Academic literature on the topic 'Plastics – Extrusion – Data processing'

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Journal articles on the topic "Plastics – Extrusion – Data processing"

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Limper, A., and D. Schramm. "Better Process Description for the Extrusion of Silica and Carbon Black Compounds." Rubber Chemistry and Technology 74, no. 5 (2001): 899–914. http://dx.doi.org/10.5254/1.3547660.

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Abstract In comparison to plastics processing, rubber processors handle a much more complex material. Due to active fillers used in rubber compounds, such as carbon black and silica, in some cases extraordinary filler/filler interactions occur. In general the multi-component system leads to a very complex rheological behavior. If silica compounds e.g. are processed the chemical modification of the filler surface (by organosilanes) has to be taken into account. By this the rheological behavior of the material changes dramatically. All these circumstances make rubber processing to a very complex
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Aour, Ben, Fahmi Zaïri, M. Naït-Abdelaziz, J. M. Gloaguen, and J. M. Lefebvre. "Analysis of Polypropylene Deformation in a 135° ECAE Die: Experiments and Three-Dimensional Finite Element Simulations." Key Engineering Materials 424 (December 2009): 71–78. http://dx.doi.org/10.4028/www.scientific.net/kem.424.71.

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Plastic deformation of polypropylene (PP) resulting from equal channel angular extrusion (ECAE) process was investigated in a 135° die. A phenomenological elastic-viscoplastic constitutive model was identified and coupled with the three-dimensional finite element (FE) method in order to predict the different processing parameters governing the deformation behaviour of PP during the extrusion. An optimal agreement between FE results and experimental data was obtained for a friction coefficient of 0.2. A detailed three-dimensional FE analysis of stress-strain field distribution was then carried
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Park, C. B., and N. P. Suh. "Rapid Polymer/Gas Solution Formation for Continuous Production of Microcellular Plastics." Journal of Manufacturing Science and Engineering 118, no. 4 (1996): 639–45. http://dx.doi.org/10.1115/1.2831079.

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An extrusion system that can create a polymer/gas solution rapidly for continuous processing of microcellular plastics is presented. Microcellular plastics are characterized by cell densities greater than 109 cells/cm3 and fully grown cells smaller than 10 μm. Previously these microcellular structures have been produced in a batch process by saturating a polymeric material with an inert gas under high pressure followed by inducing a rapid drop in the gas solubility. The diffusion phenomena encountered in this batch processing is typically slow, resulting in long cycle times. In order to produc
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Li, Xu Bin, and Zhi Min Zhang. "Study on Metal Flowing Law for Isothermal Extrusion Deformation of AZ31 Magnesium Alloy." Advanced Materials Research 314-316 (August 2011): 448–51. http://dx.doi.org/10.4028/www.scientific.net/amr.314-316.448.

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In this paper, rigid plastic finite element method simulation of AZ31 wrought magnesium alloy radiator isothermal extrusion is studied according to the stress - strain data of magnesium alloy obtained from isothermal compression experiments and the mathematical model of warm forming by the regression. And the paper focuses on the AZ31 magnesium alloy during isothermal extrusion, the deformation force and metal flowing law. The simulated stress field, strain field, velocity field, load changes and so on from simulation can predict the defect in deformation, and offer the reliable reference basi
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Hatami Sadr, M., and H. Jafarzadeh. "Characterization of AZ91 magnesium alloy processed by cyclic contraction/expansion extrusion using the experimental and micromechanical cellular automaton finite element approach." Proceedings of the Institution of Mechanical Engineers, Part L: Journal of Materials: Design and Applications 234, no. 11 (2020): 1417–30. http://dx.doi.org/10.1177/1464420720944194.

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The feasibility to fabricate ultra-fine-grained AZ91 Mg alloy is investigated with a newly presented severe plastic deformation method entitled cyclic contraction/expansion extrusion. In this method, an initial cylindrical AZ91 Mg billet is placed into a die and the moving punch causes the large deformations by extruding the material in two different regions entitled contraction and extrusion. The evolution of AZ91 microstructure and mechanical properties during cyclic contraction/expansion extrusion was studied through different experimental observations. The microstructure observations showe
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Razeghiyadaki, Amin, Dongming Wei, Asma Perveen, and Dichuan Zhang. "A Multi-Rheology Design Method of Sheeting Polymer Extrusion Dies Based on Flow Network and the Winter–Fritz Design Equation." Polymers 13, no. 12 (2021): 1924. http://dx.doi.org/10.3390/polym13121924.

