Bibliografie tematiche / Resine transfer moulding

Letteratura scientifica selezionata sul tema "Resine transfer moulding"

Autore: Grafiati

Pubblicato: 22 giugno 2024

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Articoli di riviste sul tema "Resine transfer moulding":

Robertson, Frank C. "Resin transfer moulding of aerospace resins—a review". British Polymer Journal 20, n. 5 (1988): 417–29. http://dx.doi.org/10.1002/pi.4980200506.

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Johnson, M. S., C. D. Rudd e D. J. Hill. "Microwave assisted resin transfer moulding". Composites Part A: Applied Science and Manufacturing 29, n. 1-2 (gennaio 1998): 71–86. http://dx.doi.org/10.1016/s1359-835x(97)00043-2.

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Szabo, J. S., G. Romhany, T. Czigany e J. Karger-Kocsis. "Interpenetrating Vinylester/Epoxy Resins Reinforced by Flax Fibre Mat". Advanced Composites Letters 12, n. 3 (maggio 2003): 096369350301200. http://dx.doi.org/10.1177/096369350301200304.

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Abstract (sommario):

Vinylester/epoxy (VE/EP) hybrid resins of interpenetrating network (IPN) structure were reinforced by needled flax fibre mat. The flax content of the composites was kept constant (20 wt%) whereas the VE/EP ratio varied (70/30, 50/50, and 30/70). The mechanical properties of the composites, produced by resin transfer moulding, were determined in tensile and flexural loading. The mechanical anisotropy detected was traced to the orientation of the flax fibres during carding. The higher was the VE content of the hybrid IPN resin the better the mechanical performance was.

Bodaghi, Masoud, Pavel Simacek, Suresh G. Advani e Nuno C. Correia. "A model for fibre washout during high injection pressure resin transfer moulding". Journal of Reinforced Plastics and Composites 37, n. 13 (29 marzo 2018): 865–76. http://dx.doi.org/10.1177/0731684418765968.

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Abstract (sommario):

High injection pressure resin transfer moulding is a variant of resin transfer moulding in which the preform is compressed in a tool and resin is injected into the mould under very high pressure. The high injection pressure (>20 bar) introduces possible fibre washout that translates into manufacturing defects or causes inconsistencies in processing and leads to scatter in mechanical properties of composite parts. A model is presented which quantifies and provides insight into the influence of process variables such as clamping force and injection pressure on fibre washout distance (the one-dimensional model assumes a rigid preform). A generalised one-dimensional stress model for fibre washout is presented for regions that are impregnated with the resin and the regions that are dry. The model shows fibre washout to be significant at the beginning of the injection process. The model allows one to further refine the injection strategy by adjusting injection pressure to account for washout in high injection pressure resin transfer moulding.

Johnson, M. S., C. D. Rudd e D. J. Hill. "Cycle Time Reductions in Resin Transfer Moulding Using Microwave Preheating". Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture 209, n. 6 (dicembre 1995): 443–53. http://dx.doi.org/10.1243/pime_proc_1995_209_108_02.

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Resin transfer moulding (RTM) offers a potential manufacturing source of high-volume, fibre-reinforced plastic (FRP) components for the automotive industry. Currently, market development is inhibited by long moulding cycle times which are dominated by the effects of mould quench. Preheating of the thermosetting resin prior to injection would reduce these effects, leading to shorter mould filling and curing times. This paper characterizes the thermal cycle in RTM and outlines the application of microwave technology for resin preheating. Batch preheating of preactivated resin systems is discussed and the development of an in-line microwave resin preheater is described for uncatalysed and catalysed resin systems under steady flow conditions. The integration of an in-line preheating system within a demonstration RTM facility is described and the effects of preheating on the thermal cycle are presented.

Pantelelis, Nikos G. "Optimised cure cycles for resin transfer moulding". Composites Science and Technology 63, n. 2 (febbraio 2003): 249–64. http://dx.doi.org/10.1016/s0266-3538(02)00196-3.

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Kendall, K. N., C. D. Rudd, M. J. Owen e V. Middleton. "Characterization of the resin transfer moulding process". Composites Manufacturing 3, n. 4 (gennaio 1992): 235–49. http://dx.doi.org/10.1016/0956-7143(92)90111-7.

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Ruiz, Edu, Francois Trochu e Raymond Gauvin. "Internal Stresses and Warpage of Thin Composite Parts Manufactured by RTM". Advanced Composites Letters 13, n. 1 (gennaio 2004): 096369350401300. http://dx.doi.org/10.1177/096369350401300105.

