Academic literature on the topic 'Twin screw co-rotating extruder'

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Journal articles on the topic "Twin screw co-rotating extruder"

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Wang, Ping, Xiao Yang Shen, and Xian Liang Zong. "Optimum Design on Trapezoidal Thread Parameters of Co-Rotating Twin Screw Extruder." Advanced Materials Research 97-101 (March 2010): 245–49. http://dx.doi.org/10.4028/www.scientific.net/amr.97-101.245.

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In order to design trapezoidal thread parameters of co-rotating twin screw extruder that is used in non-fused materials processing, based on geometry of fully wiped co-rotating twin screw extruder by M. L. Booy, the paper adopts tangential approximation method to determine the parameters of trapezoidal thread choosing tangent of especial point of normal section curve. And reasonable spans of oblique angle, actual top width of flight, channel depth and thread lead are determined by the optimum design with objective function of maximal theoretical flux. Experiments show that a co-rotating twin s
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Wen, Wei Gang, and Hui Juan Jia. "A Genetic Approach for Optimization Design of Gear System in Co-Rotating Twin Screw Extruder." Applied Mechanics and Materials 110-116 (October 2011): 685–90. http://dx.doi.org/10.4028/www.scientific.net/amm.110-116.685.

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According to the structure features of gear system in co-rotating twin screw extruder, the model of the gear system is built, and multi-objective optimization genetic approach based on the Pareto-rank is proposed to optimize the parameters of the gear system. The advanced optimal design method for the gear unit in co-rotating twin screw extruder is studied. A typical gear system in co-rotating twin screw extruder is designed, and the results show that the gear system meets the requirements in all aspects. This design method of the gear system is synthetic optimization for the gear system in co
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Kimura, Yoshitaka. "Co-rotating Twin Screw Extruder Compounding Technologies." Plastics Engineering 70, no. 10 (2014): 32–36. http://dx.doi.org/10.1002/j.1941-9635.2014.tb01266.x.

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YACU, W. A. "MODELING A TWIN SCREW CO-ROTATING EXTRUDER." Journal of Food Process Engineering 8, no. 1 (1985): 1–21. http://dx.doi.org/10.1111/j.1745-4530.1985.tb00095.x.

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Lewandowski, Adrian, and Krzysztof Wilczyński. "Computer modeling for polymer processing co-rotating twin screw extrusion – nonconventional screw configurations." Mechanik 90, no. 4 (2017): 282–87. http://dx.doi.org/10.17814/mechanik.2017.4.47.

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Computer modeling of co-rotating twin screw extrusion with the use of nonconventional screw configurations has been presented. The polymer flow in the co-rotating twin screw extruder has been described. Some examples of three-dimensional, non-Newtonian modeling are shown. CFD generally oriented software ANSYS Polyflow has been used for modeling.
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Liang, Chang, Bing Luo, and Kui Sheng Wang. "Non-Isothermal Simulation of Melting Process in Twin Screw Extruder Based on Two Typical Screw Configurations." Applied Mechanics and Materials 130-134 (October 2011): 2273–79. http://dx.doi.org/10.4028/www.scientific.net/amm.130-134.2273.

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In this study, heat transfer and melting process in a co-rotating twin screw extruder are studied based on two typical screw configurations, screw element and kneading blocks staggered 45°. In order to estimate the melting ability of two configurations quantitatively, FEM software, FLUENT is adopted to simulate the cases. It could be concluded that kneading blocks have higher temperature rise and more liquid fraction than screw element, and it takes less time and less distance for kneading blocks to finish melting. Simulation results also show that kneading blocks have more viscous dissipation
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Zhu, X. Z., Y. D. He, and G. Wang. "Effect of Dynamic Center Region on the Flow and Mixing Efficiency in a New Tri-Screw Extruder Using 3D Finite Element Modeling." International Journal of Rotating Machinery 2013 (2013): 1–12. http://dx.doi.org/10.1155/2013/258197.

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Three-dimensional finite element modeling of polymer melt flowing in a new co-rotating tri-screw extruder was established with mesh superposition technique. Based on the particle tracking technology, three typical particle trajectories in the tri-screw extruder were calculated using a 4th-order-Runge-Kutta method to study the dynamic motions of the particles. Then the flow visualizations in the local center region were carried out. Moreover, the dispersive, distributive and stretching mixing efficiencies of the tri-screw and twin-screw extruders were compared, respectively. The results show th
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Wang, G., X. Z. Zhu, and Chun Yi Sun. "Numerical Simulation of Mixing Performance of Intermeshing Co-Rotating Tri-Screw and Twin-Screw Extruders." Advanced Materials Research 468-471 (February 2012): 2211–14. http://dx.doi.org/10.4028/www.scientific.net/amr.468-471.2211.