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In the polymer sheet processing industry, the primary objective when designing a coat-hanger die is to achieve a uniform velocity distribution at the exit of the extrusion die outlet. This velocity distribution depends on the internal flow channels of the die, rheological parameters and extrusion process conditions. As a result, coat-hanger dies are often designed for each polymer based on its individual rheological data and other conditions. A multi-rheology method based on a flow network model and the Winter–Fritz equation is proposed and implemented for the calculation, design and optimizat
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Jie, Hu, and Ji Long Yin. "Knowledge Discovery and Management from Numerical Simulation and its Application to Robust Optimization of Extrusion-Forging Processing." Key Engineering Materials 340-341 (June 2007): 659–64. http://dx.doi.org/10.4028/www.scientific.net/kem.340-341.659.

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Numerical simulation technology has been used widely in plastic forming area. However, the simulation of increasingly complex forming process leads to the generation of vast quantities of data, which implies much useful knowledge. Consequently domain knowledge is very significant to product design and process development in metal plastic forming area. The paper presented a new robust optimization method based on knowledge discovery from numerical simulation. Firstly, the knowledge discovery model from numerical simulation is established. In this model, interval-based rule presentation is adopt
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Kallweit, Jan, Thomas Vad, Felix Krooß, Thomas Gries, Mohmmed Houri, and Christian-Alexander Bunge. "Structural Analysis of Melt-Spun Polymer-Optical Poly(Methyl Methacrylate) Fibres by Small-Angle X-ray Scattering and Monte-Carlo Simulation." Polymers 13, no. 5 (2021): 779. http://dx.doi.org/10.3390/polym13050779.

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The structural properties, mainly the spatial variation of density and chain interaction, of melt-spun polymer optical fibres (POFs) are investigated by small-angle X-ray scattering (SAXS) and compared to Monte-Carlo polymer simulations. The amorphous PMMA POFs had been subjected to a rapid cooling in a water quench right after extrusion in order to obtain a radial refractive-index profile. Four fibre samples with different processing parameters are investigated and the SAXS data analysed via Guinier approach. Distance-distribution functions from the respective equatorial and meridional SAXS d
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Pranoto, Hadi, Zainal Arifin, and Henry Carles. "Innovation Design and Development of PET Plastic Waste Processing Machines by Extruder Method." International Journal of Advanced Technology in Mechanical, Mechatronics and Materials 1, no. 3 (2021): 90–99. http://dx.doi.org/10.37869/ijatec.v1i3.32.

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According to the Ministry of Environment (KLH), Indonesia's average population produces 189 thousand tons of garbage per day. Of this amount, 15% is plastic waste or 28.4 thousand tons of plastic waste per day. The famous handling of plastic waste is 3R (Reduce, Reuse, Recycle). Reduce is reducing the purchase or use of goods made from plastic, especially disposable items. Reuse is the repeated use of plastic-based items. Recycle is recycling goods made of plastic. The method used in this design study is to use SolidWorks software by combining the literature study VDI221 to obtain a variant of
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Marschik, Christian, Wolfgang Roland, Marius Dörner, Georg Steinbichler, and Volker Schöppner. "Leakage-Flow Models for Screw Extruders." Polymers 13, no. 12 (2021): 1919. http://dx.doi.org/10.3390/polym13121919.

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Many theoretical analyses of extrusion ignore the effect of the flight clearance when predicting the pumping capability of a screw. This might be reasonable for conventional extruder screws with “normal” clearances but leads to errors when more advanced screw designs are considered. We present new leakage-flow models that allow the effect of the flight clearance to be included in the analysis of melt-conveying zones. Rather than directly correcting the drag and pressure flows, we derived regression models to predict locally the shear-thinning flow through the flight clearance. Using a hybrid m
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Dissertations / Theses on the topic "Plastics – Extrusion – Data processing"

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Handlos, Agnita A. "The processing of microcomposites based on polypropylene and two thermotropic liquid crystalline polymers in injection molding, sheet extrusion, and extrusion blow molding." Diss., This resource online, 1994. http://scholar.lib.vt.edu/theses/available/etd-06062008-164735/.

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林肖明 and Chiu-ming Lam. "Visualization studies on the dynamic processing characteristics of conventional full-flighted and barrier type single-screws." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2000. http://hub.hku.hk/bib/B31222845.

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Alemaskin, Kirill. "ENTROPIC MEASURES OF MIXING IN APPLICATION TO POLYMER PROCESSING." Case Western Reserve University School of Graduate Studies / OhioLINK, 2004. http://rave.ohiolink.edu/etdc/view?acc_num=case1098397260.