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Abstract (sommario):

Resin transfer moulding (RTM) is a widely used manufacturing technique of composite parts. A proper selection of process parameters is the key to yield successful moulding results and obtain a good part. Among other things, when thermoset resins are processed, the shrinkage that occurs due to the polymerisation reaction further complicates the situation. In this paper, a finite difference analysis is proposed to simulate the effect of thermal and rheological changes during thin plates cooling after processing. Classical Laminate Theory is here implemented to compute composite internal stresses resulting from these thermo-rheological conditions. Laminate stresses are then computed and warpage obtained with the proposed numerical algorithm. Samples of thin plates were moulded combining two glass reinforcement materials. During cooling, after processing plates warpage was recorded and results compared to model predictions. This analysis presents the basis of a further numerical optimisation for thick composite parts.

Chai, Boon Xian, Jinze Wang, Thanh Kim Mai Dang, Mostafa Nikzad, Boris Eisenbart e Bronwyn Fox. "Comprehensive Composite Mould Filling Pattern Dataset for Process Modelling and Prediction". Journal of Composites Science 8, n. 4 (18 aprile 2024): 153. http://dx.doi.org/10.3390/jcs8040153.

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Abstract (sommario):

The Resin Transfer Moulding process receives great attention from both academia and industry, owing to its superior manufacturing rate and product quality. Particularly, the progression of its mould filling stage is crucial to ensure a complete reinforcement saturation. Contemporary process simulation methods focus primarily on physics-based approaches to model the complex resin permeation phenomenon, which are computationally expensive to solve. Thus, the application of machine learning and data-driven modelling approaches is of great interest to minimise the cost of process simulation. In this study, a comprehensive dataset consisting of mould filling patterns of the Resin Transfer Moulding process at different injection locations for a composite dashboard panel case study is presented. The problem description and significance of the dataset are outlined. The distribution of this comprehensive dataset aims to lower the barriers to entry for researching machine learning approaches in composite moulding applications, while concurrently providing a standardised baseline for evaluating newly developed algorithms and models in future research works.

Pickard, Laura Rhian, Joel Crinson, Nicolas Darras, Giuliano Allegri e Michael R. Wisnom. "Evaluation of manufacturing methods for pultruded rod-based hierarchical composite structural members with minimal porosity". Plastics, Rubber and Composites: Macromolecular Engineering 53, n. 1 (febbraio 2024): 25–35. http://dx.doi.org/10.1177/14658011231212627.

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Bio-inspired, hierarchical structures following the example of natural composites such as bone, wood or bamboo promise a new approach to advanced composites. This work focuses on hierarchical composites based around pultruded carbon fibre-epoxy rods, rather than layered plies of material. A structural member, or strut, of circular cross-section, consisting of cured pultruded rods and epoxy resin, demonstrates this hierarchical concept. This paper focuses on manufacturing of struts by vacuum infusion and by pressurised resin transfer moulding, with the aim of minimising porosity while retaining the desired cross-section. Rod alignment and packing are also considered. Vacuum infusion is carried out with stiff and flexible tooling, and pressurised resin transfer moulding using rigid cylindrical copper tools with and without a flexible liner. Porosity is measured via X-ray computed tomography. The results indicate a way forward for manufacturing low porosity hierarchical composites based on pultruded rods, either via vacuum infusion with a flexible tool, requiring machining to reach a circular cross-section, or pressurised resin transfer moulding using a combination of rigid tool and flexible liner at 3 x 105 Pa or higher, where porosity is below the limit of detection in a Nikon XTH-320 CT scanner.

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Tesi sul tema "Resine transfer moulding":

Lowe, Julian Robert. "Void formation in resin transfer moulding". Thesis, University of Nottingham, 1993. http://eprints.nottingham.ac.uk/11626/.

