Academic literature on the topic 'Foam injection molding'

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Journal articles on the topic "Foam injection molding"

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Rizvi, S. J. A. "Microcellular Foam Injection Molding of Thermoplastics Using Green Physical Blowing Agent." Materials Science Forum 875 (October 2016): 77–111. http://dx.doi.org/10.4028/www.scientific.net/msf.875.77.

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The microcellular injection molding technology, commercially offered by Trexel Inc. and other manufacturers, is primarily a close cell foaming technique. This process is capable of offering light weight non-porous thermoplastics moldings. The foaming of thermoplastics with open cellular morphology has got various high end applications among others like tissue engineering and membrane separation. Some of the researchers were successful in synthesis of open cellular thermoplastics at laboratory scale via solid state batch process. The growing demand for microporous thermoplastics, especially the
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Wang, Yue, and Guang Hong Hu. "Research Progress of Improving Surface Quality of Microcellular Foam Injection Parts." Applied Mechanics and Materials 66-68 (July 2011): 2010–16. http://dx.doi.org/10.4028/www.scientific.net/amm.66-68.2010.

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Microcellular foam injection parts have many advantages such as saving material and energy, reducing cycle time, and processing excellent dimensional stability. Despite these advantages, the low surface quality problems limit its application scope seriously. In this study, the microcellular foam injection molding principle and some surface defects were introduced, and the technologies to improve surface quality, such as Gas Counter Pressure (GCP), Rapid Heat Cycle Molding (RHCM), and Film Insulation were summarized in detail. Finally, the prospect of CAE technologies about microcellular foam i
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Zepnik, Stefan, Daniel Sander, Stephan Kabasci, and Christian Hopmann. "Structural Foams of Biobased Isosorbide-Containing Copolycarbonate." International Journal of Polymer Science 2017 (2017): 1–6. http://dx.doi.org/10.1155/2017/4308687.

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Isosorbide-containing copolycarbonate (Bio-PC) is a partly biobased alternative to conventional bisphenol A (BPA) based polycarbonate (PC). Conventional PC is widely used in polymer processing technologies including thermoplastic foaming such as foam injection molding. At present, no detailed data is available concerning the foam injection molding behavior and foam properties of Bio-PC. This contribution provides first results on injection-molded foams based on isosorbide-containing PC. The structural foams were produced by using an endothermic chemical blowing agent (CBA) masterbatch and the
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Ryu, Youngjae, Joo Seong Sohn, Chang-Seok Yun, and Sung Woon Cha. "Shrinkage and Warpage Minimization of Glass-Fiber-Reinforced Polyamide 6 Parts by Microcellular Foam Injection Molding." Polymers 12, no. 4 (2020): 889. http://dx.doi.org/10.3390/polym12040889.

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Shrinkage and warpage of injection-molded parts can be minimized by applying microcellular foaming technology to the injection molding process. However, unlike the conventional injection molding process, the optimal conditions of the microcellular foam injection molding process are elusive because of core differences such as gas injection. Therefore, this study aims to derive process conditions to minimize the shrinkage and warpage of microcellular foam injection-molded parts made of glass fiber reinforced polyamide 6 (PA6/GF). Process factors and levels were first determined, with experiments
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Kim, Donghwi, Youngjae Ryu, Ju-Heon Lee, and Sung Woon Cha. "Effect of Aluminum Flakes on Mechanical and Optical Properties of Foam Injection Molded Parts." Polymers 13, no. 17 (2021): 2930. http://dx.doi.org/10.3390/polym13172930.

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Injection research using aluminum flakes has been conducted to realize metallic textures on the surface of plastic products. Several studies have focused on the effect of the orientation and quality of the flakes when using conventional injection molding methods; however, limited studies have focused on the foam injection molding method. In this study, we examined the orientation of aluminum flakes through foam injection with an inert gas and observed the changes in texture using a spectrophotometer and a gloss meter. The mechanical properties were also studied because the rigidity of the prod
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Löhner, Martin, and Dietmar Drummer. "Influence of Processing Parameters in Reaction Injection Foam Molding for Multi-Layer Parts on Foam Structure and Mechanical Properties." Applied Mechanics and Materials 805 (November 2015): 131–38. http://dx.doi.org/10.4028/www.scientific.net/amm.805.131.

