Sustainable Approaches for Carbon Powder-Filled ABS: A Comparative Study of Injection Moulding and Fused Filament Fabrication Technologies
Vojtech Senkerik, Ales Mizera, Pavel Stoklasek, Lucie Svacinova, Lovre Krstulovic-Opara, Michaela Karhankova, Lukas Miskarik, Petra Bagavac, Miroslav Manas
TL;DR
This study compares injection moulding and 3D printing for recycling ABS plastic with carbon powder, finding that both methods can produce strong materials suitable for reuse.
Contribution
The study demonstrates the feasibility of recycling ABS+carbon powder composites using injection moulding and FFF, with improved mechanical properties after recycling.
Findings
ABS+1.5 wt.% CP composites showed a 3% increase in tensile strength and 15% increase in elastic modulus after re-injection moulding.
FFF reprocessing of ABS+1.5 wt.% CP resulted in 12% higher tensile strength and 27% higher elastic modulus compared to virgin ABS.
Recycled ABS+CP composites maintain structural integrity and offer a granite-like appearance suitable for structural and decorative applications.
Abstract
The recycling of polymer composites remains a significant challenge due to both technical and economic obstacles. This study investigates the recycling potential of acrylonitrile butadiene styrene (ABS) composites filled with carbon powder (CP), employing injection moulding and fused filament fabrication (FFF) technologies. Laboratory-based experiments were conducted using ABS reinforced with 0.5, 1.0, and 1.5 wt.% CP to explore the tensile properties of mechanically recycled ABS+CP composites. The results indicate that CP addition positively influences tensile behaviour and that the ABS+CP composite maintains both tensile strength and stiffness after repeated processing. A concentration of 1.5 wt.% CP proved to be the optimal filler amount. The results for re-injection-moulded ABS + 1.5 wt.% CP demonstrate enhancements in tensile strength of approximately 3% and elastic modulus of…
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Taxonomy
TopicsAdditive Manufacturing and 3D Printing Technologies · Innovations in Concrete and Construction Materials · Manufacturing Process and Optimization