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Harris, Patrick James. "LAYERED POLYMERIC SYSTEMS:NEW PROCESSING METHODS AND NOVEL MECHANICAL DESIGN IN EXTENSIONAL RHEOLOGY." Case Western Reserve University School of Graduate Studies / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=case1410544432.

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錢桂生 and Kwai-sang Chin. "An expert product development system for plastic injection moulding parts." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1996. http://hub.hku.hk/bib/B31234732.

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Baena, Johanna. "PROCESSING AND KINETIC STUDIES OF THE REACTIVE BLENDS OF POLY(VINYL CHLORIDE) AND THERMOPLASTIC POLYURETHANES." University of Akron / OhioLINK, 2006. http://rave.ohiolink.edu/etdc/view?acc_num=akron1163727625.

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黃挺 and Teng Wong. "Slicing of 3D CAD models for mould design." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1998. http://hub.hku.hk/bib/B29875122.

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Davenport, George Andrew 1965. "A process control system for biomass liquefaction." Thesis, The University of Arizona, 1989. http://hdl.handle.net/10150/558114.

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Books on the topic "Plastics – Extrusion – Data processing"

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Extruding plastics: A practical processing handbook. Chapman & Hall, 1998.

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V, Rosato Dominick, ed. Plastics processing data handbook. Van Nostrand Reinhold, 1990.

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Rosato, Dominick V. Plastics processing data handbook. 2nd ed. Chapman & Hall, 1997.

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Rosato, Dominick V. Plastics processing data handbook. 2nd ed. Chapman & Hall, 1997.

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Rosato, Donald V., and Dominick V. Rosato. Plastics Processing Data Handbook. Springer Netherlands, 1990. http://dx.doi.org/10.1007/978-94-010-9658-4.

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Rosato, Donald V. Plastics Processing Data Handbook. Springer Netherlands, 1990.

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1947-, Rosato Donald V., ed. Plastics processing data handbook. Chapman & Hall, 1990.

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Barry, Haworth, and Batchelor Jim, eds. Physics of plastics: Processing, properties, and materials engineering. Hanser Publishers, 1992.

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Barry, Haworth, and Batchelor Jim, eds. Physics of plastics: Processing, properties and materials engineering. Hanser, 1992.

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Hermansen, Ralph D. Formulating plastics and elastomers by computer. Noyes Publications, 1991.

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Book chapters on the topic "Plastics – Extrusion – Data processing"

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Rosato, Donald V., and Dominick V. Rosato. "Extrusion." In Plastics Processing Data Handbook. Springer Netherlands, 1990. http://dx.doi.org/10.1007/978-94-010-9658-4_3.

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Rao, Natti, and Keith O'Brien. "Extrusion." In Design Data for Plastics Engineers. Carl Hanser Verlag GmbH & Co. KG, 1998. http://dx.doi.org/10.3139/9783446402447.007.

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Rosato, Dominick V., Donald V. Rosato, Marlene G. Rosato, and Nick R. Schott. "Extrusion." In Plastics Institute of America Plastics Engineering, Manufacturing & Data Handbook. Springer US, 2001. http://dx.doi.org/10.1007/978-1-4615-1615-6_11.

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Rao, Natti S. "Heat Transfer in Plastics Processing." In Diagnostics of Extrusion Processes. Carl Hanser Verlag GmbH & Co. KG, 2014. http://dx.doi.org/10.3139/9781569905692.007.

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Rosato, Donald V., and Dominick V. Rosato. "Reinforced Plastics/Composites." In Plastics Processing Data Handbook. Springer Netherlands, 1990. http://dx.doi.org/10.1007/978-94-010-9658-4_7.

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Dealy, John M., and Kurt F. Wissbrun. "Role of Rheology in Extrusion." In Melt Rheology and Its Role in Plastics Processing. Springer US, 1990. http://dx.doi.org/10.1007/978-1-4615-9738-4_14.

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Dealy, John M., and Kurt F. Wissbrun. "Role of Rheology in Extrusion." In Melt Rheology and Its Role in Plastics Processing. Springer Netherlands, 1999. http://dx.doi.org/10.1007/978-94-009-2163-4_14.

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Rosato, Donald V., and Dominick V. Rosato. "Overview of Processing Operations." In Plastics Processing Data Handbook. Springer Netherlands, 1990. http://dx.doi.org/10.1007/978-94-010-9658-4_1.

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Rosato, Donald V., and Dominick V. Rosato. "Summary." In Plastics Processing Data Handbook. Springer Netherlands, 1990. http://dx.doi.org/10.1007/978-94-010-9658-4_11.

