4D printing of shape memory polymer composites: A review on fabrication techniques, applications, and future perspectives

Journal of Manufacturing Processes, Journal Year: 2022, Volume and Issue: 81, P. 759 - 797

Published: July 25, 2022

Language: Английский

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Additive manufacturing of sustainable biomaterials for biomedical applications

Asian Journal of Pharmaceutical Sciences, Journal Year: 2023, Volume and Issue: 18(3), P. 100812 - 100812

Published: April 27, 2023

Biopolymers are promising environmentally benign materials applicable in multifarious applications. They especially favorable implantable biomedical devices thanks to their excellent unique properties, including bioactivity, renewability, bioresorbability, biocompatibility, biodegradability and hydrophilicity. Additive manufacturing (AM) is a flexible intricate technology, which widely used fabricate biopolymer-based customized products structures for advanced healthcare systems. Three-dimensional (3D) printing of these sustainable applied functional clinical settings wound dressing, drug delivery systems, medical implants tissue engineering. The present review highlights recent advancements different types biopolymers, such as proteins polysaccharides, employed develop by using extrusion, vat polymerization, laser inkjet 3D techniques addition normal bioprinting four-dimensional (4D) techniques. This also incorporates the influence nanoparticles on biological mechanical performances 3D-printed scaffolds. work addresses current challenges well future developments friendly polymeric manufactured through AM Ideally, there need more focused research adequate blending biodegradable biopolymers achieving useful results targeted areas. We envision that composites have potential revolutionize sector near future.

Language: Английский

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Key parameters controlling surface quality and dimensional accuracy: a critical review of FFF process

Materials and Manufacturing Processes, Journal Year: 2022, Volume and Issue: 37(9), P. 963 - 984

Published: Feb. 21, 2022

Fused filament fabrication (FFF) is an additive manufacturing process, which constructs physical items by fused melt material, selectively deposited layer-by-layer through a heated extrusion mechanism. Parameters' selection and control in FFF are of utmost importance since they significantly affect the surface quality (SQ) dimensional accuracy (DA) printed parts. In present paper, initially, process briefly presented. Next, cause-and-effect diagram exhibits parameters' categorization with SQ DA manufactured Then, according to robust design theory, parameters divided into three classes, i.e., signal, control, noise. This classification supports appropriate printers, parameters, whereas it facilitates optimization parts, concerning signal parameters. Finally, impact each parameter on presented, supported extensive literature review. Overall, critical for DA. Therefore, should be adjusted achieve higher less post-processing work.

Language: Английский

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4D printing: Technological developments in robotics applications

Sensors and Actuators A Physical, Journal Year: 2022, Volume and Issue: 343, P. 113670 - 113670

Published: June 10, 2022

Language: Английский

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Additive manufacturing of smart polymeric composites: Literature review and future perspectives

Polymer Composites, Journal Year: 2022, Volume and Issue: 43(9), P. 6355 - 6380

Published: Aug. 12, 2022

Abstract The latest developments in smart systems for improved human lives with advanced biomedical devices have evolved out of multi‐disciplinary scientific studies, including medicine, biology, material sciences, design, manufacturing, artificial intelligence, microelectronics, and so forth. growth such intelligent is primarily possible innovative materials, which demonstrate the response to various external stimuli like temperature, heat, moisture, light, electromagnetic field, chemical alteration. Such materials been recently fabricated using different additive manufacturing techniques devise personalized unique, complex, novel structures that can adjust conditions over time are specifically attributed 4D printing. Novel further improve continued be explored employed. This review paper investigates functional polymer nanocomposites, offer compliant flexible processes high strength, low cost, long‐term stability. study aims deliver a comprehensive deep understanding fundamental mechanisms involved, future possibilities this area research.

Language: Английский

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Holistic computational design within additive manufacturing through topology optimization combined with multiphysics multi-scale materials and process modelling

Progress in Materials Science, Journal Year: 2023, Volume and Issue: 138, P. 101129 - 101129

Published: April 23, 2023

Additive manufacturing (AM) processes have proven to be a perfect match for topology optimization (TO), as they are able realize sophisticated geometries in unique layer-by-layer manner. From viewpoint, however, there is significant likelihood of process-related defects within complex geometrical features designed by TO. This because TO seldomly accounts process constraints and conditions typically perceived purely design tool. On the other hand, advanced AM simulations shown their potential reliable tools capable predicting various hence serving second-to-none material tool achieving targeted properties. Thus far, these two geometry been traditionally viewed entirely separate paradigms, whereas one must conceive them holistic computational instead. More specifically, models provide input physics-based TO, where consequently, not only component will function optimally, but also near-to-minimum defects. In this regard, we aim at giving thorough overview concepts applied AM. The paper arranged following way: first, literature on performance reviewed then most recent developments techniques related covered. Process play pivotal role latter type serve additional top primary end-user objectives. As natural consequence this, comprehensive detailed review non-metallic metallic additive performed, divided into micro-scale deposition-scale simulations. Material multi-scaling which central process-structure-property relationships, next followed subsection reduced-order versions incorporable due lower requirements. Finally concluded suggestions further research paths discussed.

