Academic literature on the topic 'Liquid composite molding'

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Journal articles on the topic "Liquid composite molding"

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Wu, C. H., H. T. Chiu, L. J. Lee, and S. Nakamura. "Simulation of Reactive Liquid Composite Molding." International Polymer Processing 13, no. 4 (December 1998): 389–97. http://dx.doi.org/10.3139/217.980389.

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Lee, L. James. "Material characterization in liquid composite molding." Makromolekulare Chemie. Macromolecular Symposia 68, no. 1 (April 1993): 169–91. http://dx.doi.org/10.1002/masy.19930680114.

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El Amaoui, Amal, Jalal Soulami, and Mohamed Hattabi. "Observer design for liquid composite molding process." Materials Today: Proceedings 42 (2021): 1311–16. http://dx.doi.org/10.1016/j.matpr.2020.12.1040.

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Rudd, C. D., D. J. Hill, M. S. Johnson, and P. J. Blanchard. "High Speed, Low Investment Liquid Composite Molding." Materials Technology 13, no. 1 (January 1998): 15–21. http://dx.doi.org/10.1080/10667857.1998.11752761.

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Liu, Xiao-Lin. "Isothermal flow simulation of liquid composite molding." Composites Part A: Applied Science and Manufacturing 31, no. 12 (December 2000): 1295–302. http://dx.doi.org/10.1016/s1359-835x(00)00007-5.

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Bréard, Joël, and Abdelghani Saouab. "Numerical simulation of liquid composite molding processes." Revue Européenne des Éléments Finis 14, no. 6-7 (January 2005): 841–65. http://dx.doi.org/10.3166/reef.14.841-865.

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Comas-cardona, Sebastien, Saeed Ziaee, and Suresh G. Advani. "Spatially homogeneous gelation in liquid composite molding." Polymer Engineering & Science 42, no. 8 (August 2002): 1667–73. http://dx.doi.org/10.1002/pen.11061.

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Terekhov, Ivan V., and Evgeniy M. Chistyakov. "Binders Used for the Manufacturing of Composite Materials by Liquid Composite Molding." Polymers 14, no. 1 (December 27, 2021): 87. http://dx.doi.org/10.3390/polym14010087.

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Binders, or tackifiers, have become widespread in the production of new composite materials by liquid composite molding (LCM) techniques due to their ability to stabilize preforms during laying-up and impregnation, as well as to improve fracture toughness of the obtained composites, which is very important in aviation, automotive, ship manufacturing, etc. Furthermore, they can be used in modern methods of automatic laying of dry fibers into preforms, which significantly reduces the labor cost of the manufacturing process. In this article, we review the existing research from the 1960s of the 20th century to the present days in the field of creation and properties of binders used to bond various layers of preforms in the manufacturing of composite materials by LCM methods to summarize and synthesize knowledge on these issues. Different binders based on epoxy, polyester, and a number of other resins compatible with the corresponding polymer matrices are considered in the article. The influence of binders on the preforming process, various properties of obtained preforms, including compaction, stability, and permeability, as well as the main characteristics of composite materials obtained by various LCM methods and the advantages and disadvantages of this technology have been also highlighted.
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Chen, Tianran, Dana Kazerooni, Lin Ju, David A. Okonski, and Donald G. Baird. "Development of Recyclable and High-Performance In Situ Hybrid TLCP/Glass Fiber Composites." Journal of Composites Science 4, no. 3 (August 24, 2020): 125. http://dx.doi.org/10.3390/jcs4030125.

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By combining the concepts of in situ thermotropic liquid crystalline polymer (TLCP) composites and conventional fiber composites, a recyclable and high-performance in situ hybrid polypropylene-based composite was successfully developed. The recycled hybrid composite was prepared by injection molding and grinding processes. Rheological and thermal analyses were utilized to optimize the processing temperature of the injection molding process to reduce the melt viscosity and minimize the degradation of polypropylene. The ideal temperature for blending the hybrid composite was found to be 305 °C. The influence of mechanical recycling on the different combinations of TLCP and glass fiber composites was analyzed. When the weight fraction ratio of TLCP to glass fiber was 2 to 1, the hybrid composite exhibited better processability, improved tensile performance, lower mechanical anisotropy, and greater recyclability compared to the polypropylene reinforced by either glass fiber or TLCP alone.
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Yu, Sicong, Xufeng Zhang, Xiaoling Liu, Chris Rudd, and Xiaosu Yi. "A Conceptional Approach of Resin-Transfer-Molding to Rosin-Sourced Epoxy Matrix Green Composites." Aerospace 8, no. 1 (December 28, 2020): 5. http://dx.doi.org/10.3390/aerospace8010005.

