Review: Single Screw Extruder in Particulate Filler Composite

Ariffin, A.; Ahmad, Masyithah

doi:10.1080/03602559.2010.543228

Cited by 35 publications

(20 citation statements)

References 99 publications

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“…The state-of-the-art for composite modeling of screw processes was presented in some fundamental books, e.g., by White and Potente [4], Rauwendaal [8], and Agassant et al [11], as well as in some review papers, e.g., by Ariffin et al [207], Wilczynski et al [208], Teixeira et al [209], and Malik et al [183]. Single-screw extrusion, twin-screw extrusion, both co-rotating and counter-rotating, and injection molding were considered.…”

Section: Computer Models Of Extrusionmentioning

confidence: 99%

Fundamentals of Global Modeling for Polymer Extrusion

et al. 2019

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A review paper is presented on modeling for polymer extrusion for both single screw and twin-screw extrusion. An issue of global modeling is discussed, which includes modeling for solid conveying, melting, melt flow, and co-operation of the screw/die system. The classical approach to global modeling of the extrusion process, which is based on separate models for each section of the screw, i.e., solid transport section, melting and pre-melting sections, and the melt flow section is presented. In this case, the global model consists of the elementary models. A novel continuous concept of global modeling based on CFD (Computational Fluids Dynamics) computations is also presented, and a concept of using the DEM (Discrete Element Method) computation coupled with CFD computations is discussed.

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Section: Computer Models Of Extrusionmentioning

confidence: 99%

Fundamentals of Global Modeling for Polymer Extrusion

et al. 2019

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“…The state-of-the-art has been recently presented for extrusion of filled polymers by Ariffin and Ahmad (2011) as well as for modeling of screw processing of plastics by Wilczynski et al (2012a).…”

Section: Introductionmentioning

confidence: 99%

Experimental Study for Extrusion of Polypropylene/Wood Flour Composites

Wilczyński

Nastaj

Lewandowski

et al. 2015

International Polymer Processing

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Experimental studies have been carried out for single screw extrusion of PP/wood flour composite of different concentrations of wood flour. A \screw pull-out" technique was used for investigation of the material transport, melting and screw filling. The effect of the screw speed was investigated. It was concluded that WPC extrusion is substantially different from thermoplastics extrusion. Material transport and melting are strongly dependent on the WPC composition, and operating conditions. The contiguous solids melting mechanism CSM is not observed for WPC of high WF content; however, it may be observed for WPC of lower WF content, up to 50 % WF. Several steps of the process are distinguished: material compaction in the solid conveying section close to the active flight and then spreading to the rest of the material, melting which is strongly dependent on the material composition, and shear or plug flow with slipping at the walls in the melt conveying section.

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“…Up to the present, there is not any global model of WPC extrusion that would include solid conveying, melting, and melt flow. The state of the art of the extrusion of filled polymers has been recently discussed by Ariffin and Ahmad [21], and that of modeling of polymer extrusion by Wilczyński et al [22]. In this paper, modeling of single-screw extrusion of wood–plastic composites is discussed, and an original computer model of the process is proposed and validated experimentally.…”

Section: Introductionmentioning

confidence: 99%

Computer Modeling for Single-Screw Extrusion of Wood–Plastic Composites

et al. 2018

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Abstract:Experimental and theoretical studies have been performed on the single-screw extrusion of wood-plastics composites. Experimental research has been carried out on the flow and melting of polypropylene (PP)-based composites with different wood flour (WF) content in the single-screw extruder. Based on these experimental observations, elementary models of the process phenomena have been proposed and a global model of the process has been developed. This global computer model includes the models of solid conveying, melting dependent on the wood flour content, melt flow in the screw, and melt flow in the die. 3-D non-Newtonian finite element method (FEM) screw pumping characteristics have been applied to model the melt flow in the metering section of the screw. The model predicts the extrusion output, pressure and temperature profiles, melting profile, and power consumption. The model has been validated experimentally. An effect of material slip on the extruder operation has been discussed including both slipping in the screw/barrel surfaces and in the extruding die.

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Review: Single Screw Extruder in Particulate Filler Composite

Cited by 35 publications

References 99 publications

Fundamentals of Global Modeling for Polymer Extrusion

Fundamentals of Global Modeling for Polymer Extrusion

Experimental Study for Extrusion of Polypropylene/Wood Flour Composites

Computer Modeling for Single-Screw Extrusion of Wood–Plastic Composites

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