Academic literature on the topic 'Glass reinforced fibre'

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Journal articles on the topic "Glass reinforced fibre"

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Fankhänel, Beate, Eberhard Müller, Kathrin Weise, and Günter Marx. "Translucent Fibre Reinforced Glass." Key Engineering Materials 206-213 (December 2001): 1109–12. http://dx.doi.org/10.4028/www.scientific.net/kem.206-213.1109.

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Swamy, R. N. "Glass fibre reinforced cement." Cement and Concrete Composites 13, no. 2 (January 1991): 151. http://dx.doi.org/10.1016/0958-9465(91)90011-6.

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Hannant, D. J. "Glass fibre reinforced cement." Composites 23, no. 4 (July 1992): 279. http://dx.doi.org/10.1016/0010-4361(92)90189-2.

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Ghazzawi, Yousof M., Andres F. Osorio, and Michael T. Heitzmann. "Fire performance of continuous glass fibre reinforced polycarbonate composites: The effect of fibre architecture on the fire properties of polycarbonate composites." Journal of Composite Materials 53, no. 12 (October 23, 2018): 1705–15. http://dx.doi.org/10.1177/0021998318808052.

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The fire performance of polycarbonate resin and the role of glass fibre reinforcement in altering the fire performance was investigated. Three different fibre weaves with comparable surface density, plain, twill, and unidirectional glass fabrics, were used as reinforcements. E-glass fabrics were solution-impregnated with polycarbonate/dichloromethyl, laid up, and compression-moulded to consolidate the glass fibre reinforced polycarbonate composite. Cone calorimetry tests with an incident radiant flux of 35 kW/m2 were used to investigate the fire properties of polycarbonate resin and its composites. Results showed that glass fibre reinforcement improves polycarbonate performance by delaying its ignition, decreasing its heat release rate, and lowering the mass loss rate. The three fibre weave types exhibited similar time to ignition. However, unidirectional fibre had a 35% lower peak heat release rate followed when compared to plain and twill weave fibres.
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Xiao, Jie, Han Shi, Lei Tao, Liangliang Qi, Wei Min, Hui Zhang, Muhuo Yu, and Zeyu Sun. "Effect of Fibres on the Failure Mechanism of Composite Tubes under Low-Velocity Impact." Materials 13, no. 18 (September 17, 2020): 4143. http://dx.doi.org/10.3390/ma13184143.

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Filament-wound composite tubular structures are frequently used in transmission systems, pressure vessels, and sports equipment. In this study, the failure mechanism of composite tubes reinforced with different fibres under low-velocity impact (LVI) and the radial residual compression performance of the impacted composite tubes were investigated. Four fibres, including carbon fiber-T800, carbon fiber-T700, basalt fibre, and glass fibre, were used to fabricate the composite tubes by the winding process. The internal matrix/fibre interface of the composite tubes before the LVI and their failure mechanism after the LVI were investigated by scanning electric microscopy and X-ray micro-computed tomography, respectively. The results showed that the composite tubes mainly fractured through the delamination and fibre breakage damage under the impact of 15 J energy. Delamination and localized fibre breakage occur in the glass fibre-reinforced composite (GFRP) and basalt fibre-reinforced composite (BFRP) tubes when subjected to LVI. While fibre breakage damage occurs globally in the carbon fibre-reinforced composite (CFRP) tubes. The GFRP tube showed the best impact resistance among all the tubes investigated. The basalt fibre-reinforced composite (BFRP) tube exhibited the lowest structural impact resistance. The impact resistance of the CFRP-T700 and CFRP-T800 tube differed slightly. The radial residual compression strength (R-RCS) of the BFRP tube is not sensitive to the impact, while that of the GFRP tube is shown to be highly sensitive to the impact.
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Erki, M. A. "Bolted glass-fibre-reinforced plastic joints." Canadian Journal of Civil Engineering 22, no. 4 (August 1, 1995): 736–44. http://dx.doi.org/10.1139/l95-084.