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In recent years interest has grown in the use of composite components within the automotive industry. Fibre reinforced plastic (FRP) components are of particular interest to the industry, since lower tooling costs and part consolidation can be utilised, whilst lighter, stiffer components can be produced. Several methods are available to produce FRP components at high volumes, including compression moulding (using dough and sheet moulding compounds), reinforced reaction injection moulding (RRIM) and liquid moulding processes (resin transfer moulding (RTM) and structural reaction injection moulding (SRIM)). RTM is a closed mould process, which is widely used to produce components economically in low volumes using matched moulds to produce two good surfaces. The absence of a high volume manufacturing technology, however, has impeded the acceptance and advance of RTM within the automotive industry. A research programme was established at the University of Nottingham to address the problems associated with the use of RTM for high volume manufacture. This programme has considered the topics of process technology, processing characteristics of polyester resin systems and fibre preforms, fibre wet-out and interfacial bonding, mould design, microwave pre-heating of reactive resin systems and process modelling. This thesis concerns the research which was undertaken to identify the causes of void formation during the impregnation and polymerisation stages of RTM, and methods of reducing the final void content within the component. The impregnation phase of the RTM process was identified as being the stage where the majority of voids were formed. A study of oil impregnation (having a similar viscosity to that of resin) into reinforcement was undertaken to determine the reasons for uneven flow and air entrapment. The dry reinforcements were studied to assess the microstructure of the preforms in order to determine reasons for obstruction of the resin flow. Fabric stitching, thermoplastic binder and size deposits were identified as potential causes of flow impediment. Fibre orientation and preform stacking were also assumed to assist in the development of uneven flow, leading to air entrapment. A major factor determining the formation of microvoids within fibre bundles was identified as the transverse impregnation of resin into high Tex fibre bundles. The major moulding process variables of injection pressure, vent pressure, fibre volume fraction, mould temperature and resin pre-heating have been assessed, to determine their effect on the void content within unidirectional and CFRM reinforced polyester laminates. It was observed that vacuum assistance during impregnation reduced void formation, although higher exotherm pressures and the possibility of monomer boiling arise from its use. A simple impregnation model was developed to assess the microscopic impregnation rates between fibre bundles, in the capillary between fibres and transversely into fibre bundles. The results from this model were compared with actual moulding histories. The findings of the overall work are discussed and suggestions proposed for the reduction of void content in RTM automotive components.

Al-Hamdan, Ali. "Resin transfer moulding of sandwich structures". Thesis, University of Nottingham, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.362997.

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Weitzenböck, Jan Rüdiger. "Flow characterization in resin transfer moulding". Thesis, University of Southampton, 1996. https://eprints.soton.ac.uk/403475/.

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Hill, David John. "Microwave preheating of thermosetting resin for resin transfer moulding". Thesis, University of Nottingham, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.300723.

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Skordos, Alexandros A. "Modelling and monitoring of resin transfer moulding". Thesis, Cranfield University, 2000. http://dspace.lib.cranfield.ac.uk/handle/1826/3861.

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Abstract (sommario):

Modelling and monitoring tools appropriate for the resin transfer moulding composites manufacturing route were developed in this study. A simulation of the curing stage of the process based on a finite elements solution of the non-linear heat conduction equation was implemented. The simulation involved appropriate submodels for the incorporation of thermal properties and cure kinetics. A novel non-parametric procedure which utilises interpolation applied directly to experimental Winefics data proved adequate for the simulation of chemical and structural phenomena occurring during the cure. The application of the heat transfer model was successful, the magnitude of thermal gradients was shown*to be significant and the character of degree of cure gradients temporary. An inversion of the heat transfer simulation based on genetic algorithms enabled an optihisation of the cure process parameters to be performed. The heat transfer simulation was combined with thermal monitoring results in order to achieve an extension of the local temperature measurements to the whole component. This combined scheme reproduced successfully the' temperature and degree of cure distributions. The same approach was implemented with similar outcomes using artificial cure monitoring results. Impedance cure monitoring was used in order to follow in real time the reaction progress. An interpretation was found for the manifestation of vitrification in the impedance signals. A new equivalent circuit representing accurately the behaviour of the resin system investigated was developed. A methodology which correlates the progress of cure with the imaginary impedance spectrum evolution was established. Dielectric flow monitoring techniques appropriate for the filling stage of resin transfer moulding were devised. Lineal sensors enabled monitoring of the progress of filling to be made in both conductive and non-conductive reinforcements.

Abraham, David. "Resin transfer moulding component design and manufacture". Thesis, University of Ulster, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.243618.

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Kiuna, Ngugi. "Investigation of flow perameters in resin transfer moulding". Thesis, Imperial College London, 2003. http://hdl.handle.net/10044/1/7298.

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Blanchard, Patrick James. "High speed resin transfer moulding of composite structures". Thesis, University of Nottingham, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.325309.

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Semling, M. "Minimisation of filling time in resin transfer moulding". Thesis, University of Warwick, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.343145.