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In this concept-proof study, a preform-based RTM (Resin Transfer Molding) process is presented that is characterized by first pre-loading the solid curing agent onto the preform, and then injecting the liquid nonreactive resin with an intrinsically low viscosity into the mold to infiltrate and wet the pre-loaded preform. The separation of resin and hardener helped to process inherently high viscosity resins in a convenient way. Rosin-sourced, anhydrite-cured epoxies that would normally be regarded as unsuited to liquid composite molding, were thus processed. Rheological tests revealed that by separating the anhydrite curing agent from a formulated RTM resin system, the remaining epoxy liquid had its flowtime extended. C-scan and glass transition temperature tests showed that the preform pre-loaded with anhydrite was fully infiltrated and wetted by the liquid epoxy, and the two components were diffused and dissolved with each other, and finally, well reacted and cured. Composite laminates made via this approach exhibited roughly comparable quality and mechanical properties with prepreg controls via autoclave or compression molding, respectively. These findings were verified for both carbon and ramie fiber composites.
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Dissertations / Theses on the topic "Liquid composite molding"

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Xu, Liqun. "Integrated analysis of liquid composite molding (LCM) processes." Connect to this title online, 2004. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1095688597.

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Thesis (Ph. D.)--Ohio State University, 2004.
Title from first page of PDF file. Document formatted into pages; contains xix, 245 p.; also includes graphics. Includes bibliographical references (p. 233-245).
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Fong, Lihwa. "Analysis of fiber mat preforming in liquid composite molding /." The Ohio State University, 1992. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487779914825982.

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Ni, Jun. "Analysis of two-region flow in liquid composite molding processes /." The Ohio State University, 1996. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487942182326226.

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Morgan, Michael Ray. "Characterizing the Effects of Capillary Flow During Liquid Composite Molding." BYU ScholarsArchive, 2015. https://scholarsarchive.byu.edu/etd/5787.

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As the aerospace industry continues to incorporate composites into its aircraft, there will be a need for alternative solutions to the current autoclaving process. Liquid composite molding (LCM) has proven to be a promising alternative, producing parts at faster rates and reduced costs while retaining aerospace grade quality. The most important factor of LCM is controlling the resin flow throughout the fiber reinforcement during infusion, as incomplete filling of fibers is a major quality issue as it results in dry spots or voids. Void formation occurs at the resin flow front due to competition between viscous forces and capillary pressure. The purpose of this work is to characterize capillary pressure in vacuum infusion, and develop a model that can be incorporated into flow simulation. In all tests performed capillary pressure was always higher for the carbon fiber versus fiberglass samples. This is due to the increased fiber packing associated with the carbon fabric. As the fabric samples were compressed to achieve specific fiber volumes an increase in capillary pressure was observed due to the decrease in porosity. Measured values for capillary pressure in the carbon fabric were ~2 kPa, thus the relative effects of Pcap may become significant in flow modeling under certain slow flow conditions in composite processing.
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Zobell, Brock Don. "In Situ Characterization of Voids During Liquid Composite Molding." BYU ScholarsArchive, 2017. https://scholarsarchive.byu.edu/etd/6557.

