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Materials 2017, 10(8), 881;

Investigations for Thermal and Electrical Conductivity of ABS-Graphene Blended Prototypes

Department of Production Engineering, Guru Nanak Dev Engineering College, Ludhiana 141006, India
Department of Engineering, University of Salerno, 84084 Fisciano, Italy
Department of Engineering, University of Naples Parthenope, 80143 Naples, Italy
Author to whom correspondence should be addressed.
Received: 2 July 2017 / Revised: 16 July 2017 / Accepted: 25 July 2017 / Published: 31 July 2017
(This article belongs to the Special Issue Recycled Materials, Eco-design and 3D Printing)
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The thermoplastic materials such as acrylonitrile-butadiene-styrene (ABS) and Nylon have large applications in three-dimensional printing of functional/non-functional prototypes. Usually these polymer-based prototypes are lacking in thermal and electrical conductivity. Graphene (Gr) has attracted impressive enthusiasm in the recent past due to its natural mechanical, thermal, and electrical properties. This paper presents the step by step procedure (as a case study) for development of an in-house ABS-Gr blended composite feedstock filament for fused deposition modelling (FDM) applications. The feedstock filament has been prepared by two different methods (mechanical and chemical mixing). For mechanical mixing, a twin screw extrusion (TSE) process has been used, and for chemical mixing, the composite of Gr in an ABS matrix has been set by chemical dissolution, followed by mechanical blending through TSE. Finally, the electrical and thermal conductivity of functional prototypes prepared from composite feedstock filaments have been optimized. View Full-Text
Keywords: thermal conductivity; electrical conductivity; FDM; graphene; ABS thermal conductivity; electrical conductivity; FDM; graphene; ABS

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Singh, R.; Sandhu, G.S.; Penna, R.; Farina, I. Investigations for Thermal and Electrical Conductivity of ABS-Graphene Blended Prototypes. Materials 2017, 10, 881.

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