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Reaction injection molding is a plastic processing method to produce net shape parts using reactive systems. By integrating semi-finished products as inserts, complex multi-layer parts can be generated in highly integrative and energy efficient processes. The material by far mostly used is polyurethane, a polymer which results from the reaction of isocyanate and polyol. By adding blowing agents, like for example water, to the polyol component, foamed parts can be realized. In contrast to thermoplastic injection molding a chemical reaction takes part during molding within the cavity. Therefore
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Lin, Zheng Ying, and Wan Li Hou. "Optimization Design for Automotive Interior Trimmings Based on Moldflow." Key Engineering Materials 522 (August 2012): 515–19. http://dx.doi.org/10.4028/www.scientific.net/kem.522.515.

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Took the auxiliary fascia console lid of automotive interior trimmings for example, the preliminary plastic was designed by Pro/Engineer, then the Moldflow analysis on the plastic was performed. Those irrational factors of both injection technical parameters and structure of the plastic, which would occur in the injection molding process, were modified after analyzing simulation results. The rational plastic was obtained by repeating simulation and optimization, which indicated that the simulation-based optimization could improve the plastic quality and efficiency of injection molding. Meanwhi
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Lohr, Christoph, Björn Beck, Frank Henning, Kay André Weidenmann, and Peter Elsner. "Process comparison on the microstructure and mechanical properties of fiber-reinforced polyphenylene sulfide using MuCell technology." Journal of Reinforced Plastics and Composites 37, no. 15 (2018): 1020–34. http://dx.doi.org/10.1177/0731684418777120.

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The MuCell process is a special injection molding process which utilizes supercritical gas (nitrogen) to create integral foam sandwiches. The advantages are lower weight, higher specific properties and shorter cycle times. In this study, a series of glass fiber-reinforced polyphenylene sulfide foam blanks are manufactured using the MuCell injection molding process. The different variations of the process (low-pressure also known as structural foam injection molding) and high-pressure foam injection molding (also known as “core back expansion,” “breathing mold,” “precision opening,” decompressi
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Krause, Katharina. "Structure-property-relationships for Lightweight Parts Produced via Co-injection Molding and Foam Injection Molding." Zeitschrift Kunststofftechnik 1 (2023): 27–51. http://dx.doi.org/10.3139/o999.02012023.

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Deng, Luo Hong, Zai Liang Chen, and Fei Wang. "Investigation of Parameters Relevant to Microcellular Foam Injection Molding." Advanced Materials Research 785-786 (September 2013): 1041–45. http://dx.doi.org/10.4028/www.scientific.net/amr.785-786.1041.

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The paper is proposed that we can use single factor experiment method and range analysis method to investigate four technological parameters (Melt temperature, Weight loss, Injection time and Gas content) of the technological parameters in the process of microcellular foam injection molding. By investigating the rules and degree which are obtained from the factors influence on bubbles morphology, it is actually meaningful that we can control and improve the bubbles morphology for improving the capability of Microcellular Foam Injection Molding materials.
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Dissertations / Theses on the topic "Foam injection molding"

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Volpe, Valentina. "Foam Injection molding with physical blowing agents." Doctoral thesis, Universita degli studi di Salerno, 2015. http://hdl.handle.net/10556/1963.

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2011 - 2012<br>Foam injection molding uses environmental friendly blowing agents under high pressure and temperature to produce parts having a cellular core and a compact solid skin (the so-called “structural foam”). The addition of a supercritical gas reduces the part weight and at the same time improves some physical properties of the material through the promotion of a faster crystallization; it also leads to the reduction of both the viscosity and the glass transition temperature of the polymer melt, which therefore can be injection molded adopting lower temperatures and pressures. In thi
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Finniss, Adam. "A parametric study of microcellular ABS foam production in the injection molding process." Morgantown, W. Va. : [West Virginia University Libraries], 2008. https://eidr.wvu.edu/etd/documentdata.eTD?documentid=5998.

