Development of 3D printing raw materials from plastic waste

Oussai, Alaeddine; Kátai, László; Bártfai, Zoltán

doi:10.17676/hae.2020.37.34

Cited by 4 publications

(1 citation statement)

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“…204,205 The recycled PLA and resin used in FDM, DLP, and SLA printing demonstrated that there are no major differences in their qualities, as well as maintaining a reduction in CO 2 emissions and environmental safety. [206][207][208]…”

Section: Recycling Of Materialsmentioning

confidence: 99%

Designs, advancements, and applications of three-dimensional printed gyroid structures: A review

Chouhan

Murali

2023

Proceedings of the Institution of Mechanical Engineers, Part E:

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Lattice structures play a key role in influencing the mechanical and thermal properties of many applications. Knowing the importance of lattice structure and its influence on mechanical and thermal properties, this article discussed the triply periodic minimal surface-based gyroid shapes, their design, manufacturability, and difficulties while printing with the additive manufacturing process. This review also emphasizes the impact of changing the structure and additive manufacturing process parameters like porosity, wall thickness, unit cell size, infill, and gradient ratio on the mechanical and thermal properties of the printed parts. This study discussed the advantages and disadvantages of replacing conventional structures with bio-inspired gyroid structures and their effects on mechanical and thermal properties. This review also brought a comparative study between gyroid and other existing lattice structures in terms of mechanical and thermal properties and suggestions are been made to use gyroid shapes compared to existing lattice structures for improved thermal mechanical for different applications like biomedical, structural, and heat transfer fields. In this review article, a multitude of research areas could help the researcher to easily decide the appropriate application-based gyroid structure.

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Section: Recycling Of Materialsmentioning

confidence: 99%

Designs, advancements, and applications of three-dimensional printed gyroid structures: A review

Chouhan

Murali

2023

Proceedings of the Institution of Mechanical Engineers, Part E:

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FDM-based additive manufacturing of recycled thermoplastics and associated composites

Mishra

Negi

Kar

2023

J Mater Cycles Waste Manag

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Hailed since the fourth industrial revolution, three-dimensional (3D) printing or additive manufacturing (AM) has been extensively implemented in various manufacturing sectors. This process is popular for generating regular products and incorporating innovative designs into the components like auxetic structures, such as fabrication of engineering products, customized implants and sophisticated biomedical devices. Over the years, one of the interesting outputs of this emerging technology is the reuse of waste thermoplastic materials to produce competent products through the fused deposition modeling (FDM) technique. The strength of FDM components produced from thermoplastic waste is lower than that of virgin plastic FDM counterparts. So, there is a need to understand the significant changes in the recycled thermoplastic material during subsequent extrusions, which are chain scission, change in viscosity and breaking strength. The use of additives has been a promising solution to improve the performance of recycled material for 3D printing applications. Hence, this study aims to provide an overview of reusing plastic waste through FDM-based 3D printing. This review summarizes the current knowledge about the effect of processing on thermo-mechanical properties of recycled plastic FDM parts and the use of various additives to improve the overall quality. In addition, two case studies from open literature have been demonstrated to explain the use of FDM and associated technology for plastic recycling.

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Circular closed-loop supply chain network design considering 3D printing and PET bottle waste

Rajabi-Kafshgar,

Seyedi,

Tirkolaee

2024

Environ Dev Sustain

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One of the most critical pillars of Industry 4.0 (I4.0) is Additive Manufacturing (AM) or 3D Printing technology. This transformative technology has garnered substantial attention due to its capacity to streamline processes, save time, and enhance product quality. Simultaneously, environmental concerns are mounting, with the growing accumulation of plastic bottle waste, offering a potential source of recycled material for 3D printing. To thoroughly harness the potential of AM and address the challenge of plastic bottle waste, a robust supply chain network is essential. Such a network not only facilitates the reintegration of plastic bottle waste and 3D printing byproducts into the value chain but also delivers significant environmental, social, and economic benefits, aligning with the tenets of sustainable development and circular economy. To tackle this complex challenge, a Mixed-Integer Linear Programming (MILP) mathematical model is offered to configure a Closed-Loop Supply Chain (CLSC) network with a strong emphasis on circularity. Environmental considerations are integral, and the primary objective is to minimize the overall cost of the network. Three well-known metaheuristics of Simulated Annealing (SA), Genetic Algorithm (GA), and Particle Swarm Optimization (PSO) are employed to treat the problem which are also efficiently adjusted by the Taguchi design technique. The efficacy of our solution methods is appraised across various problem instances. The findings reveal that the developed model, in conjunction with the fine-tuned metaheuristics, successfully optimizes the configuration of the desired circular CLSC network. In conclusion, this research represents a significant step toward the establishment of a circular supply chain that combines the strengths of 3D printing technology and the repurposing of plastic bottle waste. This innovative approach holds promise for not only reducing waste and enhancing sustainability but also fostering economic and social well-being.

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Development of 3D printing raw materials from plastic waste

Cited by 4 publications

References 0 publications

Designs, advancements, and applications of three-dimensional printed gyroid structures: A review

Designs, advancements, and applications of three-dimensional printed gyroid structures: A review

FDM-based additive manufacturing of recycled thermoplastics and associated composites

Circular closed-loop supply chain network design considering 3D printing and PET bottle waste

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