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Global competition is pushing the composites industry to advance and become more cost effective. Liquid Composite Molding or LCM is a family of processes that has shown significant promise in its potential to reduce process times and cost while maintaining high levels of part quality. However, the majority of research and information on composite processes have been related to prepreg-autoclave processing which is significantly different than LCM. In order for LCM processes to gain large scale implementation, significant research is required in order to model and simulate the unique nature of the resin infusion process. The purpose of this research is to aid in the development of in situ void measurement and characterization during LCM processing, particularly for carbon fiber composites. This will allow for the gathering of important empirical data for the validation of models and simulations that aid in the understanding of void formation and movement during LCM. For such data to be useful, it needs to include details on the formation, mobility and evolution of the void over time during infusion. This was accomplished by creating a methodology that allowed for in situ images of voids to be captured during the infusion process. A clear mold was used to visually monitor infusions during RTM with UV dye and lighting to enhance contrast. Consecutive images were acquired through the use of macro lens photography. This method proved capable of yielding high quality images of a variety of in situ voids during infusions with carbon fiber composites. This is believed to be the first instance where this was accomplished. A second methodology was then developed for the analysis of the collected images. This was done by using ImageJ software to analyze and process the acquired images in order to identify and characterize the voids. Success was found in quantifying the size and circularity of a wide range of micro and macrovoids in both a satin weave and double bias NCF woven fabrics. To facilitate the burden of collecting large amounts of data, this process was made to be automated. A user generated macro script could be applied to large sets of images for rapid processing and analysis. This automated method was then evaluated against manually processed images to determine its overall effectiveness and accuracy as tool for validating void theory.
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Westin, Mikael. "Liquid Composite Molding of Multiphase Composites Using Resin with Nanofibrillated Cellulose : Distribution of Particles and Effect on Composite Properties." Thesis, Luleå tekniska universitet, Institutionen för teknikvetenskap och matematik, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-121.

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Two objectives have served as the basis for the present work. The first objective was to experimentally verify the output of a Monte Carlo-based model on particle deposition in porous structures (i.e. fiber preform) during the resin transfer molding (RTM) process. This model is expected to have a positive impact on process optimization and reduce costs by enabling theoretical prediction of how particles are deposited when nanoparticle filled resin is used in RTM. The second objective was to produce a multiphase composite where the epoxy (EP) matrix makes use of the mechanical enhancement that cellulose nanofibres (CNF) can impart when incorporated into the liquid phase of the used polymer matrix. The study was conducted by production of the CNF-filled EP matrix, and by using this to produce multiphase composites out of glass- as well as carbon fibers. The RTM was carried out in collaboration with CSI Composite Solutions and Innovations Oy (Vilppula, Finland). Characterization techniques, including Raman spectroscopy, optical and electron microscopy were used to investigate the microstructure and for assessment of the CNF distribution in the produced composites. These observations were qualitatively compared with the output from the proposed model to evaluate its applicability. EP/CNF nanocomposites (i.e. the consolidated resin) were evaluated by tensile test to investigate the influence of CNF on the mechanical properties of epoxy. Three-point bending tests (ISO 14125) was performed on the multiphase composite to evaluate the impact of CNF-inclusion in the matrix. Obtained results indicate that the model is consistent with the process by which the CNF are deposited in RTM, as both the model and experiment show that the CNF are accumulated in the upper layers (injection side) of the preform. However, work remains to be done for the model to fully comply with specific aspects of the used reinforcement in RTM (e.g. pore size and geometry of the used fiber reinforcement), and thus predict the correct deposition profile and penetration depth of the CNF. The mechanical tests showed that the incorporation of CNF in the epoxy provides a composite with enhanced performance relative a reference without the CNF. The percentage change relative the reference composite was up to 22 % in flexural strength and 25 % in flexural modulus. It is suggested that the increase in mechanical performance is a result of CNF accumulation due to filtering in the fiber preform.
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Han, Kerang. "Analysis of dry spot formation and changes in liquid composite molding /." The Ohio State University, 1994. http://rave.ohiolink.edu/etdc/view?acc_num=osu148785931334784.

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Shih, Chih-Hsin. "Liquid composite molding of tackified fiber reinforcement : preforming and void removal /." The Ohio State University, 2000. http://rave.ohiolink.edu/etdc/view?acc_num=osu1488202678774704.

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Rubino, Felice. "Analysis and enhancement of resin flow in liquid composite molding process." Doctoral thesis, Universita degli studi di Salerno, 2018. http://hdl.handle.net/10556/3035.

