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      EFFECTS OF FUNCTIONAL FILLERS IN THE MECHANICAL PROPERTIES OF 3D-PRINTED POLYLACTIC ACID USING FUSED DEPOSITION MODELLING

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            Abstract

            Polylactic acid (PLA) has increasingly attracted research in various industrial fields due to its great biocompatibility and sustainability over other thermoplastics, which are widely used as filament feedstock in 3D-printing technology, specifically in Fused Deposition Modelling (FDM). Despite PLA being suitable in FDM processing, it has limitations in applications that need plastic deformation at high-stress levels due to its low strength and ductility. For this purpose, this review article discusses the existing studies that involve the incorporation of fillers in 3D-printed polylactic acid to maximize its functionality, which is non-attainable by the pure filament material alone. An overview of polylactic acid in FDM and the properties and effects of functional fillers of different types are presented. Finally, a complete table of which functional fillers are categorized (carbonaceous, metallic, ceramic and glassy, plant-based, and mineral) summarizes the reported comparison of 3D-printed pure PLA and the composite, scoping to reveal the mechanical modifications of each filler.

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            Author and article information

            Journal
            ScienceOpen Preprints
            ScienceOpen
            26 May 2022
            Affiliations
            [1 ] Ateneo de Davao University, Davao City, Philippines
            Author notes
            Article
            10.14293/S2199-1006.1.SOR-.PPJZTVP.v2
            82e91604-0ccd-414a-8055-23ca96e42cf0

            This work has been published open access under Creative Commons Attribution License CC BY 4.0 , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. Conditions, terms of use and publishing policy can be found at www.scienceopen.com .


            All data generated or analysed during this study are included in this published article (and its supplementary information files).
            Chemistry,Engineering,Materials science
            Polylactic Acid,Fused Deposition Modelling,3D-Printing,Fillers

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