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Thesis (M.S.)--West Virginia University, 2008.<br>Title from document title page. Document formatted into pages; contains xiii, 101 p. : ill. (some col.). Includes two zip files of TIF images. Includes abstract. Includes bibliographical references (p. 93-94).
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Heidrich, Dario, Eric Brückner, and Michael Gehde. "Correlations between injection molding and welding of microcellular materials." Universitätsbibliothek Chemnitz, 2017. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-qucosa-230272.

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Due to the rising demand of light-weight constructions as well as the conservation of resources, the density and weight of thermoplastic parts could be influenced significantly by using the thermoplastic foam injection molding process. The structure of the foam injection molded part, which typically means solid surface layers and a cellular core, usually results in a weight saving. Furthermore the materials structure leads to an increasing of the specific bending stiffness with a simultaneous low tendency to warp. The present study was aimed to analyze the interactions between microcellular s
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Tromm, Mike [Verfasser]. "Controlling cellular structure in thermoplastic foam injection molding – influence of processing and mold technologies / Mike Tromm." Kassel : kassel university press c/o Universität Kassel - Universitätsbibliothek, 2021. http://d-nb.info/1233237772/34.

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Cocquet, Clio. "Contrôle de la morphologie de matériaux polyamide cellulaire par la cinétique chimiqet et rhéologie." Thesis, Lyon 1, 2012. http://www.theses.fr/2012LYO10113/document.

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Une mousse de PA66 peut être obtenue à partir de granulés de PA66 expansibles en utilisant un procédé de transformation classique des polymères. Les granulés expansibles de PA66 sont préparés par extrusion bi-vis corotative en mélangeant le PA66 et un agent moussant spécifique au PA66 qui contient des fonctions isocyanate bloquées. Le moussage a lieu dans une seconde étape (extrusion ou moulage par injection) à une température supérieure à la température de préparation des granulés expansibles et suffisamment élevée pour libérer les fonctions isocyanate. Une fois libérées, les fonctions isocya
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Stránský, Luboš. "Návrh technologie výroby plastové páčky." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2012. http://www.nusl.cz/ntk/nusl-230421.

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This thesis describes the design of injection form for production of plastic lever. In the introduction,there is general literary studies of plastics and injection molding technology. Then continues studies of the injection molding machine, injection form or by selecting the gating systém. The practical part is injection mold design which includes a calculation of the injectionparameters, selection of equipment and technical and economic evaluation.
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Jung, Peter Ungyeong. "Development of Innovative Gas-assisted Foam Injection Molding Technology." Thesis, 2013. http://hdl.handle.net/1807/43608.

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Injection molding technology is utilized for a wide range of applications from mobile phone covers to bumper fascia of automotive vehicles. Foam injection molding (FIM) is a branched manufacturing process of conventional injection molding, but it was designed to take advantage of existing foaming technology, including material cost saving and weight reduction, and to provide additional benefits such as improvement in dimensional stability, faster cycle time, and so on. Gas-assisted injection molding (GAIM) is another supplemental technology of injection molding and offers several advantages as
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Chen, Guan-Yu, and 陳冠宇. "Study of Molding Characteristics of PC Micro-foam Injection Molded Parts." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/83803142915994098578.

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碩士<br>逢甲大學<br>機械與電腦輔助工程學系<br>105<br>The injection molding technology is one of the most important polymer processing method on mass production for complex plastic parts. The injection molding with physical foaming agents has the advantages of reducing the amount of material used, lower energy consumption, shortening the cycle of molding process and enhancement on the dimensional stability of the injection products, reduction of buckling, lower residual stress and other characteristics. According to the literature analysis, the size of the foaming produced by the process in the past were measur
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Zhu, Xindong. "Advanced structural foam injection molding technology: Use of a very low BA content for fine-celled HDPE foams /." 2004. http://proquest.umi.com/pqdweb?did=1257777421&sid=2&Fmt=2&clientId=12520&RQT=309&VName=PQD.

