On Mechanical Properties of 3D-Printed Secondary Recycled Acrylonitrile Butadiene Styrene Composite for Silencer Application in Short-Range Gun

Singh, Gulraj; Brar, Gurinder Singh; Singh, Rupinder

doi:10.1007/s11665-023-08684-w

Cited by 1 publication

(1 citation statement)

References 28 publications

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“…Hence, to improve the performance of recycled thermoplastic 3D printing material, several methods have been adopted such as polymer blending (Mishra et al , 2023c, 2023d), use of natural/synthetic filler and short/continuous fiber reinforcement. Reinforcements like recycled rubber (Badini et al , 2024), graphene, silica-alumina (Bedi et al , 2018; Singh et al , 2018, 2019), titanium oxide, metal powders, melamine formaldehyde (MF) (Singh et al , 2023), Bakelite (Singh et al , 2019), wood dust (Chawla et al , 2020), rice husk (Morales et al , 2021), bio-char (Idrees et al , 2018), aluminum powder (Kumar et al , 2023c), clothing fibers (Carrete et al , 2021) and many more were mixed in nano/micro size with thermoplastic waste to enhance the physical, mechanical, thermal and structural properties of FDM built parts. Short fibers (synthetic and natural) were added to extrude composite filament, which is required by specialized and expensive FDM machines like Markforge and Prusa.…”

Section: Introductionmentioning

confidence: 99%

Utilizing in-nozzle impregnation for enhancing the strength of recycled PET-derived 3D printed continuous banana fiber reinforced bio-composites

Ror,

Mishra,

Negi

et al. 2024

RPJ

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Purpose This study aims to evaluate the potential of using the in-nozzle impregnation approach to reuse recycled PET (RPET) to develop continuous banana fiber (CBF) reinforced bio-composites. The mechanical properties and fracture morphology behavior are evaluated to establish the relationships between layer spacing–microstructural characteristics–mechanical properties of CBF/RPET composite. Design/methodology/approach This study uses RPET filament developed from post-consumer PET bottles and CBF extracted from agricultural waste banana sap. RPET serves as the matrix material, while CBF acts as the reinforcement. The test specimens were fabricated using a customized fused deposition modeling 3D printer. In this process, customized 3D printer heads were used, which have a unique capability to extrude and deposit print fibers consisting of a CBF core coated with an RPET matrix. The tensile and flexural samples were 3D printed at varying layer spacing. Findings The Young’s modulus (E), yield strength (sy) and ultimate tensile strength of the CBF/RPET sample fabricated with 0.7 mm layer spacing are 1.9 times, 1.25 times and 1.8 times greater than neat RPET, respectively. Similarly, the flexural test results showed that the flexural strength of the CBF/RPET sample fabricated at 0.6 mm layer spacing was 47.52 ± 2.00 MPa, which was far greater than the flexural strength of the neat RPET sample (25.12 ± 1.94 MPa). Social implications This study holds significant social implications highlighting the growing environmental sustainability and plastic waste recycling concerns. The use of recycled PET material to develop 3D-printed sustainable structures may reduce resource consumption and encourages responsible production practices. Originality/value The key innovation lies in the concept of in-nozzle impregnation approach, where RPET is reinforced with CBF to develop a sustainable composite structure. CBF reinforcement has made RPET a superior, sustainable, environmentally friendly material that can reduce the reliance on virgin plastic material for 3D printing.

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