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Rosato, Donald V., and Dominick V. Rosato. "Testing/Quality Control." In Plastics Processing Data Handbook. Springer Netherlands, 1990. http://dx.doi.org/10.1007/978-94-010-9658-4_10.

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Conference papers on the topic "Plastics – Extrusion – Data processing"

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Huang, Han-Xiong, and Dong Li. "Parison Dimension Prediction in Extrusion Blow Molding Using Neural Network Approach: A New Strategy." In ASME 2007 International Mechanical Engineering Congress and Exposition. ASMEDC, 2007. http://dx.doi.org/10.1115/imece2007-43934.

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As the plastics extrusion blow molded parts are getting more and more complex, it is necessary to optimize the parison dimension distribution. Predicting the parison dimension distribution is useful to optimize the thickness distribution and property of the final part. The dependency between parison dimensions and materials characteristics, processing conditions, and die geometry is a highly nonlinear and fully coupled one. In this work, diameter and thickness swells of the high-density polyethylene parison extruded under different flow rates were obtained by a well-designed experiment. The ob
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Lobarinhas, P. A. M., S. F. C. F. Teixeira, and J. C. F. Teixeira. "Development of an Experimental Facility to Test Polymer Extrusion." In ASME 2006 International Mechanical Engineering Congress and Exposition. ASMEDC, 2006. http://dx.doi.org/10.1115/imece2006-14428.

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A wide variety of plastic profiles are produced in extrusion lines, which are basically comprised by an extruder, a die and a calibrator. Because the initial cooling stages will determine the final quality of the extrudate, the study of the thermal modeling of the calibrator is of great interest. In this context the use of computational tools is becoming increasingly useful for the calibrator design and optimization. Therefore, reliable experimental data is of paramount relevance to validate thermal models. For that purpose, an experimental apparatus was set-up at the laboratory, which include
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Potnuru, Srikar, Susanta K. Sahoo, and Santosh K. Sahoo. "Combined Extrusion-Forging: Simulation, Experimental and Microscopic Investigation of Axisymmetric Single Collar Collet Chuck Holder." In ASME 2017 12th International Manufacturing Science and Engineering Conference collocated with the JSME/ASME 2017 6th International Conference on Materials and Processing. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/msec2017-2615.

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Combined Extrusion-Forging process is a renowned metal forming method which serves as a pathway for manufacturing components of complex design. In that context processing a component with better mechanical and metallurgical properties can be enhanced by severe plastic deformation which processes the fine-grained materials formation in the product. These fine-grained materials achieved by SPD makes the component with superior quality. The novelty of the concept is to validate the presence of fine-grained materials at lower ram displacement. This paper presents the estimated forming load, metal
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Nart, Cagri, Oktay Yilmaz, and Kadir Kirkkopru. "The Effects of Operating Conditions on the Design of Radial Spiral Mandrel Dies." In ASME 2011 International Mechanical Engineering Congress and Exposition. ASMEDC, 2011. http://dx.doi.org/10.1115/imece2011-65241.

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Coextrusion heads are widely used to produce multi-layered products such as pipes and vessels in plastics industry. Spiral mandrel dies which are used in coextrusion heads provide good thickness uniformity with a broad range of processing parameters (raw material, throughput, temperature), short residence times (material or colour changes), low pressure drop and good thermal control. In the present study, the effects of operating conditions such as production rate and temperature on the pressure drop through the spiral mandrel die and the occurence of melt fracture are investigated by Computat
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Basterfield, Robert A., Chris J. Lawrence, and Michael J. Adams. "Interpretation of Mechanical Testing Measurements for Pastes." In ASME 2002 International Mechanical Engineering Congress and Exposition. ASMEDC, 2002. http://dx.doi.org/10.1115/imece2002-33796.

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Pastes occur as intermediates or final product forms in many industrially important manufacturing sectors. The use of computer simulation techniques, such as the finite element method, is becoming more common in the design of paste processing operations. A major problem in the application of this approach is the development of sufficiently representative materials models. It has been established that pastes may be described as elasto-viscoplastic materials with the plastic flow being governed by the Herschel-Bulkley relationship. This paper describes the development of analytical and numerical
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Botos, J., N. Murail, P. Heidemeyer, et al. "Color measurement of plastics - From compounding via pelletizing, up to injection molding and extrusion." 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/10.1063/1.4873725.

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Huang, Han-Xiong, and Yan-Sheng Miao. "Hybrid Method for Modeling Parison Extrusion in Blow Molding." In ASME 2005 International Mechanical Engineering Congress and Exposition. ASMEDC, 2005. http://dx.doi.org/10.1115/imece2005-80347.