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Test results are presented for single fastener glass-fibre-reinforced plastic (GFRP) members connected with GFRP threaded rods, steel threaded rods, and steel bolts. Twenty-eight joints were tested in tension and thirty-five were tested in compression. For some of the tests, a GFRP pipe was used as a protective sleeve for the threads of the steel and GFRP threaded rods. The effect of fastener strength and stiffness on the load carrying capacity of the joints is reported. The major findings for both the tension and compression tests were that joints constructed with a GFRP threaded rod had approximately half the strength of joints constructed with a steel threaded rod. Also, joints constructed with a GFRP threaded rod and GFRP pipe sleeve were at least a third stronger than joints constructed with a GFRP threaded rod alone. The GFRP members used consisted of a pultruded glass fibre sheet, which was composed of symmetrically stacked, alternating layers of identically orientated unidirectional E-glass fibres and randomly orientated E-glass continuous strand mat. The maximum load carrying capacity decreased with increasing angle of loading with respect to the unidirectional fibres, but this was more pronounced for the tension tests than for the compression tests. For the tests performed, it was sufficient to finger tighten end nuts; indeed, tightening end nuts by a half turn-of-the-nut slightly decreased the strength of the joints. Key words: glass-fibre-reinforced plastic, connections, fibreglass bolts, experimental.
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Kling, Veronika, Sohel Rana, and Raul Fangueiro. "Fibre Reinforced Thermoplastic Composite Rods." Materials Science Forum 730-732 (November 2012): 331–36. http://dx.doi.org/10.4028/www.scientific.net/msf.730-732.331.

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The present investigation is concerned with the development of fibre reinforced thermoplastic composite rods using braiding process. An innovative technique has been developed to produce composite rods with outer braided layer of polyester fibres and axially reinforced with high performance glass fibres. Polypropylene filaments which were introduced in to the core along with the glass fibres during the braiding process formed the thermoplastic matrix upon melting. A special mould has been designed for uniform application of heat and pressure during the consolidation of the composite rods as well as for the alignment of core fibres. The cross-section of composite rods was characterized with help of optical microscopy in order to see the distribution of core fibres and matrix. The effect of amount of glass fibres on the mechanical properties (tensile and flexural) of composite rods has been investigated and discussed.
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Fernando, Gerard F., Balkarransingh Degamber, Liwei Wang, Crispin Doyle, Guillaume Kister, and Brian Ralph. "Self-Sensing Fibre Reinforced Composites." Advanced Composites Letters 13, no. 2 (March 2004): 096369350401300. http://dx.doi.org/10.1177/096369350401300203.

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This paper reports for the first time a demonstration of chemical process monitoring of conventional glass fibre reinforced composites where the reinforcing fibres themselves act as the optical fibre sensors. These fibres were used to study in real-time, the rate of chemical reaction between an epoxy resin and an amine hardener. These reinforcing fibre light guides were also subsequently used to study, in situ, the fracture sequence of the reinforcing fibres. This was achieved by imaging one end of the fibre bundle whilst illuminating the opposite end.
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Mathew, Merin, Kamalakanth Shenoy, and Ravishankar K. S. "Evaluation of Porosity and Water Sorption in Conventionally Cured Modified Polymethyl Methacrylate Resin - An In Vitro Study." Journal of Evolution of Medical and Dental Sciences 10, no. 13 (March 29, 2021): 930–34. http://dx.doi.org/10.14260/jemds/2021/201.