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2016 - 2017
The research activity was devoted to the study of the composite materials manufacturing processes. In particular, the liquid composite molding (LCM) processes were the object of the performed study. In recent years LCM processes have gained a widespread diffusion in different industrial fields, from civil to automotive and aerospace due to their several advantages compared to the conventional autoclave processes. However, some disadvantages related to a not uniform preform impregnation due to a local variation of the preform permeability, fibers bundles misalignment, that would results in dry zones or matrix richer areas, affect the LCMs limiting their usage in industrial full scale. Other limits are due to a limited pressure driving force as well as a reduced pressure compaction influencing the final volume fraction achievable with detrimental effects on the mechanical properties of the composite material product. A more deep knowledge of the phenomena involved in the manufacturing of the composite materials are required to implement proper control action on the parameters (e.g. pressure, resin flow rate, thermal cycle as well as inlet/vent locations) to optimize the process. In order to improve the impregnation of the preform and reduce the time required to fully fill the mold cavity an in-line microwave preheating system was developed. The aims was to couple a microwave generator upstream the LCM mold to heat up the resin prior the entry into the mold. Indeed, the temperature increasing reduces the liquid viscosity allowing the resin to flow more freely through the dry preform. To perform a thorough study on the effectiveness of the proposed approach a laboratory scale apparatus for liquid composite molding processes was designed. The system was instrumented with ad-hoc designed sensors to monitor the resin flow during the process. Cheaper dielectric sensors are designed, produced and installed on the mold. A numerical model was also developed to simulate the resin flow through the fibers preform. The numerical model proved to able to deal with the dual-scale nature of the textile preform commonly used in the LCMs, that are characterized by two different regions (inter- and intra-tow) with different values of permeability. The numerical outcomes were also used to validate the data obtained from the dielectric sensors. They demonstrated to be able to monitor the both the impregnation and the saturation of the fiber preform. The developed microwave heating system proved to be effective to both reduce the total infusion time as well as improve the wetting of the fibers, achieving a more uniform impregnation with a limited amount of residual voids.[edited by Author]
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Lawrence, Jeffrey M. "Methodologies for resin flow prediction and manipulation in liquid composite molding processes." Access to citation, abstract and download form provided by ProQuest Information and Learning Company; downloadable PDF file 19.79Mb, 374 p, 2005. http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&res_dat=xri:pqdiss&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&rft_dat=xri:pqdiss:3181855.

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Books on the topic "Liquid composite molding"

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Delgado, João M. P. Q., Antonio Gilson Barbosa de Lima, and Mariana Julie do Nascimento Santos. Transport Phenomena in Liquid Composite Molding Processes. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-12716-9.

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Workshop on Manufacturing Polymer Composites by Liquid Molding (1993 Gaithersburg, Md.). Report on the Manufacturing Polymer Composites by Liquid Molding, September 20-22, 1993. [Gaithersburg, Md.?]: U.S. Dept. of Commerce, Technology Administration, National Institute of Standards and Technology, 1993.

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Liquid Composite Molding. Hanser Gardner Publications, 2000.

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João M.P.Q. Delgado, Antonio Gilson Barbosa de Lima, and Mariana Julie do Nascimento Santos. Transport Phenomena in Liquid Composite Molding Processes. Springer, 2019.

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Book chapters on the topic "Liquid composite molding"

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Parnas, Richard S. "Manufacturing Composites." In Liquid Composite Molding, 87–148. München: Carl Hanser Verlag GmbH & Co. KG, 2000. http://dx.doi.org/10.3139/9783446443020.004.

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Parnas, Richard S. "Introduction." In Liquid Composite Molding, 9–22. München: Carl Hanser Verlag GmbH & Co. KG, 2000. http://dx.doi.org/10.3139/9783446443020.001.

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Parnas, Richard S. "Fundamentals – Transport Phenomena." In Liquid Composite Molding, 23–63. München: Carl Hanser Verlag GmbH & Co. KG, 2000. http://dx.doi.org/10.3139/9783446443020.002.

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Parnas, Richard S. "RTM Fundamentals – Reinforcement Construction." In Liquid Composite Molding, 65–86. München: Carl Hanser Verlag GmbH & Co. KG, 2000. http://dx.doi.org/10.3139/9783446443020.003.

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Parnas, Richard S. "The Microstructure." In Liquid Composite Molding, 149–66. München: Carl Hanser Verlag GmbH & Co. KG, 2000. http://dx.doi.org/10.3139/9783446443020.005.

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Abliz, Dilmurat, and Gerhard Ziegmann. "Liquid Composite Molding Processes." In Acting Principles of Nano-Scaled Matrix Additives for Composite Structures, 79–88. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-68523-2_5.

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Gebart, B. Rikard, and L. Anders Strömbeck. "Principles of Liquid Composite Molding." In Processing of Composites, 358–87. München: Carl Hanser Verlag GmbH & Co. KG, 2000. http://dx.doi.org/10.3139/9783446401778.012.