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GUO, HONG-MAO, and 郭宏懋. "Studies on the processing of shut-off hot runner-gas counter pressure foam injection molding." Thesis, 1989. http://ndltd.ncl.edu.tw/handle/32980797060714804396.

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Books on the topic "Foam injection molding"

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Han, Chang Dae. Rheology and Processing of Polymeric Materials: Volume 2: Polymer Processing. Oxford University Press, 2006. http://dx.doi.org/10.1093/oso/9780195187830.001.0001.

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Volume 2 presents the fundamental principles related to polymer processign operations including the processing of thermoplastic polymers and thermosets. The objective of this volume is not to provide recipies that necessarily guarantee better product quality. Rather, emphasis is placed on presenting a fundamental approach to effectively analyze processing operations. The specific polymer processing operations for thermoplastics include plasticating single-screw extrusion, morphology evolution during compounding of polymer blends, compatibilization of immiscible polymer blends, wire coating ext
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Xu, Xiang. Design of an injection-molding system for manufacture of microcellular foams. 2002.

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Book chapters on the topic "Foam injection molding"

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Xu, X., and C. B. Park. "Injection Foam Molding." In Injection Molding. Carl Hanser Verlag GmbH & Co. KG, 2009. http://dx.doi.org/10.3139/9783446433731.008.

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Wang, Maw-Ling, Rong-Yeu Chang, and Chia-Hsiang (David) Hsu. "Foam Injection Molding." In Molding Simulation: Theory and Practice. Carl Hanser Verlag GmbH & Co. KG, 2018. http://dx.doi.org/10.3139/9781569906200.014.

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Chang, Yuan-Jung (Dan), Li-Yang (Robert) Chang, and Chih-Wei (Joe) Wang. "Foam Injection Molding." In Molding Simulation: Theory and Practice, 2nd ed. Carl Hanser Verlag GmbH & Co. KG, 2022. http://dx.doi.org/10.3139/9781569908853.014.

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Xu, Jingyi. "Foam Injection Molding." In Polymeric Foams. CRC Press, 2022. http://dx.doi.org/10.1201/9781003166160-4.

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Ohshima, Masahiro. "Advancements in Foam Injection Molding." In Polymeric Foams. CRC Press, 2022. http://dx.doi.org/10.1201/9781003166160-8.

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Ameli, Amir, and Chul B. Park. "Foam Injection Molding of Conductive-Filler/Polymer Composites." In Advanced Injection Molding Technologies. Carl Hanser Verlag GmbH & Co. KG, 2019. http://dx.doi.org/10.3139/9781569906040.004.

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Hofmann, Karoline, Christian Brütting, Michael Gehde, and Volker Altstädt. "Interaction Between Foam Injection Molding and Welding Process." In Advances in Polymer Processing 2020. Springer Berlin Heidelberg, 2020. http://dx.doi.org/10.1007/978-3-662-60809-8_19.

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Pribble, Wayne I., and Eric L. Buckleitner. "Molds for Reaction Injection, Structural Foam, and Expandable Styrene Molding." In DuBois and Pribble’s Plastics Mold Engineering Handbook. Springer US, 1995. http://dx.doi.org/10.1007/978-1-4757-0253-8_12.

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Pribble, Wayne I. "Molds for Reaction Injection, Structural Foam and Expandable Styrene Molding." In Plastics Mold Engineering Handbook. Springer US, 1987. http://dx.doi.org/10.1007/978-1-4684-6578-5_12.