Language: Английский

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Additive manufacturing for sustainability and circular economy: needs, challenges, and opportunities for 3D printing of recycled polymeric waste

Materials Today Sustainability, Journal Year: 2023, Volume and Issue: 24, P. 100529 - 100529

Published: Sept. 5, 2023

Polymer-based product usage rapidly increases globally, leading to severe ecological, social, environmental, health, and economic impacts. There has been an international push for solutions sustainable production, consumption, end-of-life plastics combat these issues. Moreover, additive manufacturing (AM) or 3D printing (3DP) processes provide rapid fabrication of functional parts in lesser time, lower lead times, research development costs. Due reasons, are now being utilized different industrial sectors, including aerospace, automotive, biomedical, sports, food, electronics, construction. The circular economy concept integrated with AM can deliver a synergic impact new life discarded polymeric distributed recycling manufacturing. With the adoption proper techniques, be used widely reuse polymer wastes turn them into valuable products. It much higher levels at very low cost targeted applications. Therefore, this study, comprehensive literature review is performed outline guidelines model recycled polymers based on reviewed literature. This study delivers insight into; commodity their uses, challenges recycling, approaches, polymers.

Language: Английский

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Mechanical performance optimization in FFF 3D printing using Taguchi design and machine learning approach with PLA/walnut Shell composites filaments

Journal of Vinyl and Additive Technology, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 18, 2025

Abstract This study explores the optimization of mechanical properties in 3D‐printed components made from a Polylactic Acid (PLA) and Walnut Shell Composite using Fused Filament Fabrication (FFF). Employing machine learning‐based approach, research identifies optimal regression model for predicting relationships between printing parameters material properties. A Taguchi L18 design is used to minimize experiment count while accurately determining parameter levels. Testing was conducted on composite containing 30% walnut shell fibers, with Ultimate Tensile Strength (UTS) Elastic Modulus (E) measured as per ASTM D638 standards. Experimental factors included Layer Thickness (LT), Nozzle Temperature (NT), Deposition Angle (DA), Printing Speed (PS). Using Analysis Variance (ANOVA) learning techniques, effects these UTS E were evaluated. Results highlight deposition angle dominant parameter, models, especially Random Forest Regression, providing highly accurate predictions. approach presents novel, data‐driven method optimizing 3D processes sustainable, materials. Highlights Higher achieved optimized PLA/walnut composite. key element performance FFF printing. thickness important improve Modulus. Statistical techniques combined sustainable Improved process understanding printed components.

Language: Английский

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Materials Requirements in Fused Filament Fabrication: A Framework for the Design of Next‐Generation 3D Printable Thermoplastics and Composites

Macromolecular Materials and Engineering, Journal Year: 2022, Volume and Issue: 307(10)

Published: Aug. 18, 2022

Abstract Fused filament fabrication (FFF), also known as fused deposition modeling, is the leading technology for polymer‐based additive manufacturing. The simplicity, along with cleanness, affordability, and multi‐material capability, are some of main advantages that have prompted this success. Nonetheless, uptake FFF in industry hampered by limited functionality commercial filaments, often based on plain thermoplastics. future growth into new markets needs a significant improvement available materials. However, materials requirements complicated mutually conflicting. Whereas heuristic approaches to design imply costs terms time, energy, materials, critical survey material should fulfill order be printable suitable adoption still missing. In bridge gap, present paper analyzes workflow from production end‐of‐life disposal printed objects, and, each step, brings light governing properties. Wherever possible, practical guidelines given acceptable values. Existing lacks knowledge identified direct studies. ultimate goal provide road map making development more efficient.

Language: Английский

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3D-Printed Fiber-Reinforced Polymer Composites by Fused Deposition Modelling (FDM): Fiber Length and Fiber Implementation Techniques

Polymers, Journal Year: 2022, Volume and Issue: 14(21), P. 4659 - 4659

Published: Nov. 1, 2022

Fused Deposition Modelling (FDM) is an actively growing additive manufacturing (AM) technology due to its ability produce complex shapes in a short time. AM, also known as 3-dimensional printing (3DP), creates the desired shape by adding material, preferably layering contoured layers on top of each other. The need for low cost, design flexibility and automated processes industry has triggered development FDM. However, mechanical properties FDM printed parts are still weaker compared conventionally manufactured products. Numerous studies research have already been carried out improve parts. Reinforce polymer matrix with fiber one possible solutions. Furthermore, reinforcement can enhance thermal electrical Various types fibers methods be adopted reinforce different outcomes. This review emphasizes insertion techniques 3D composites. A brief overview fused deposition modelling, sintering voids formation during provided, followed basis reinforced composites, type (synthetic vs. natural fibers, continuous discontinuous fiber) composites’ performance. In addition, three thermoplastics based timing location embedding namely ‘embedding before process (M1)’, nozzle (M2)’, component (M3)’, briefly reviewed. performance composites produced were then discussed.

Language: Английский

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