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Rheological Properties of a Particulate-Filled Polymeric Composite through Fused Deposition Process

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Abstract:

This paper presents an investigation on rheological properties of a new ABS (acrylonitrile-butadiene-styrene)-Iron composite for application in Fused Deposition Modelling rapid prototyping process. Test samples of ABS-Iron composites have been made by controlled centrifugal mixing and thermal compounding through a single-screw extruder and compression moulding. Rheological characterization was conducted using a capillary rheometer by measuring pressure drop at the die while varying the extrusion speed. Apparent shear rate and shear stress as well as viscosity of the melts were calculated. Modulated differential-scanning calorimetry (MDSC) techniques were used in order to characterize viscoelastic properties of these newly developed composites materials. Non-Newtonian behaviour of the composite melt has shown to follow a cross model of shear thinning characteristics.

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Periodical:

Materials Science Forum (Volumes 654-656)

Pages:

2471-2474

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.654-656.2471

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Online since:

June 2010

Authors:

Mostafa Nikzad, Syed H. Masood, Igor Sbarski, Andrew M. Groth

Keywords:

ABS Plastic, Fused Deposition Modeling (FDM), Rheology, Shear Rate, Viscosity

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© 2010 Trans Tech Publications Ltd. All Rights Reserved

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