir, Numan M. Durakbasa, and Eva Maria Walcher. "The Optimization of Drilling Parameters of Glass Fiber Reinforced Plastics Via Taguchi Method." In MultiScience - XXX. microCAD International Multidisciplinary Scientific Conference. University of Miskolc, 2016. http://dx.doi.org/10.26649/musci.2016.070.

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Smajic, Semir, A. Eckart, M. Horrobin, B. Lindhorst, J. U. Pott, C. Rauch, S. Rost, et al. "Glass fiber reinforced plastics within the fringe and flexure tracker of LINC-NIRVANA." In SPIE Astronomical Telescopes + Instrumentation, edited by Françoise Delplancke, Jayadev K. Rajagopal, and Fabien Malbet. SPIE, 2012. http://dx.doi.org/10.1117/12.926171.

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Meier, Dominik, Christian Zech, Benjamin Baumann, Mathias Klenner, Axel Hulsmann, Torsten Link, Jutta Kuhn, and Michael Schlechtweg. "Analysis of glass fiber reinforced plastics using a focusing W-band radar system." In 2017 IEEE International Conference on Microwaves, Antennas, Communications and Electronic Systems (COMCAS). IEEE, 2017. http://dx.doi.org/10.1109/comcas.2017.8244758.

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Nayeb-Hashemi, H., A. Harrison, P. Kisnomo, and N. Saniei. "Effect of Localized Heat Damage on the Natural Frequency of Glass-Fiber Reinforced Plastics." In ASME 1999 Design Engineering Technical Conferences. American Society of Mechanical Engineers, 1999. http://dx.doi.org/10.1115/detc99/vib-8148.

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Abstract The effect of localized heat damage on the first natural frequency of fiber glass reinforced plastic is studied. The study is performed to determine the possibility of using natural frequency to evaluate the damage state of a composite. The natural frequency and its variation with the damage (size, location, and severity) are obtained using finite element analyses, continuum and lumped models. The results show that the natural frequency of composite specimen decreases with the growth of the damage size and increase of damage severity. However, its variation is much more sensitive to the damage size and location than to its severity. The natural frequency apparently does not change significantly with the number of damage spots as long as the total damage area is constant. A correlation between the natural frequency and the residual tensile strength of the composite is obtained, indicating its potential in predicting the residual strength of damaged composites.
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Nezadal, Martin, Jan Schur, and Lorenz-Peter Schmidt. "Non-destructive testing of glass fibre reinforced plastics with a full polarimetric imaging system." In 2014 39th International Conference on Infrared, Millimeter, and Terahertz waves (IRMMW-THz). IEEE, 2014. http://dx.doi.org/10.1109/irmmw-thz.2014.6956128.

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Reports on the topic "Glass-reinforced plastics"

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Whisler, Daniel, Rafael Gomez Consarnau, and Ryan Coy. Novel Eco-Friendly, Recycled Composites for Improved CA Road Surfaces. Mineta Transportation Institute, July 2021. http://dx.doi.org/10.31979/mti.2021.2046.

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Abstract:
The continued use of structural plastics in consumer products, industry, and transportation represents a potential source for durable, long lasting, and recyclable roadways. Costs to dispose of reinforced plastics can be similar to procuring new asphalt with mechanical performance exceeding that of the traditional road surface. This project examines improved material development times by leveraging advanced computational material models based on validated experimental data. By testing traditional asphalt and select carbon and glass reinforced composites, both new and recycled, it is possible to develop a finite element simulation that can predict the material characteristics under a number of loads virtually, and with less lead time compared to experimental testing. From the tested specimens, composites show minimal strength degradation when recycled and used within the asphalt design envelopes considered, with an average of 49% less wear, two orders of magnitude higher compressive strength, and three orders for tensile strength. Predictive computational analysis using the validated material models developed for this investigation confirms the long-term durability.
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Zhou, Zhulin. The High-Frequency Dielectric Properties of Glass Fibre Reinforced Plastic and Honeycomb Layers. Fort Belvoir, VA: Defense Technical Information Center, June 1989. http://dx.doi.org/10.21236/ada210581.

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Ratcliffe, Colin P. Experimental Modal Analysis of a Sandwich Construction, Glass Reinforced Plastic Composite Deck Panel. Fort Belvoir, VA: Defense Technical Information Center, July 1996. http://dx.doi.org/10.21236/ada359147.

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