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BACKGROUND Dimensional change and porosity in the polymethylmethacrylate based prosthesis affects its clinical performance. Hence, the present study aimed to evaluate the porosity and water sorption present in the modified polymethyl methacrylate polymer composite. METHODS Control group without fibre reinforcement and test groups with fibre reinforcement were prepared for the study. Three different fibres such as boron free-E glass fibre, untreated and plasma-treated polypropylene fibres in varying weight percentage and aspect ratio were considered for reinforcement. The porosity of the fractured surface was observed through a scanning electron microscope (scanning electron microscope) and sorption measured based on international standards organization (ISO) 1567:1999. RESULTS Control group exhibited porous structures, whereas all fibre-reinforced groups did not exhibit porous structure at the fracture surface. There was a significant difference in the sorption rate between control and test group (p < 0.001). Among fibrereinforced test groups, boron free E glass fibre reinforced polymethylmethacrylate exhibited maximum sorption followed by polypropylene fibre reinforced polymer test groups (p < 0.001). However, all samples showed sorption rate within the ISO specification. CONCLUSIONS Fiber reinforcement is an effective method to reduce porosity and water sorption in polymethylmethacrylate based polymer composite regardless of the fibre type. KEY WORDS Polymer Composite, Porosity, Water Sorption, Fiber Reinforcement, Polymethylmethacrylate
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Friedrich, K., N. Glienke, J. Flöck, F. Haupert, and S. A. Paipetis. "Reinforcement of Damaged Concrete Columns by Filament Winding of Thermoplastic Composites." Polymers and Polymer Composites 10, no. 4 (May 2002): 273–80. http://dx.doi.org/10.1177/096739110201000402.

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An experimental study was conducted to compare various composite systems with different fibres (E-glass and carbon) in two different thermoplastic matrices (PPS, PEEK) for their strengthening efficiency for wrapped concrete columns. The results indicated that the use of E-glass fibres within a polyphenylenesulfide matrix to externally reinforce concrete columns is quite effective. The carbon fibre PEEK based system does not show much improvement in the load carrying capacity. The thickness of wrap/radius of concrete column-ratio also has an influence on the strengthening efficiency. For example ten layers of glass fibre/PPS-tapes resulted in a five fold improvement of the compressive strength of the non-reinforced concrete. Predamaged samples with the same amount of reinforcement were still 4.5 times stronger than the undamaged, non-reinforced concrete.
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Dissertations / Theses on the topic "Glass reinforced fibre"

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Esong, Ivo Epie. "Compression buckling of glass fibre reinforced cylinders." Thesis, Imperial College London, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.322666.

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Borhan, Tumadhir Merawi. "Thermal and structural behaviour of basalt fibre reinforced glass concrete." Thesis, University of Manchester, 2011. https://www.research.manchester.ac.uk/portal/en/theses/thermal-and-structural-behaviour-of-basalt-fibre-reinforced-glass-concrete(2fcc3a9a-2012-4261-966b-4ff37420e032).html.

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This study aims to produce a type of concrete with both good thermal and mechanical properties by using environmentally friendly and low cost materials. In addition, the resistance of this concrete to fire conditions was investigated. The experimental work comprises two parts. In the first part, recycled glass was used as a partial replacement for natural sand (at proportions 20%, 40% and 60%) together with basalt fibre having different volume fractions (0.1%, 0.3%, and 0.5%). The results obtained from the experimental work showed that the optimum content is 20% glass and at 28 days, there was a 4.23% and 15% enhancement in the compressive strength and the splitting tensile strength respectively. Above 20% glass there was a slight reduction (6.6% and 22%) in the compressive strength and the splitting tensile strength when 60% glass was used. The results also showed that when glass sand and basalt fibre content increase, there is a decrease in the thermal conductivity range from 4.35% to 50% at temperature levels between 60oC to 600oC. The structural behaviour of this type of concrete was investigated in the second part of this study by carrying out small-scale slab tests at ambient and elevated temperatures. The results show that there is an increase in the load carrying capacity above the theoretical yield line load, due to membrane action, for all percentages of glass and volume fractions of basalt fibre ranging from 1.35 to 1.68 for the slab tested at ambient temperature and from 3.13 to 3.26 for the slabs tested at elevated temperature. Also the slabs with higher glass sand and basalt fibre content had a higher load enhancement and failed at a higher displacement compared to the control mix.A comparison between the simplified method and the finite element software package ABAQUS showed that the ABAQUS model gives reasonable predictions for the load-vertical displacement and the temperature-displacement relationships at both ambient and elevated temperature conditions, while the simplified method gives conservative predictions for the maximum allowable vertical displacement for the slab at elevated temperature. A parametric study showed that a 10 mm cover depth is the optimum depth as well as the reinforcement temperature predicted reduced with increasing load ratio (applied load/yield line load).
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Bushby, Andrew John. "Structure and properties of glass-fibre reinforced cements." Thesis, Queen Mary, University of London, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.404239.