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Azdast, Taher, Rezgar Hasanzadeh, Richard E. Lee, Patrick C. Lee, Guilong Wang, and Chul B. Park. "High-Pressure Foam Injection Molding of Polylactide/Nano-Fibril Composites with Mold Opening." In Polymeric Foams. CRC Press, 2022. http://dx.doi.org/10.1201/9781003166160-5.

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Conference papers on the topic "Foam injection molding"

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Bayer, Martin, Torsten Maenz, Gerrit Hülder, Pierre Eckold, and Michael Gehde. "Foam injection molding of phenolic resins." In PROCEEDINGS OF THE 35TH INTERNATIONAL CONFERENCE OF THE POLYMER PROCESSING SOCIETY (PPS-35). AIP Publishing, 2020. http://dx.doi.org/10.1063/1.5142953.

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Lu, Hui-Lei, and Guang-Hong Hu. "Microcellular Foam Injection Molding Surface Improvement Methods." In 2nd Annual International Conference on Advanced Material Engineering (AME 2016). Atlantis Press, 2016. http://dx.doi.org/10.2991/ame-16.2016.174.

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Valentina, Volpe, Marco D. Auria, Luigi Sorrentino, Davino Daniele, and Roberto Pantani. "Foam injection molding of magneto sensitive polymer composites." In PROCEEDINGS OF THE EUROPE/AFRICA CONFERENCE DRESDEN 2017 – POLYMER PROCESSING SOCIETY PPS. Author(s), 2019. http://dx.doi.org/10.1063/1.5084844.

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Volpe, Valentina, Marco D’Auria, Luigi Sorrentino, Daniele Davino, and Roberto Pantani. "Foam injection molding of elastomers with iron microparticles." In THE SECOND ICRANET CÉSAR LATTES MEETING: Supernovae, Neutron Stars and Black Holes. AIP Publishing LLC, 2015. http://dx.doi.org/10.1063/1.4937339.

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Ohshima, Masahiro, Masaya Kubota, Shota Ishihara, Yuta Hikima, Akihiro Sato, and Takafumi Sekiguchi. "Microcellular foam injection molding with cellulose nanofibers (CNFs)." In PROCEEDINGS OF PPS-31: The 31st International Conference of the Polymer Processing Society – Conference Papers. AIP Publishing LLC, 2016. http://dx.doi.org/10.1063/1.4942306.

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Pantani, R., A. Sorrentino, V. Volpe, and G. Titomanlio. "Foam injection molding of poly(lactic acid) with physical blowing agents." In PROCEEDINGS OF PPS-29: The 29th International Conference of the Polymer Processing Society - Conference Papers. American Institute of Physics, 2014. http://dx.doi.org/10.1063/1.4873808.

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Kobler, Eva, Clemens Kastner, and Georg Steinbichler. "Application of a convolutional neural network in polymer injection foam molding." In FRACTURE AND DAMAGE MECHANICS: Theory, Simulation and Experiment. AIP Publishing, 2020. http://dx.doi.org/10.1063/5.0028315.

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Ries, S., A. Spoerrer, and V. Altstaedt. "Foam injection molding of thermoplastic elastomers: Blowing agents, foaming process and characterization of structural foams." In PROCEEDINGS OF PPS-29: The 29th International Conference of the Polymer Processing Society - Conference Papers. American Institute of Physics, 2014. http://dx.doi.org/10.1063/1.4873809.

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Ameli, A., M. Nofar, M. Saniei, S. Wang, and C. B. Park. "Foam injection molding of polypropylene/stainless steel fiber composites for efficient EMI shielding." In PROCEEDINGS OF PPS-31: The 31st International Conference of the Polymer Processing Society – Conference Papers. AIP Publishing LLC, 2016. http://dx.doi.org/10.1063/1.4942310.

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Kastner, Clemens, and Georg Steinbichler. "Development of measurement method for determination of dynamic solubility limits in injection foam molding." In MATERIALS CHARACTERIZATION USING X-RAYS AND RELATED TECHNIQUES. Author(s), 2019. http://dx.doi.org/10.1063/1.5088306.

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