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Delgado, João M. P. Q., Antonio Gilson Barbosa de Lima, and Mariana Julie do Nascimento Santos. "The Liquid Composite Molding Process: Theory and Applications." In Transport Phenomena in Liquid Composite Molding Processes, 15–21. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-12716-9_2.

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Delgado, João M. P. Q., Antonio Gilson Barbosa de Lima, and Mariana Julie do Nascimento Santos. "Introduction." In Transport Phenomena in Liquid Composite Molding Processes, 1–13. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-12716-9_1.

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Delgado, João M. P. Q., Antonio Gilson Barbosa de Lima, and Mariana Julie do Nascimento Santos. "Advanced Experiments in RTM Processes." In Transport Phenomena in Liquid Composite Molding Processes, 23–32. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-12716-9_3.

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Conference papers on the topic "Liquid composite molding"

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Carley, Earl P., John F. Dockum, and Philip L. Schell. "Preforming for Liquid Composite Molding." In International Congress & Exposition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 1990. http://dx.doi.org/10.4271/900311.

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Kleymeer, Dan A., and James R. Stimpson. "An Automotive Bumper Bar Using Liquid Composite Molding." In SAE International Congress and Exposition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 1989. http://dx.doi.org/10.4271/890341.

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Esperto, Vitantonio, Massimo Durante, Pierpaolo Carlone, and Luigi Carrino. "Resin microwave preheating in liquid composite molding process." In PROCEEDINGS OF THE 22ND INTERNATIONAL ESAFORM CONFERENCE ON MATERIAL FORMING: ESAFORM 2019. AIP Publishing, 2019. http://dx.doi.org/10.1063/1.5112650.

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Chan, Albert W., and Roger J. Morgan. "Modeling Race Tracking Effects in Liquid Composite Molding." In ASME 1997 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 1997. http://dx.doi.org/10.1115/imece1997-0641.

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Abstract Fabrication of polymer composite components for automotive applications typically involve the injection of a reactive polymer resin into a preform placed in a closed mold. This process, generally referred to as liquid composite molding, offers the opportunity for part consolidation and fabrication of large, complex shaped parts in a single molding step. A problem often encountered in the molding of composite components is the channeling flow (or race tracking) of resin along the periphery of the preform. This race tracking flow occurs as a result of a small clearance between the preform periphery and the mold. The resistance to flow in the peripheral clearance is much smaller than that in the bulk preform; hence, resin preferentially flows through this region. This paper will present an integrated approach to modeling flow (both in the preform and along the periphery) in the mold cavity. The objective is to model race tracking as part of the overall flow problem. The solution essentially involves the interfacing of the two flow domains along the preform periphery. An integrated approach will not only lead to more accurate model predictions, but will also lead to improved computational efficiency. Example case studies will be presented to illustrate the importance of including race tracking in modeling liquid composite molding operations.
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UMER, REHAN, MUHAMMAD ALI, KAMRAN KIHAN, and WESLEY CANTWELL. "A Novel Reinforcement Characterization Framework for Liquid Composite Molding Processes." In American Society for Composites 2019. Lancaster, PA: DEStech Publications, Inc., 2019. http://dx.doi.org/10.12783/asc34/31304.

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Ayorinde, Emmanuel O., Ronald F. Gibson, Feihua Deng, and Bakhtiar Baig. "Vibration-Assisted Liquid Composite Molding: Practical and Numerical Simulation." In ASME 1997 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 1997. http://dx.doi.org/10.1115/imece1997-0485.

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Abstract Vibration assistance in the process of liquid composite molding (LCM), a relatively new concept, is investigated in this paper. A non-Newtonian resin simulator fluid (1% polyacrylamide/water solution) is injected with vibration assistance into a simulator mold, with pre-placed actual (industrial) pre-form. Mold filling under various conditions is investigated. An analytical model based on the control volume finite element representation is constructed for the process. A comparison of the experimental and computational results showed good agreement. Effects of the presence of the preform, the damping of the input vibration in the mold space, and how it is affected by various parameters are investigated.
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Devillard, Mathieu, Kuang-Ting Hsiao, and Suresh G. Advani. "Validation and Implementation of Control Strategies for Liquid Composite Molding Processes." In ASME 2003 International Mechanical Engineering Congress and Exposition. ASMEDC, 2003. http://dx.doi.org/10.1115/imece2003-43521.