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Parvathaneni, Keerthi Krishna. "Characterization and multiscale modeling of textile reinforced composite materials considering manufacturing defects". Electronic Thesis or Diss., Ecole nationale supérieure Mines-Télécom Lille Douai, 2020. http://www.theses.fr/2020MTLD0016.

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Abstract (sommario):

L’influence des porosités induites par les procédés de fabrication sur les propriétés mécaniques des composites textiles a été étudiée à la fois par caractérisation expérimentale et par modélisation multi-échelle. En particulier, les porosités ont été caractérisés en termes de fraction volumique, taille, forme et distribution, et les effets de chaque caractéristique sur les propriétés mécaniques des composites textiles ont été analysés. De nombreuses plaques de composites textiles ont été fabriquées par le procédé Resin Transfer Molding (RTM). Ainsi, un renfort textile en verre interlock 3D a été imprégné par une résine époxy injectée sous une pression constante pour générer différents types de porosités. Des essais mécaniques ont été réalisés pour examiner la dépendance du module et de la résistance en traction des composites par rapport au taux de porosité total, intra-toron et inter-toron et également par rapport aux caractéristiques géométriques des porosités. Des analyses au microscope électronique ont été effectuées pour obtenir des informations locales sur les fibres (diamètre et distribution) et les porosités intra-toron (rayon, rapport d’aspect et distribution). A partir de ces résultats, un nouvel algorithme a été développé pour générer le Volume Elémentaire Représentatif (VER) qui est statistiquement équivalent au composite contenant les porosités. De plus, l’effet de la morphologie, du diamètre et de la distribution spatiale des porosités (homogène, aléatoire et concentré) sur les propriétés homogénéisées des torons a également été étudié par la méthode des éléments finis. La tomographie par rayons X a été utilisée pour extraire la géométrie méso-échelle réelle en trois dimensions et les porosités intra-toron. Ensuite, ces données ont été utilisées pour créer un modèle numérique à l’échelle mésoscopique (VER) et prédire les propriétés élastiques des composites avec porosités. Une étude paramétrique utilisant une méthode numérique multi-échelle a été effectuée pour étudier l’effet de chaque caractéristique des porosités, c.-à-d. le taux volumique, la taille, la forme, la distribution et la localisation sur les propriétés élastiques de composites. Ainsi, la méthode multi-échelle proposée permet d’établir une corrélation entre les porosités à différentes échelles et les propriétés mécaniques des composites textiles
The influence of void-type manufacturing defects on the mechanical properties of textile composites was investigated both by experimental characterization and by multiscale modeling. In particular, voids characteristics such as not only void volume fraction but also its size, shape, and distribution have been characterized for textile composites and their effect on the mechanical properties have been analyzed. Several textile composite plates were fabricated by the resin transfer molding (RTM) process where 3D interlock glass textile reinforcement was impregnated by epoxy resin under a constant injection pressure to generate different types of voids. A series of mechanical tests were performed to examine the dependency of tensile modulus and strength of composites on the total void volume fraction, intra & inter-yarn void volume fraction, and their geometrical characteristics. Microscopy observations were performed to obtain the local information about fibers (diameter and distribution), and intra-yarn voids (radius, aspect ratio and distribution). Based on these results, a novel algorithm was proposed to generate the statistically equivalent representative volume element (RVE) containing voids. Moreover, the effect of void morphology, diameter and spatial distribution (homogeneous, random and clustering) on the homogenized properties of the yarns was also investigated by the finite element method. X-ray micro-computed tomography was employed to extract the real meso-scale geometry and inter-yarn voids. Subsequently, this data was utilized to create a numerical model at meso-scale RVE and used to predict the elastic properties of composites containing voids. A parametric study using a multiscale numerical method was proposed to investigate the effect of each void characteristic, i.e. volume fraction, size, shape, distribution, and location on the elastic properties of composites. Thus, the proposed multiscale method allows establishing a correlation between the void defects at different scales and the mechanical properties of textile composites

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Libri sul tema "Resine transfer moulding":

Potter, Kevin. Resin Transfer Moulding. Dordrecht: Springer Netherlands, 1997. http://dx.doi.org/10.1007/978-94-009-0021-9.

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Potter, Kevin. Resin transfer moulding. London: Chapman & Hall, 1997.

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Potter, Kevin. Resin Transfer Moulding. Dordrecht: Springer Netherlands, 1997.

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Potter, Kevin. Resin transfer moulding. London: Chapman & Hall, 1997.