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Cheung, Wai-lam, and 張惠林. "The interfacial properties of glass fibre reinforced polypropylene." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1990. http://hub.hku.hk/bib/B31231792.

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Hejda, Marek. "Deformation micromechanics of single glass fibre reinforced composites." Thesis, University of Manchester, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.491333.

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The current work presents for the first time the application of luminescence spectroscopy in following the micromechanical deformation of glass fibre reinforced composites; this has been achieved using luminescence-active glass fibres prepared from glass doped with small amounts of Sm3+. Glass prepared in this way exhibited several relatively sharp and intense luminescence peaks observed in the range 550 nm to 700 nm. The luminescence band located at 648 nm was used for the calibration of the local strain state of the fibre due to its distinctive linear shift towards lower wavelengths with increasing strain and the factors affecting this shift were studied in detail. The fragmentation of both untreated and silane-treated Sm3+ doped glass fibre has been followed in detail and the behaviour analysed using a classical shear-lag analysis. Silane treatment slightly enhanced adhesion between glass fibre and epoxy resin, which was confirmed by a supplementary fragmentation study, which employed carbon nanotubes dispersed in the silane agent as an additional strain sensor. This work has demonstrated luminescence spectroscopy as a new significant development in the ability to follow local mechanics of the interface between glass fibres and transparent resins.
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Ah-Teck, Tommy C. T. "Formability of long glass-fibre reinforced polypropylene sheet." Thesis, Loughborough University, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.329863.

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Cheung, Wai-lam. "The interfacial properties of glass fibre reinforced polypropylene /." [Hong Kong] : University of Hong Kong, 1990. http://sunzi.lib.hku.hk/hkuto/record.jsp?B12718634.

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Abidin, Mohd Hanafiah Bin. "Fatigue behaviour of glass fibre reinforced polyurethane acrylate." Thesis, Swansea University, 2002. https://cronfa.swan.ac.uk/Record/cronfa42552.

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A comprehensive study of the fatigue behaviour of a polyurethane acrylate resin and glass fibre reinforced composites has been undertaken. In the first part, three types of resins were tested: polyurethane vinyl ester, polyester and polyurethane acrylate, which was formulated to have superior properties. Three different types of glass fibre cloth were used for reinforcement, a woven roving and two novel stitch bonded Ulticloths. The [0/90]2s and [+/-45]2s lay-ups were prepared in order to investigate the effects of matrix, cloths and lay-up on fatigue strength and life time. Polyurethane acrylate composites proved to be superior to the polyester resin. The study on damage mechanisms also showed that the first damage was matrix cracking followed by interfacial failure, debonding, delamination and fibre facture which accumulate from the initial cycles until failure. The second part of this study concentrated only on polyurethane acrylate resin reinforced with Ulticloth [90/0]2s and Biaxial Ulticloth [+/-45]4 lay-ups. The data were produced to compare the effect of environment such as air, distilled water and seawater on the composite with tension-tension and tension-compression loading. With the [90/0]2s lay-up the fatigue strength and lifetime were reduced by the presence of distilled water and seawater. Once again, during fatigue testing with R=0.1, microscopic observations showed that these composites suffered severe damage. Samples tested in seawater had more damage compared with samples tested in air and distilled water. The last part of this research was to investigate the modulus degradation during the fatigue life. This investigation revealed that the modulus degradation on all laminates was dependent on stress ratio and lay-up. The modulus of [90/0]2s lay-ups was degraded during fatigue tests and this modulus degradation curve could be divided into three stages. The most clear damage occurring in [+/-45]4 was delamination which happened at both types of stress ratio, R=0.1 and R=-l. Analysis of some microscopic fractography has been carried out to support the observations.
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Kim, Hyung Sun. "Development of a fibre-reinforced glass-ceramic composite." Thesis, Imperial College London, 1989. http://hdl.handle.net/10044/1/47512.