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As the third largest plastics processing technique, blow molding is one of the fastest growing industries worldwide. In this paper, a series of simulations on the parison formation in plastics extrusion blow molding were implemented using finite element method. Then a neural network model was developed based on the numerical results. The effects of the extrusion die inclination angle, die gap, and parison length on the parison swells can be predicted using the network model. The hybrid method combining the finite element and neural network can shorten the time for the predictions drastically.
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Tootooni, M. Samie, Ashley Dsouza, Ryan Donovan, Prahalad K. Rao, Zhenyu (James) Kong, and Peter Borgesen. "Assessing the Geometric Integrity of Additive Manufactured Parts From Point Cloud Data Using Spectral Graph Theoretic Sparse Representation-Based Classification." In ASME 2017 12th International Manufacturing Science and Engineering Conference collocated with the JSME/ASME 2017 6th International Conference on Materials and Processing. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/msec2017-2794.

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This work proposes a novel approach for geometric integrity assessment of additive manufactured (AM, 3D printed) components, exemplified by acrylonitrile butadiene styrene (ABS) polymer parts made using fused filament fabrication (FFF) process. The following two research questions are addressed in this paper: (1) what is the effect of FFF process parameters, specifically, infill percentage (If) and extrusion temperature (Te) on geometric integrity of ABS parts?; and (2) what approach is required to differentiate AM parts with respect to their geometric integrity based on sparse sampling from a
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Ottnad, Thomas, Franz Irlinger, and Tim C. Lueth. "Redesign of a Test Environment for an Elastic Mechanism for Usage as Pressure Sensor Element." In ASME 2012 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/imece2012-86115.

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When dealing with plastics producing techniques such as injection molding and extrusion control of pressure is a decisive parameter influencing the quality and reproducibility of plastics products. Different types of pressure sensors are commonly used which most often transform mechanical deformation into electrical signals and these in turn are converted into the value of pressure. In some cases separate pressure chambers might be necessary, often the pressure range is limited, and usage of electrical components lead to constraints concerning temperature range. This in turn means extensive ef
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Alafaghani, Ala’aldin, Ala Qattawi, Julia Truong, Md Shah Jaman, and Jian-Qiao Sun. "Optimizing Fused Deposition Modeling Processing Parameters Using Response Surface Method for Strong Parts." In ASME 2020 15th International Manufacturing Science and Engineering Conference. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/msec2020-8528.

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Abstract Optimizing the processing parameters of fused deposition modeling is a challenging task due to the significant number of factors that influence the quality of the fabricated parts. Therefore, optimizing the dimensional accuracy, surface roughness, or mechanical properties usually requires a considerable amount of test samples. In the presented work, the design of experiments approach was used to minimize the number of tests needed to optimize the factors. Most of the work available in literature did not investigate the interactions between the factors or their second-order effects on
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Reports on the topic "Plastics – Extrusion – Data processing"

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R. Will Grimes, Norman Merriam, L.J. Fahy, et al. 1.PRELIMINARY EVALUATION OF A PROCESS USING PLASMA REACTIONS TO DESULFURIZE HEAVY OILS; 2.PROCESS SUPPORT AND DEVELOPMENT FOR COMPCOAL; 3.MISCIBLE/IMMISCIBLE GAS INJECTION PROCESSES; 4.COMPCOAL: A PROFITABLE PROCESS FOR PRODUCTION OF A STABLE HIGH-BTU FUEL FROM POWDER RIVER BASIN COAL; 5.EVALUATION OF ALTERNATE FREE RADICAL INITIATORS FOR HEAVY OIL/PLASTICS CO-PROCESSING; 6.DEVELOPMENT OF AN ON-LINE ALKALI MONITORING PROBE; 7.DEVELOPMENT OF A PORTABLE DATA ACQUISITION SYSTEM; 8.BENCH-SCALE TESTING AND VERIFICATION OF PYROLYSIS CONCEPT FOR REMEDIATION OF TANK BOTTOMS; 9.HAZ-FLOTE: EX-SITU DECONTAMINATION OF MATERIALS; 10.IN-SITU AMELIORATION OF ACID MINE DRAINAGE PROBLEMS; 11.THE SYNAG PROCESS: COAL COMBUSTION ASH MANAGEMENT OPTION; 12.CONDITIONING AND HYDRATION REACTIONS ASSOCIATED WITH CLEAN COAL TECHNOLOGY ASH DISPOSAL/HYDRATION. Office of Scientific and Technical Information (OSTI), 1999. http://dx.doi.org/10.2172/767235.

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