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Kruckenberg, Teresa M., e Rowan Paton, a cura di. Resin Transfer Moulding for Aerospace Structures. Dordrecht: Springer Netherlands, 1998. http://dx.doi.org/10.1007/978-94-011-4437-7.

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M, Kruckenberg Teresa, e Paton Rowan, a cura di. Resin transfer moulding for aerospace structures. Dordrecht: Kluwer Academic, 1998.

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Kruckenberg, Teresa M. Resin Transfer Moulding for Aerospace Structures. Dordrecht: Springer Netherlands, 1998.

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David, Abraham. Resin transfer moulding component design and manufacture. [s.l: The Author], 1997.

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D, Rudd C., a cura di. Liquid moulding technologies: Resin transfer moulding, structural reaction injection moulding, and related processing techniques. Warrendale, Pa: Society of Automotive Engineers, 1997.

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Semling, Marcus. Minimisation of filling time in resin transfer moulding. [s.l.]: typescript, 1999.

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Più fonti

Capitoli di libri sul tema "Resine transfer moulding":

Potter, Kevin. "RTM theory". In Resin Transfer Moulding, 1–27. Dordrecht: Springer Netherlands, 1997. http://dx.doi.org/10.1007/978-94-009-0021-9_1.

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Potter, Kevin. "Troubleshooting RTM processing problems". In Resin Transfer Moulding, 188–99. Dordrecht: Springer Netherlands, 1997. http://dx.doi.org/10.1007/978-94-009-0021-9_10.

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Potter, Kevin. "Suggestions for good practice in the design and development of RTM components". In Resin Transfer Moulding, 200–203. Dordrecht: Springer Netherlands, 1997. http://dx.doi.org/10.1007/978-94-009-0021-9_11.

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Potter, Kevin. "Costing". In Resin Transfer Moulding, 204–10. Dordrecht: Springer Netherlands, 1997. http://dx.doi.org/10.1007/978-94-009-0021-9_12.

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Potter, Kevin. "Quality control/assurance". In Resin Transfer Moulding, 211–30. Dordrecht: Springer Netherlands, 1997. http://dx.doi.org/10.1007/978-94-009-0021-9_13.

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Potter, Kevin. "Case study". In Resin Transfer Moulding, 231–38. Dordrecht: Springer Netherlands, 1997. http://dx.doi.org/10.1007/978-94-009-0021-9_14.

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Potter, Kevin. "Materials for RTM". In Resin Transfer Moulding, 28–51. Dordrecht: Springer Netherlands, 1997. http://dx.doi.org/10.1007/978-94-009-0021-9_2.

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Potter, Kevin. "Reinforcement manipulation and preforming". In Resin Transfer Moulding, 52–73. Dordrecht: Springer Netherlands, 1997. http://dx.doi.org/10.1007/978-94-009-0021-9_3.

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Potter, Kevin. "RTM mould tool design". In Resin Transfer Moulding, 74–145. Dordrecht: Springer Netherlands, 1997. http://dx.doi.org/10.1007/978-94-009-0021-9_4.

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Potter, Kevin. "Production engineering requirements". In Resin Transfer Moulding, 146–51. Dordrecht: Springer Netherlands, 1997. http://dx.doi.org/10.1007/978-94-009-0021-9_5.

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Atti di convegni sul tema "Resine transfer moulding":

Desplentere, Frederik, Ignaas Verpoest, Stepan Lomov e Martin Zatloukal. "Stochastic Flow Modeling for Resin Transfer Moulding". In NOVEL TRENDS IN RHEOLOGY III: Proceedings of the International Conference. AIP, 2009. http://dx.doi.org/10.1063/1.3203279.

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Summerscales, J., C. Hoppins, P. Anstice, N. Brooks, J. Wiggers, D. Yahathugoda, A. Harper, C. Wood e M. Cooper. "In-Mould Gel Coating for Resin Transfer Moulding". In Marine & Offshore Composites. RINA, 2010. http://dx.doi.org/10.3940/rina.moc10cd.2010.08.

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Bruno Moura Miranda, Wanderley Ferreira de Amorim, Francisco Procópio Batista Neto e Diego Davi da Silva Diniz. "Design and Fabrication of a Laboratorial Resin Transfer Moulding Equipment". In 23rd ABCM International Congress of Mechanical Engineering. Rio de Janeiro, Brazil: ABCM Brazilian Society of Mechanical Sciences and Engineering, 2015. http://dx.doi.org/10.20906/cps/cob-2015-1188.

