Recent Advances in the Additive Manufacturing of Stimuli‐Responsive Soft Polymers

Advanced Engineering Materials, Journal Year: 2023, Volume and Issue: 25(21)

Published: Aug. 29, 2023

Stimuli‐responsive polymers (SRPs) are special types of soft materials, which have been extensively used for developing flexible actuators, robots, wearable devices, sensors, self‐expanding structures, and biomedical thanks to their ability change shapes functional properties in response external stimuli including light, humidity, heat, pH, electric field, solvent, magnetic field or combinations two more these stimuli. In recent years, additive manufacturing (AM) aka 3D printing technology SRPs, also known as 4D printing, has gained phenomenal attention different engineering fields, its unique develop complex, personalized, innovative undergo twisting, elongating, swelling, rolling, shrinking, bending, spiraling, other complex morphological transformations. Herein, an effort made provide insightful information about the AM techniques, type applications including, but not limited tissue engineering, bionics, construction, smart textiles. This article incorporates current challenges prospects, hoping basis utilization this fields. It is expected that amalgamation with SRPs would unparalleled advantages arenas.

Language: Английский

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A systematic review of design for additive manufacturing of aerospace lattice structures: Current trends and future directions

Progress in Aerospace Sciences, Journal Year: 2024, Volume and Issue: 149, P. 101021 - 101021

Published: July 17, 2024

Lattice structures, produced by repeated unit cells in the particular pattern, offer a high strength-to-weight ratio. The current advancement Additive manufacturing (AM) technology, creating complex geometries like lattice structures has revolutionized production across various industries. While several reviews have focused on different specific aspects of comprehensive overview recent advancements aerospace structural applications is lacking. Therefore, review used lightweight manufactured through AM presented here. Basic classification structure followed detailed study factors influencing mechanical properties crucial for application. Current trends technologies are analyzed detail with identification capabilities and limitations. Furthermore, literature optimization techniques engineering lightweight, along fabrication processes involved, challenges future research directions reported. By providing insights into directions, this serves as valuable resource researchers engineers involved design development structures. It lays groundwork exploration new innovative tailored to meet evolving needs industry.

Language: Английский

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Review of Additively Manufactured Polymeric Metamaterials: Design, Fabrication, Testing and Modeling

Polymers, Journal Year: 2023, Volume and Issue: 15(19), P. 3858 - 3858

Published: Sept. 22, 2023

Metamaterials are architected cellular materials, also known as lattice that inspired by nature or human engineering intuition, and provide multifunctional attributes cannot be achieved conventional polymeric materials composites. There has been an increasing interest in the design, fabrication, testing of metamaterials due to recent advances digital design methods, additive manufacturing techniques, machine learning algorithms. To this end, present review assembles a collection research on fabrication metamaterials, it can act reference for future applications categorizes mechanical properties existing from literature. The within study reveals there is need develop more expedient straightforward methods designing similar implicitly created TPMS lattices. Additionally, under complex loading scenarios required better understand their behavior. Using right algorithms process alleviate many current difficulties, enabling precise effective production with product quality.

Language: Английский

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Modelling, optimization, and testing of novel cuboidal spherical plate lattice structures

Virtual and Physical Prototyping, Journal Year: 2024, Volume and Issue: 19(1)

Published: Jan. 31, 2024

This study investigates the mechanical behavior of a novel set Cuboidal Spherical Plate Lattice (CSPL) materials. The procedure constrained-domain topology optimization is implemented with aim enhancing stiffness. micromechanical finite element homogenization approach used to evaluate effective elastic-plastic properties CSPLs and their topologically optimized counterparts, TOCSPLs (Topologically Optimized Lattices). demonstrate higher uniaxial, shear, bulk moduli compared CSPLs, an increase 31%, 14%, 36% respectively. Moreover, there in yield strengths under hydrostatic loading conditions, enhancements 103%, 55%, 62%, topologies are additively manufactured through Fused Deposition Modeling (FDM) out ABS thermoplastic material. quasi-static compression experiments superiority TOCSPL 111+100 over other terms uniaxial modulus. suffix denotes crystallographic planar orientations which solid plate-like disks were formed within cubic system. proposed herein outperform certain types Triply Periodic Minimal Surface, honeycomb, truss-, plate-based lattice offer compelling justification for utilization applications that require load-bearing impact absorption capabilities.

Language: Английский

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Compression performance evaluation of a novel origami-lattice metamaterial

International Journal of Mechanical Sciences, Journal Year: 2024, Volume and Issue: 273, P. 109220 - 109220

Published: March 25, 2024

Language: Английский

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Progress in Vat Photopolymerisation Additive Manufacturing of Ceramic Lattice Structures and Applications

Thin-Walled Structures, Journal Year: 2025, Volume and Issue: 209, P. 112918 - 112918

Published: Jan. 6, 2025

Language: Английский

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Hierarchical Cubic Lattice Structures with Bending- and Stretching-Dominated Cellular Designs for Enhanced Buckling Resistance

International Journal of Lightweight Materials and Manufacture, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 1, 2025

Language: Английский

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Topology optimised novel lattice structures for enhanced energy absorption and impact resistance

Virtual and Physical Prototyping, Journal Year: 2024, Volume and Issue: 19(1)

Published: June 19, 2024

This study evaluates topologically optimized lattice structures for high strain rate loading, crucial impact resistance. Using the BESO (Bidirectional Evolution Structural Optimisation) topology optimisation algorithm, CompIED and ShRIED topologies are developed enhanced energy absorption Micromechanical simulations reveal surpasses theoretical elasticity limits isotropic cellular materials, while hybrid design ShRComp achieves maximum across all relative densities. Compared to TPMS, truss, plate lattices, proposed exhibit higher uniaxial modulus. Manufactured via fused deposition modeling with ABS thermoplastic, their capabilities assessed through compression tests simulations. The demonstrates superior under compared CompIED. Impact analyses of sandwich at varying velocities show exceptional resistance perforation efficiency, outperforming other classes similar These findings position these new novel as promising candidates applications.

Language: Английский

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A state-of-art review on functionally graded materials (FGMs) manufactured by 3D printing techniques: Advantages, existing challenges, and future scope

Journal of Manufacturing Processes, Journal Year: 2024, Volume and Issue: 131, P. 2051 - 2072

Published: Oct. 17, 2024

Language: Английский

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Evaluation of Fatigue Life of Additively Manufactured Ti6Al4V Neovius Lattices in Simulated Body Fluid for Biomedical Applications

Advanced Engineering Materials, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 11, 2025

Additive manufacturing (AM) using laser powder bed fusion (LPBF) enables the fabrication of intricate biomimetic structures, such as triply periodic minimal surfaces (TPMS), which hold significant potential for biomedical implants. However, fatigue performance these structures is often compromised by surface roughness and internal defects. In this work, Triply (TPMS) based lattices were fabricated LPBF process. Quasi‐static compression tests computational fluid dynamics (CFD) simulations conducted to determine mechanical properties. evaluate permeability wall shear stress respectively. Moreover, High‐cycle testing under compression‐compression cyclic loading was performed endurance limits. To further improve its limit, modification carried out shot peening. Additionally, influence a simulated physiological environment on behaviour assessed in Simulated Body Fluid (SBF). Results revealed that increased limit ambient conditions 20%. SBF 32% reduction surface‐modified samples, emphasizing detrimental effects conditions. These findings highlight importance environmental factors design

Language: Английский

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