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Berg, Jolyon. "The role of fibre coatings on interphase formation in glass fibre epoxy resin composites." Thesis, University of Sheffield, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.245546.

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Books on the topic "Glass reinforced fibre"

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Majumbar, A. J. Glass fibre reinforced cement. Oxford: BSP Professional Books, 1991.

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Majumdar, A. J. Glass fibre reinforced cement. Oxford: Published on behalf of the Building Research Establishment [by] BSP Professional, 1990.

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Spratt, G. The mechanical properties of glass fibre reinforced nylon. s.l.: The Author, 1988.

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Taylor, M. Interfacial phenomena in glass fibre reinforced polypropylene composites. Manchester: UMIST, 1994.

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Yilmaz, F. B. The injection moulding of long glass-fibre reinforced thermoplastics. Manchester: UMIST, 1994.

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Mourad, Mouben. Fibre/matrix interaction in woven E-glass reinforced epoxy composites. Poole: Bournemouth University, 1995.

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Jaffry, Syed Ali Debaj. Concrete filled glass fibre reinforced polymer (GFRP) shells under concentric compression. Ottawa: National Library of Canada, 2001.

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Xiong, June Yu. Visualization of the interphase failure in glass fibre reinforced epoxy composite. Ottawa: National Library of Canada, 1994.

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Kensche, Christoph W. High cycle fatigue of glass fibre reinforced epoxy materials for wind turbines. Köln: Deutsche Forschungsanstalt für Luft- Und Raumfahrt, 1992.

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Allen, Richard Frazer. Fracture and fatigue of a continuous fibre reinforced glass ceramic matrix composite. Birmingham: University of Birmingham, 1994.

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Book chapters on the topic "Glass reinforced fibre"

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Prewo, Karl M. "Fibre reinforced glasses and glass-ceramics." In Glasses and Glass-Ceramics, 336–68. Dordrecht: Springer Netherlands, 1989. http://dx.doi.org/10.1007/978-94-009-0817-8_10.

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Gloria-Esparza, C., J. Zurek, Qiang Yuan, Stuart Bateman, and Kenong Xia. "Electrostatic Dissipative Glass Fibre Reinforced Composites." In Fracture of Materials: Moving Forwards, 123–26. Stafa: Trans Tech Publications Ltd., 2006. http://dx.doi.org/10.4028/0-87849-994-6.123.

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Guzlena, S., and G. Sakale. "Alkali Resistant (AR) Glass Fibre Influence on Glass Fibre Reinforced Concrete (GRC) Flexural Properties." In RILEM Bookseries, 262–69. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-58482-5_24.

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Thompson, S. J., R. T. Hartshorn, and J. Summerscales. "Strain Gauges on Glass Fibre Reinforced Polyester Laminates." In Composite Structures 3, 748–59. Dordrecht: Springer Netherlands, 1985. http://dx.doi.org/10.1007/978-94-009-4952-2_53.

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Gouri Krishna, S. R., Philip Cherian, Devdas Menon, and A. Meher Prasad. "Glass Fibre Reinforced Gypsum Panels for Sustainable Construction." In Lecture Notes in Civil Engineering, 855–67. Singapore: Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-13-0362-3_69.

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Nithyapriya, K., K. Subramanian, X. John Britto, and M. P. Muthuraj. "Shear Behaviour of Glass Fibre-Reinforced Geopolymer Concrete." In Lecture Notes in Civil Engineering, 999–1010. Singapore: Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-13-0362-3_79.

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Ragav, S. "Review Study on Glass Fibre Reinforced Gypsum (GFRG) Panels." In Lecture Notes in Civil Engineering, 13–23. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-5101-7_2.

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Lowe, A. C., D. R. Moore, and I. M. Robinson. "Data for Designing with Continuous Glass Fibre Reinforced Polypropylene." In Developments in the Science and Technology of Composite Materials, 1073–78. Dordrecht: Springer Netherlands, 1990. http://dx.doi.org/10.1007/978-94-009-0787-4_155.

