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Nano metal oxide (CuO/Co3O4) based feed stock filament for FDM.

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Title: Nano metal oxide (CuO/Co3O4) based feed stock filament for FDM.
Authors: Uma, K.1 (AUTHOR) uma_nithen@yahoo.com, Senthilkumar, G.2 (AUTHOR), Balamurugan, K.3 (AUTHOR)
Source: Journal of Mechanical Science & Technology. Sep2023, Vol. 37 Issue 9, p4817-4823. 7p.
Subjects: Acrylonitrile butadiene styrene resins, Fused deposition modeling, Fibers, Metallic oxides, Filler metal, Machine performance, Tensile strength, Copper oxide
Abstract: The applications of fused deposition modelling (FDM) are stretched widely by making functional parts. Metal oxides-based polymer nano composites have great potential to develop those functional parts. The intention of this work is to recognize the appropriate metal oxide filler and level of its loading in composite filament which is compatible for FDM by analyzing their tensile and metal flow properties. Filaments were synthesized by taking acrylonitrile butadiene styrene (ABS) as common matrix material and two metal oxides such as copper oxide (CuO) and cobalt oxide (Co3O4) were taken as fillers with 0.5, 1.0, 1.5 and 2.0 wt.% of loading. The composite filaments were fabricated using a single screw extruder after compounding in a twin screw extruder. Totally, nine filaments of diameter 1.75±0.1 mm were extruded and all the samples were characterized by tensile strength and metal flow index measures. An increased pattern of tensile strength and decreased trend of % elongation (%EL) and metal flow index (MFI) values were noticed for increased filler loading for both fillers. When considering ABS as a reference material, CuO shows better results compared to Co3O4. Even though Co3O4 shows high tensile strength, its %EL and MFI values were not good. At 1 wt% loading of CuO, tensile strength increased up to 46 %, MFI and % elongation values were reduced slightly as 19 % and 20 % from ABS. Further addition of nanoparticles improved tensile strength, but %EL and MFI values decreased drastically. Hence, the promising filler and filler loading were concluded as CuO with 1 wt% loading, which may be considered as suitable material for making blades and impellers in hydro dynamic machinery to improve their performance. [ABSTRACT FROM AUTHOR]
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Database: Engineering Source
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Abstract:The applications of fused deposition modelling (FDM) are stretched widely by making functional parts. Metal oxides-based polymer nano composites have great potential to develop those functional parts. The intention of this work is to recognize the appropriate metal oxide filler and level of its loading in composite filament which is compatible for FDM by analyzing their tensile and metal flow properties. Filaments were synthesized by taking acrylonitrile butadiene styrene (ABS) as common matrix material and two metal oxides such as copper oxide (CuO) and cobalt oxide (Co3O4) were taken as fillers with 0.5, 1.0, 1.5 and 2.0 wt.% of loading. The composite filaments were fabricated using a single screw extruder after compounding in a twin screw extruder. Totally, nine filaments of diameter 1.75±0.1 mm were extruded and all the samples were characterized by tensile strength and metal flow index measures. An increased pattern of tensile strength and decreased trend of % elongation (%EL) and metal flow index (MFI) values were noticed for increased filler loading for both fillers. When considering ABS as a reference material, CuO shows better results compared to Co3O4. Even though Co3O4 shows high tensile strength, its %EL and MFI values were not good. At 1 wt% loading of CuO, tensile strength increased up to 46 %, MFI and % elongation values were reduced slightly as 19 % and 20 % from ABS. Further addition of nanoparticles improved tensile strength, but %EL and MFI values decreased drastically. Hence, the promising filler and filler loading were concluded as CuO with 1 wt% loading, which may be considered as suitable material for making blades and impellers in hydro dynamic machinery to improve their performance. [ABSTRACT FROM AUTHOR]
ISSN:1738494X
DOI:10.1007/s12206-023-0834-6