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Triollet, S., L. Robert, E. Marin e Y. Ouerdane. "Monitoring of vacuum assisted resin transfer moulding (VARTM) process with superimposed Fiber-Bragg-gratings". In 21st International Conference on Optical Fibre Sensors (OFS21). SPIE, 2011. http://dx.doi.org/10.1117/12.884855.

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Aduriz, Xavier-Alexandre, Cyril Lupi, Jean-Luc Bailleul, Vincent Sobotka, Dominique Leduc, Nicolas Boyard, Nicolas Lefevre et al. "Fibre optics sensors applied to resin transfer moulding (RTM) in aeronautic: composite materials process optimization". In Photonics Europe, a cura di Brian Culshaw, Anna G. Mignani, Hartmut Bartelt e Leszek R. Jaroszewicz. SPIE, 2006. http://dx.doi.org/10.1117/12.662607.

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Martins, Filipe P., Laura Santos, Ricardo Torcato, Paulo S. Lima e José M. Oliveira. "Reproducibility Study of the Thermoplastic-Resin Transfer Moulding Process for Glass Fiber Reinforced Polyamide 6 Composites". In MATERIAIS. Basel Switzerland: MDPI, 2022. http://dx.doi.org/10.3390/materproc2022008084.

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Shahnazari, M. R., e A. Abbassi. "Transient Numerical Simulation of Non-Isothermal Process of RTM". In ASME/JSME 2003 4th Joint Fluids Summer Engineering Conference. ASMEDC, 2003. http://dx.doi.org/10.1115/fedsm2003-45699.

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Abstract (sommario):

In this paper, based on a physical model the resin transfer moulding (RTM) of a non-isothermal process has been simulated. It is assumed that the flow in porous medium is under the Darcian regime. Also, the relationship between flow mean velocity in each section has been considered in terms of porosity. The governing equations including heat dispersion term are solved numerically. To verify the model results, the temperature profiles for two types of fibers have been calculated, and are compared with experimental results of other researchers. The results showed that, to optimize the better quality of production of composite materials, the importance of heat dispersion term can not be neglected.

Kyriazi, Evrydiki, Georgios Petsinis, Harry Zervos, Giannis Poulopoulos, Georgios Syriopoulos, Geoffrey Neale, Mehdi Asareh, Alexandros Skordos e Hercules Avramopoulos. "Photonic sensor-based machine learning for precise forecasting of cure time and temperature overshoot in resin transfer moulding". In Photonic Instrumentation Engineering XI, a cura di Yakov Soskind e Lynda E. Busse. SPIE, 2024. http://dx.doi.org/10.1117/12.3001532.

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Hafiezal, M. R. M., Khalina Abdan, M. D. Azaman, Abidin Z. Z. e Z. M. Hanafee. "Initial study of new bio-based epoxy in carbon fiber reinforced composite panel manufactured by vacuum assisted resin transfer moulding". In 3RD ELECTRONIC AND GREEN MATERIALS INTERNATIONAL CONFERENCE 2017 (EGM 2017). Author(s), 2017. http://dx.doi.org/10.1063/1.5002260.

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MUNIRAJ, D., S. MUGHILARASAN e V. M. SREEHARI. "EXPERIMENTAL INVESTIGATION OF HIGH VELOCITY IMPACT ON CNT REINFORCED COMPOSITES EMPLOYING SINGLE STAGE GAS GUN". In Thirty-sixth Technical Conference. Destech Publications, Inc., 2021. http://dx.doi.org/10.12783/asc36/35801.

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Abstract (sommario):

Composite plays a significant role in the field of aerospace due to its excellent mechanical properties, nevertheless, they are highly susceptible to out-of-plane impact load. Fibre-reinforced composite fails effortlessly under impact load and absorb energy through damage mechanics rather than deformation. The present study investigates the damage behaviour of the CNT reinforced carbon fibre-epoxy composite under high velocity impact using single stage gas gun. Composite plates were fabricated with 0 to 0.6 weight percentage content of CNT as reinforcement using vacuum assisted resin transfer moulding. A series of impact test with various impact energy was carried out on carbon/epoxy composite plate to study the impact performance. From the experimentation it was observed that the 0.3 weight percentage CNT addition provides the optimum impact performance. Damage characterization was performed for various impact velocity based on the micro and macro scale damage area. Knowledge of the damage behaviour of CNT reinforced carbon fibreepoxy composite plate under high velocity impact loads is essential for both the product development and material selection in the aerospace application.