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Parallel arranged tri-screw extruder (PATSE) is a new machine of polymer processing and first manufactured in recent years in China. Compared with the traditional twin-screw extruder, PATSE adds a screw, and added an intermeshing region. It is well known that material going though intermeshing region will acquire higher shear rate and stretching rate, which is beneficial to mixing processing. In order to know the mixing performance in cross-section for PATSE, polymer melt flow field simulation and mixing simulation were conducted on PATSE with 2D model and a Carreau flow model to evaluate velo
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McGuire, P. A., S. Blackburn, and E. M. Holt. "Twin-Screw Extrusion Modelling." Advances in Science and Technology 45 (October 2006): 436–41. http://dx.doi.org/10.4028/www.scientific.net/ast.45.436.

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A mathematical model has been derived to describe the pressure drop along the conveying and reverse sections of a partly full, fully intermeshing co-rotating twin-screw extruder. The model extends previous work on single screw extrusion, whereby the Benbow-Bridgwater model of paste rheology is combined with a force balance on a plug of paste. Experiments to verify the model have been carried out using a laboratory scale twin-screw extruder fitted with a hydraulic feeder and a modified barrel section allowing the collection of pressure data at numerous points along the extruder. Initial results
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Cao, Ying Han, and Jin Nan Chen. "Effect of Wall Conditions on PVC-R Co-Rotating Conical Twin-Screw Extrusion." Advanced Materials Research 314-316 (August 2011): 419–27. http://dx.doi.org/10.4028/www.scientific.net/amr.314-316.419.

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The effect of wall conditions on co-rotating conical twin-screw extrusion of rigid polyvinyl chloride (PVC-R) is studied. The relationship between the shear stress at the screw surface and the slip velocity of the flowing melt obeys Navier’s linear law. When the volumetric flow rate is 3.83×10-5 m3/s, the pressure difference between the entrance and exit of the metering section of co-rotating conical twin-screw extruder is calculated under different wall conditions by using the evolution technique in POLYFLOW. The 3D isothermal flow fields of PVC-R are also calculated. The results show that wh
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Dissertations / Theses on the topic "Twin screw co-rotating extruder"

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Rodriguez, Veloz Oscar Alberto. "The development of laminar morphology in a co-rotating twin screw extruder." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape11/PQDD_0026/MQ50656.pdf.

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Singh, D. P. "Flow and mixing studies in a co-rotating intermeshing twin screw extruder." Thesis, Brunel University, 1988. http://bura.brunel.ac.uk/handle/2438/5548.

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The basic understanding of mixing in the process of polymer melt extrusion by twin screw extruder is limited by their geometrical complexity and the interactions of the process parameters. Mixing and flow in a 100mm diameter, trapezoidal channeled, intermeshing co-rotating twin-screw extruder have been characterised by determination of residence time distribution (RTD) and of the paths taken by tracers added to the melt. The axial mixing and the effects of varius parameters on it were established by studying RTD using tracer techniques. As the tail of the distribution is of paramount importanc
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Elsey, Justin Rae. "Dynamic Modelling, Measurement and Control of Co-rotating Twin-Screw Extruders." University of Sydney. Department of Chemical Engineering, 2003. http://hdl.handle.net/2123/687.

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Co-rotating twin-screw extruders are unique and versatile machines that are used widely in the plastics and food processing industries. Due to the large number of operating variables and design parameters available for manipulation and the complex interactions between them, it cannot be claimed that these extruders are currently being optimally utilised. The most significant improvement to the field of twin-screw extrusion would be through the provision of a generally applicable dynamic process model that is both computationally inexpensive and accurate. This would enable product design, proce
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Schuler, Werner. "Process engineering design of co-rotating twin screw extruders." Thesis, Swansea University, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.572814.

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The intention of the work was to develop easy to use technical design methods which are helpful for the daily work of the process engineer, and which also describe the operating behaviour of both the whole extruder and the individual processing sections. This goal was achieved by developing new models or the further developing of existing models. The examination of the developed models by trials and on production lines showed good accuracy of the models. The following models, which are developed in the present work, are of particular interest for the technical design of extruders: • Simple mod
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Ess, J. W. "Characterization of dispersive and distributive mixing in a co-rotating twin-screw compounding extruder." Thesis, Brunel University, 1989. http://bura.brunel.ac.uk/handle/2438/5239.

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A new design of closely intermeshing co-rotating twin-screw compounding extruder, developed at Brunel University, has been utilized in the development of quantitative techniques for characterization of dispersive and distributive mixing in thermoplastics materials prepared by extrusion compounding. Image analysis procedures were used to quantify mixing of polypropylene composites containing calcium carbonate filler using reflected light microscopy on polished surfaces, and transmitted light microscopy of microtomed pigmented sections. Stereological statistics have been applied to raw sample da
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Ban, Kyunha. "Mechanism and Significance of Slip and New Mixing Elements During Flow in Modular Intermeshing Co-Rotating Twin Screw Extruders." University of Akron / OhioLINK, 2008. http://rave.ohiolink.edu/etdc/view?acc_num=akron1218132059.