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The manufacturing of polymeric composites ranges from using a rudimentary hand lay-up to the use of automated processes such as Liquid Composite Modeling (LCM) developed over the past decades in order to increase the yield of manufactured composite parts. In these processes, fiber preforms are placed in a closed mold and resin is infused into the mold to saturate the preform. After the resin cures, the mold is opened and the net shape composite part is demolded. However, by introducing more complexity into the part, one also introduces higher probability of flow disturbances, such as race tracking along preform edges, into the molding system. This can lead to incomplete saturation of fiber performs resulting in flaws such as dry spots in the composite part. The strength and existence of race-tracking is a function of the fabric type, perform manufacturing method, and its placement in the mold. It can vary from one part to the next in the same production run, and therefore it is not repeatable. In this work, after illustrating experimentally the unpredictability of variation of race-tracking and its influence on the flow, two approaches have been investigated and validated to address this issue associated with the variation of inherent disturbances in LCM processes. An active control strategy method using process models and simulations along with sensing and control to address flow disturbances during the impregnation stage of the process was shown to be reliable and effective for Resin Transfer Molding (RTM) process. In an attempt to improve the automation of RTM process, a modular RTM workstation including all hardware and software necessary to implement active control strategies for various part geometries and a novel injection system was designed and tested. In addition, a passive control method for Vaccum Assisted RTM (VARTM) aimed at optimizing the placement of distribution media for a given set-up in order to reduce dry spot formation and filling time was developed and validated experimentally. The optimization method employs numerical flow simulations and global optimization search techniques (Genetic algorithm) to generate the design for strategic flow control system.
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SOMMERLOT, STEPHEN, TIMOTHY LUCHINI, and ALFRED LOOS. "The Forchheimer Effect and Non-Darcy Flows in Liquid Composite Molding Processes." In American Society for Composites 2017. Lancaster, PA: DEStech Publications, Inc., 2017. http://dx.doi.org/10.12783/asc2017/15205.

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Kueh, Sylvia R. M., Richard S. Parnas, Joy P. Dunkers, Suresh G. Advani, A. Paige C. Furrow, Mark E. Jones, and Timothy A. Bailey. "Long-period gratings as flow sensors for liquid-composite molding." In SPIE's 5th Annual International Symposium on Nondestructive Evaluation and Health Monitoring of Aging Infrastructure, edited by George Y. Baaklini, Carol A. Nove, and Eric S. Boltz. SPIE, 2000. http://dx.doi.org/10.1117/12.385495.

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Tsotsis, Thomas K. "Requirements for Moving Towards Liquid Molding of Large Composite Structures for Aerospace." In ASME 2013 International Manufacturing Science and Engineering Conference collocated with the 41st North American Manufacturing Research Conference. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/msec2013-1023.

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Requirements for moving beyond the current state of the art in polymer-matrix composites for large commercial and military transport aircraft via the use of liquid molding will be presented. These requirements will be rooted in understandings of regulatory safety requirements and in recent developments in materials and modeling. Key parameters such as the interrelationships between modeling, quality control, and scale-up will be discussed in some detail with a focus on how these need to be matured or adapted for aerospace usage and how they address the persistent need for improved performance at reduced weight. Ongoing work in several technologies will be presented relative to how they fit into the maturation of next-generation composites and tools for developing new composite materials. Scale-up will be illustrated by examples in modeling moving up from material-property-level requirements to system-level performance and moving down to micro and submicron level. These illustrations will be used to show an approach for effectively moving between scales in modeling, testing, fabrication, and design.
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Reports on the topic "Liquid composite molding"

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Pitchumani, Ranga. Total Quality Optimal Fabrication of Composite Materials via Liquid Molding and Intelligent Simulation-Assisted Liquid Composite Molding. Fort Belvoir, VA: Defense Technical Information Center, September 2000. http://dx.doi.org/10.21236/ada402954.

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Henz, Brian J., and Dale R. Shires. SPOOCEFEM: The Simplified Parallel Object-Oriented Computing Environment for the Finite Element Method With Application: Liquid Composite Molding. Fort Belvoir, VA: Defense Technical Information Center, December 2003. http://dx.doi.org/10.21236/ada419247.

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Kendall, Kenneth N., and Michiel V. Bruschke. Report on the workshop of manufacturing polymer composites by liquid molding, September 20-22, 1993. Gaithersburg, MD: National Institute of Standards and Technology, 1994. http://dx.doi.org/10.6028/nist.ir.5373.

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