Mechanical, physical and thermal properties of polylactic acid filament composite reinforced with newly isolated Cryptostegia grandiflora fiber

U. Arumaiselvan, M. Kalimuthu, R. Nagarajan, M. Mohan, Sikiru O. Ismail, F. Mohammad , H. A. Al-Lohedan, Kumar Krishnan

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Abstract

By leveraging the properties of natural or plant fibers and possibilities through three-dimensional (3D) printing technology, a composite filament was fabricated by incorporating newly isolated Cryptostegia grandiflora fiber (CGF), as a reinforcement with polylactic acid (PLA) by using a twin-screw extruder. The fabricated composite filament and pure PLA filament were 3D-printed, using fused deposition modeling (FDM). This study investigated the mechanical, physical, and thermal properties of the 3D-printed CGF reinforced composite filament samples. The mechanical properties of the samples fabricated with 10 wt% CGF were better than that of samples with pure PLA. In addition, impact, tensile, flexural strengths and hardness were increased by 35.6, 33.6, 14.1, and 1.7%, respectively, when compared with the sample with pure PLA. The fractured surface morphology of tensile samples showed a uniform distribution of CGF within the PLA. The addition of CGF improved the thermal stability of the 3D-printed CGF/PLA composite sample by 15%. Therefore, the printed structure could serve as an alternative material for various uses, considering contemporary concepts of sustainability, availability, environmental friendliness, and cost effectiveness.
Original languageEnglish
Pages (from-to)3740-3754
Number of pages14
JournalBioResources
Volume19
Issue number2
DOIs
Publication statusPublished - 25 Apr 2024

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