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Bruce, David P. "Flow field analysis of some mixing and conveying screw element regions, within a closely intermeshing, co-rotating twin-screw extruder." Thesis, Aston University, 1997. http://publications.aston.ac.uk/9602/.

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Grafting of antioxidants and other modifiers onto polymers by reactive extrusion, has been performed successfully by the Polymer Processing and Performance Group at Aston University. Traditionally the optimum conditions for the grafting process have been established within a Brabender internal mixer. Transfer of this batch process to a continuous processor, such as an extruder, has, typically, been empirical. To have more confidence in the success of direct transfer of the process requires knowledge of, and comparison between, residence times, mixing intensities, shear rates and flow regimes i
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Hojabr, Sassan. "Mathematical modeling and process investigation of melt grafting reactions in an intermeshing co-rotating twin screw extruder." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/tape17/PQDD_0004/NQ27829.pdf.

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Bumm, Sug Hun. "Mixing Studies and Simulation of Compounding Chopped Fiber and Silica Filler into Thermoplastics in a Modular Co-Rotating Twin Screw Extruder." University of Akron / OhioLINK, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=akron1271956146.

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Lai-F. "Melt conveying in counter-rotating twin-screw extruders." Thesis, Imperial College London, 1985. http://hdl.handle.net/10044/1/37751.

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Books on the topic "Twin screw co-rotating extruder"

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Kohlgrüber, Klemens, ed. Co-Rotating Twin-Screw Extruder. Carl Hanser Verlag GmbH & Co. KG, 2007. http://dx.doi.org/10.3139/9783446433410.

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Shah, Khalid H. Reactive polymerisation of caprolactam in a co-rotating intermeshing twin screw extruder. Brunel University, 1992.

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Singh, Devendra Pal. Flow and mixing studies in a co-rotating intermeshing twin screw extruder. Brunel University, 1988.

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Michael, Bierdel, ed. Co-rotating twin-screw extruders: Fundamentals, technology, and applications. Carl Hanser Publishers, 2008.

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Orchard, Stephen Frederick. Reactive extrusion: The use of a co-rotating, intermeshing twin-screw extruder to perform catalytic hydrogenation of soya bean oil using immobilised and slurry catalysts. University of Birmingham, 1998.

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Ess, John William. Characterization of dispersive and distributive mixing in a co-rotating twin-screw compounding extractor. Brunel University, 1989.

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Wang, Y. Compounding in Co-rotating Twin-screw Extruders: Review Reports. Rapra Technology, 2000.

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Book chapters on the topic "Twin screw co-rotating extruder"

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Sämann, Hans-Joachim. "Screw Elements for Co-rotating, Closely Intermeshing, Twin-Screw Extruders." In Co-Rotating Twin-Screw Extruder. Carl Hanser Verlag GmbH & Co. KG, 2007. http://dx.doi.org/10.3139/9783446433410.012.

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Bierdel, Michael. "Overview of Patented Screw Elements." In Co-Rotating Twin-Screw Extruder. Carl Hanser Verlag GmbH & Co. KG, 2007. http://dx.doi.org/10.3139/9783446433410.013.

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Kohlgrüber, Klemens. "Introduction." In Co-Rotating Twin-Screw Extruder. Carl Hanser Verlag GmbH & Co. KG, 2007. http://dx.doi.org/10.3139/9783446433410.001.

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Ullrich, Martin. "Historical Development of Co-Rotating Twin Screw Extruders." In Co-Rotating Twin-Screw Extruder. Carl Hanser Verlag GmbH & Co. KG, 2007. http://dx.doi.org/10.3139/9783446433410.002.

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Hepperle, Jens. "Rheological Properties of Polymer Melts." In Co-Rotating Twin-Screw Extruder. Carl Hanser Verlag GmbH & Co. KG, 2007. http://dx.doi.org/10.3139/9783446433410.003.

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Rudolf, Reiner. "General Overview of the Compounding Process: Tasks, Selected Applications, and Process Zones." In Co-Rotating Twin-Screw Extruder. Carl Hanser Verlag GmbH & Co. KG, 2007. http://dx.doi.org/10.3139/9783446433410.004.

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König, Thomas. "Geometry of the Co-Rotating Extruders: Conveying, and Kneading Elements." In Co-Rotating Twin-Screw Extruder. Carl Hanser Verlag GmbH & Co. KG, 2007. http://dx.doi.org/10.3139/9783446433410.005.