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Krishna, J. Gokul, R. Roshan, S. N. Vinothni, and S. V. Sivapriya. "Glass Fibre Reinforced Gypsum (GFRG) as an Emerging Technology." In Lecture Notes in Civil Engineering, 309–24. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-5101-7_30.

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Puska, Mervi, Ari-Pekka Forsback, Antti Yli-Urpo, Jukka Seppälä, and Pekka K. Vallittu. "Biomineralization of Glass Fibre Reinforced Porous Acrylic Bone Cement." In Key Engineering Materials, 815–18. Stafa: Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-422-7.815.

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Conference papers on the topic "Glass reinforced fibre"

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Kaklauskas, Gintaris, Edgaras Timinskas, P. L. Ng, and Aleksandr Sokolov. "Deformation and Cracking Behaviour of Concrete Beams Reinforced with Glass Fibre-Reinforced Polymer Bars." In IABSE Symposium, Guimarães 2019: Towards a Resilient Built Environment Risk and Asset Management. Zurich, Switzerland: International Association for Bridge and Structural Engineering (IABSE), 2019. http://dx.doi.org/10.2749/guimaraes.2019.0500.

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<p>This paper reports the experimental and numerical studies of concrete beams reinforced with glass fibre-reinforced polymer (GFRP) reinforcing bars with and without the addition of steel fibres. GFRP- reinforced concrete beam specimens of equivalent geometry were produced and tested under symmetrical two-point loading configuration. Deformation and cracking behaviour were monitored during the test, and the curvature was determined from the measured deformation response over the pure bending zone. In view of the lower stiffness of GFRP bars compared to conventional steel bars, the effectiveness of adding steel fibres to increase the flexural stiffness is investigated. Experimental results show that the steel fibres could reduce the average crack width and deflections of the beam, and could lead to a more ductile failure mode. The beam specimen was numerically analysed by employing the nonlinear finite element programme ATENA, and the analytical results are in good agreement with the experimental results.</p>
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Vladimirov, Victor, and Ioan Bica. "MECHANICAL RECYCLING: SOLUTIONS FOR GLASS FIBRE REINFORCED COMPOSITES." In International Symposium "The Environment and the Industry". National Research and Development Institute for Industrial Ecology, 2017. http://dx.doi.org/10.21698/simi.2017.0020.

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Chang, W. C., E. Harkin-Jones, M. Kearns, and M. McCourt. "Multilayered Glass Fibre-reinforced Composites In Rotational Moulding." In THE 14TH INTERNATIONAL ESAFORM CONFERENCE ON MATERIAL FORMING: ESAFORM 2011. AIP, 2011. http://dx.doi.org/10.1063/1.3589598.

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MIELOSZYK, MAGDALENA, KATARZYNA MAJEWSKA, and WIESLAW OSTACHOWICZ. "Glass Fibre Reinforced Composite Samples Inspected using THz Spectroscopy." In Structural Health Monitoring 2017. Lancaster, PA: DEStech Publications, Inc., 2017. http://dx.doi.org/10.12783/shm2017/13950.

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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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Brown, Joel. "Glass fibre reinforced polymer bars in concrete compression members." In International Conference on Performance-based and Life-cycle Structural Engineering. School of Civil Engineering, The University of Queensland, 2015. http://dx.doi.org/10.14264/uql.2016.767.

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Azmi, Azwan I., Richard J. T. Lin, Debes Bhattacharyya, Francisco Chinesta, Yvan Chastel, and Mohamed El Mansori. "Parametric Study of End Milling Glass Fibre Reinforced Composites." In INTERNATIONAL CONFERENCE ON ADVANCES IN MATERIALS AND PROCESSING TECHNOLOGIES (AMPT2010). AIP, 2011. http://dx.doi.org/10.1063/1.3552324.

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Bellot, Cristian Marro, Massimo Olivero, Marco Sangermano, and Milena Salvo. "Optical Fibres Sensors for detection of degradation of Glass Fibre Reinforced Polymers." In Optical Fiber Sensors. Washington, D.C.: OSA, 2018. http://dx.doi.org/10.1364/ofs.2018.wf12.

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Hartwich, Mark R., Norbert Höhn, Helga Mayr, Konrad Sandau, and Ralph Stengler. "FASEP ultra-automated analysis of fibre length distribution in glass-fibre-reinforced products." In SPIE Europe Optical Metrology, edited by Peter H. Lehmann. SPIE, 2009. http://dx.doi.org/10.1117/12.827503.

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Moguedet, M., J. Balcaen, Y. Be´reaux, and J. Y. Charmeau. "Modelling Processing of Unfilled and Long-Glass Fibre Reinforced Thermoplastics in a Screw-Barrel Unit." In ASME 2005 International Mechanical Engineering Congress and Exposition. ASMEDC, 2005. http://dx.doi.org/10.1115/imece2005-82740.

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In injection moulding, long glass fibre reinforced thermoplastics (LGFT) are an attractive way to produce large parts at low cost. The strength of the part depends chiefly on the average fibre length, fibres which are subjected to considerable attrition during processing in conventional three stage screws. First of all, in this study we have coupled a melting analysis in a conventional screw to a model of fibre breakage whereby a fibre anchored at one end in the solid bed is submitted, at its other end, to the intense shear stress of the molten polymer flowing in the film close to the barrel. As the melting of the solid bed progresses, more fibres are unlayered and submitted to bending which intensity is depending on both the fibre length and orientation. When the bending is too high, the fibre breaks. Bimodal fibre length distribution are obtained and compared to existing data. The sensibility of the model to main processing parameters such as screw rotation, initial fibre length, viscosity, barrel temperature and screw geometry are also investigated. Next, we present a new analytical solution for flow of a viscous fluid in a single screw channel that takes into account the torsion and curvature of the channel. Contrary to common knowledge in polymer processing based on the Parallel Plate Model, we found that, in the case of cross-sections with large aspect ratio, torsion effects can be significant. The implication of the model on velocity field, residence time and mixing efficiency is investigated and compared to the predictions of the classical Parallel Plate Model, to finite elements calculations, and to 3D experimental measurements. Indeed, an innovating device has been developed in our laboratory to visualize the flow of a viscous fluid in the channel of a screw. It consists of a transparent barrel and of a rotating screw, pumping a transparent viscous fluid at room temperature. A particle plunged in the flow is constantly monitored by four video-cameras placed around the barrel and recording its position in a frame. The 3D path lines are then computed.
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Reports on the topic "Glass reinforced fibre"

1

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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2

Caceres, Arsenio, Robert M. Jamond, Theresa A. Hoffard, and L. J. Malvar. Salt-Fog Accelerated Testing of Glass Fiber Reinforced Polymer Composites. Fort Belvoir, VA: Defense Technical Information Center, December 2002. http://dx.doi.org/10.21236/ada409960.

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3

Kowallk, R. W., S. W. Wang, and R. R. Sands. Hot Corrosion of Nicalon Fiber Reinforced Glass-Ceramic Matrix Composites: Microstructural Effects. Fort Belvoir, VA: Defense Technical Information Center, November 1992. http://dx.doi.org/10.21236/ada325790.

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4

Twomey, Janet M. Sustainable Energy Solutions Task 4.1 Intelligent Manufacturing of Hybrid Carbon-Glass Fiber-Reinforced Composite Wind Turbine Blades. Office of Scientific and Technical Information (OSTI), April 2010. http://dx.doi.org/10.2172/991644.

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5

Winter, R. M. Investigation of the Interphase Region in Polymer Matrix - Glass Fiber Reinforced Composites Using the Interfacial Force Microscope. Office of Scientific and Technical Information (OSTI), June 2004. http://dx.doi.org/10.2172/825904.

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6

Wang, Timothy W., and Frank D. Blum. Interfacial Mobility and Its Effect on Flexural Strength and Fracture Toughness in Glass-Fiber Fabric Reinforced Epoxy Laminates. Fort Belvoir, VA: Defense Technical Information Center, November 1994. http://dx.doi.org/10.21236/ada288344.

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