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Kohlgrüber, Klemens. "Modeling: Possibilities and Limitations." In Co-Rotating Twin-Screw Extruder. Carl Hanser Verlag GmbH & Co. KG, 2007. http://dx.doi.org/10.3139/9783446433410.006.

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Liesenfelder, Ulrich. "Pressure Generation and Energy Input in the Melt." In Co-Rotating Twin-Screw Extruder. Carl Hanser Verlag GmbH & Co. KG, 2007. http://dx.doi.org/10.3139/9783446433410.007.

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Bierdel, Michael. "Computational Fluid Dynamics." In Co-Rotating Twin-Screw Extruder. Carl Hanser Verlag GmbH & Co. KG, 2007. http://dx.doi.org/10.3139/9783446433410.008.

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Conference papers on the topic "Twin screw co-rotating extruder"

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Matsumoto, Koki, Natsuki Kayamori, Tatsuya Tanaka, and Yoshihiko Arao. "The optimization of Blister Disk geometry for mixing performance in co-rotating twin-screw extruder." In PROCEEDINGS OF PPS-30: The 30th International Conference of the Polymer Processing Society – Conference Papers. AIP Publishing LLC, 2015. http://dx.doi.org/10.1063/1.4918386.

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Weigang Wen and Huijuan Jia. "Optimization design of gear system in co-rotating twin screw extruder based on Pareto-rank." In International Conference on Advanced Technology of Design and Manufacture (ATDM 2010). IET, 2010. http://dx.doi.org/10.1049/cp.2010.1252.

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Silveira, Zilda de Castro, and Joaquim Manoel Justino Netto. "ON THE DESIGN AND TECHNOLOGY OF CO-ROTATING TWIN SCREW EXTRUDERS." In Congresso Brasileiro de Engenharia de Fabricação. ABCM, 2017. http://dx.doi.org/10.26678/abcm.cobef2017.cof2017-0017.

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Teixeira, C., R. Faria, J. A. Covas, and A. Gaspar-Cunha. "Modelling Flow and Heat Transfer in Co-Rotating Twin-Screw Extruders." In 10TH ESAFORM CONFERENCE ON MATERIAL FORMING. AIP, 2007. http://dx.doi.org/10.1063/1.2729637.

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Teixeira, C., R. Faria, J. A. Covas, and A. Gaspar-Cunha. "Modelling Flow and Heat Transfer in Co-Rotating Twin-Screw Extruders." In 10TH ESAFORM CONFERENCE ON MATERIAL FORMING. AIP, 2007. http://dx.doi.org/10.1063/1.2729641.

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Lepschi, Alexander, Gregor Gerstorfer, and Jürgen Miethlinger. "Determining the residence time distribution of various screw elements in a co-rotating twin-screw extruder by means of fluorescence spectroscopy." In PROCEEDINGS OF PPS-30: The 30th International Conference of the Polymer Processing Society – Conference Papers. AIP Publishing LLC, 2015. http://dx.doi.org/10.1063/1.4918385.

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Xiuqing, Ma, Zhai Wenbin, and Liu Min. "Influence of novel screw elements on the reactive extrusion of low density polyethylene grafted with maleic anhydride in co-rotating twin screw extruder." In MATERIALS CHARACTERIZATION USING X-RAYS AND RELATED TECHNIQUES. Author(s), 2019. http://dx.doi.org/10.1063/1.5088308.

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Herken, T., N. Fecke, and V. Schöppner. "Experimental analysis of the material degradation of PET on a co-rotating twin-screw extruder for varying vacuum pressures." In PROCEEDINGS OF PPS-30: The 30th International Conference of the Polymer Processing Society – Conference Papers. AIP Publishing LLC, 2015. http://dx.doi.org/10.1063/1.4918382.

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Pachner, Sophie, and Jürgen Miethlinger. "Smart data analysis for optimized manufacturing of powder coatings on co-rotating twin screw extruders." In PROCEEDINGS OF THE EUROPE/AFRICA CONFERENCE DRESDEN 2017 – POLYMER PROCESSING SOCIETY PPS. Author(s), 2019. http://dx.doi.org/10.1063/1.5084854.

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Lepschi, A., I. Burzic, L. Sobczak, and J. Miethlinger. "Fiber length shortening and fluorescence spectroscopy as characterization method for distributive and dispersive mixing in a co-rotating twin screw extruder." In PROCEEDINGS OF THE REGIONAL CONFERENCE GRAZ 2015 – POLYMER PROCESSING SOCIETY PPS: Conference Papers. Author(s), 2016. http://dx.doi.org/10.1063/1.4965488.

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Reports on the topic "Twin screw co-rotating extruder"

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Kalyon, Dilhan M. Continuous Processing of Solid Propellants in Co-Rotating Twin Screw Extruders. Defense Technical Information Center, 1995. http://dx.doi.org/10.21236/ada311920.

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