Innovations in Additive Manufacturing of Shape Memory Alloys: Alloys, Microstructures, Treatments, Applications

Journal of Materials Research and Technology, Journal Year: 2024, Volume and Issue: 32, P. 4136 - 4197

Published: Sept. 1, 2024

Exploring shape memory alloys (SMAs) is like diving into a world of material magic, especially when combined with additive manufacturing techniques. This detailed review delves the fascinating realm manufactured SMAs, examining their complex fabrication processes, captivating internal structures, wide-ranging applications, and unique properties. It remarkable to observe how combination metals, particularly nickel titanium, creates very essence SMA's capabilities various other for novel SMAs. Additional insights are provided regarding parameters appropriate post-treatments can enable these materials accomplish extraordinary functionalities. These SMAs also possess ability recollect move, demonstrating superelasticity capacity regain original in capacities. However, there promising prospects development SMA mixtures, enhanced methods, even more intelligent responsive products dimensional accuracy uniformity. work presents on opportunities industries resilient materials, ranging from everyday devices immense expanse space human body. Even advancements, still be done continuously improving design pocket comfort. not only information but envisions future which central advancements engineering fields.

Language: Английский

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0-to-270° wide pattern reconfigurable antenna using 3D-Printed single quasi-yagi antenna with shape memory hinge

Virtual and Physical Prototyping, Journal Year: 2025, Volume and Issue: 20(1)

Published: March 4, 2025

This study presents a 0-to-270° wide-pattern reconfigurable antenna incorporating shape memory hinge. The substrate is 3D-printed using polymer (SMP) and high-temperature filaments, with stretchable silver ink applied via screen printing. To enable reconfiguration in response to thermal stimuli, the folding section fabricated from SMP. Leveraging end-fire radiation characteristics of quasi-Yagi antenna, hinge adjusts direction. antenna's performance was evaluated at angles −180°, −90°, 0°, 90°. In flat position (0°), measured −10 dB bandwidth ranges 4.26 5.48 GHz, peak gain 4.01–7.49 dBi. bandwidths α = 90° are 4.22–5.45, 4.26–5.47, 4.28–5.54 respectively, corresponding gains 3.22–6.72, 4.52–7.07, 5.01–7.24 These results demonstrate stable frequency across different angles. With its straightforward design fabrication process, proposed enables beam direction adjustment over wide angular range, offering novel approach pattern antennas.

Language: Английский

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A Review of Rare Earth Materials for Emerging Memory Devices for Neuromorphic Computing

Materials Today Physics, Journal Year: 2025, Volume and Issue: unknown, P. 101763 - 101763

Published: June 1, 2025

Language: Английский

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Fabrication and characterization of 4D-printed graphene oxide-reinforced PLA/PCL spinal cages for minimally invasive fusion surgery

Progress in Additive Manufacturing, Journal Year: 2025, Volume and Issue: unknown

Published: June 5, 2025

Language: Английский

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Screen-printing high/low resistance using only a single silver nanowire ink: Resistance-gradient metasurface application for broadband microwave absorption and optical transparency

Materials & Design, Journal Year: 2024, Volume and Issue: 247, P. 113451 - 113451

Published: Nov. 1, 2024

Language: Английский

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Frequency-Self-Adaptive Radio Frequency Power Harvester Enabled by Shape-Reconfigurable Liquid Metal

Electromagnetic Science, Journal Year: 2024, Volume and Issue: 2(2), P. 1 - 13

Published: June 1, 2024

Language: Английский

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Nanodiamond Reinforced Shape Memory Nanocomposites— Versatile Features and Promises

Polymer-Plastics Technology and Materials, Journal Year: 2024, Volume and Issue: 64(1), P. 88 - 104

Published: Aug. 8, 2024

This state-of-the-art overview highlights the significance of high performance shape memory polymer/nanodiamond nanocomposites. Nanodiamond reinforced polymeric nanocomposites have been designed and advantageously studied for design, microstructure, physical properties, structure–property relation/phenomenon, effects, possible technical advancements. filled polymer matrices effects include polyesters, polyurethane, poly(N-isopropylacrylamide), epoxy, polyaniline, chitosan, etc. Addition nanodiamond especially functional nanoparticles may develop and/or covalent interactions with to form interlinking/cross-linking network responsible active fixing/recovery behavior. Noteworthy thermo-responsive, electroactive, photoactive, photothermal, magnetic sensitive observed. Application areas observed so far are smart strain sensing wearable electronics, antibacterial biosensing, civil engineering related areas.

Language: Английский

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Shape Memory Effects in Polyurethane Nanocomposites—A Holistic Panorama on Features and Technicalities

Polymer-Plastics Technology and Materials, Journal Year: 2024, Volume and Issue: unknown, P. 1 - 30

Published: Sept. 16, 2024

Language: Английский

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Comparative performance investigation of rectangular microstrip antennas utilizing polydimethylsiloxane (PDMSCNT) and polycaprolactone (PCL-CNT) composites at 2.4 GHz and 5.8 GHz

International Journal of Electronics Letters, Journal Year: 2024, Volume and Issue: unknown, P. 1 - 24

Published: Dec. 16, 2024

Current research efforts are directed towards utilizing polymers and biodegradable materials to develop innovative wireless devices for emerging applications within the sub-6 GHz spectrum. This study seeks enhance electrical radiation characteristics of antennas while ensuring favorable environmental properties such as flexibility Specific Absorption Rate (SAR). To this end, a comparative analysis two flexible rectangular microstrip constructed from novel polymer-based substrates is presented. One antenna uses composite substrate polydimethylsiloxane (PDMS) embedded with carbon nanotubes (CNT), other employs polymer made polycaprolactone (PCL) reinforced CNT. Results indicate that PCL-CNT surpasses PDMS-CNT in performance, both flat bent conditions. Specifically, at 2.4 GHz, achieved gain 4.46 dBi an efficiency 0.70, compared 3.94 0.61 antenna. Furthermore, superior performance suggests its potential IoT communications, combining effective on-body usage minimal impact.

Language: Английский

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Application of 3D and 4D Printing in Electronics

Journal of Manufacturing and Materials Processing, Journal Year: 2024, Volume and Issue: 8(4), P. 164 - 164

Published: July 31, 2024

Nowadays, additive manufacturing technologies have impacted different engineering sectors. Three- and four-dimensional printing techniques are increasingly used in soft flexible electronics thanks to the possibility of working contemporarily with several materials on various substrates. The portfolio is wide, as well processes. Shape memory polymers, together composites, gained great success electronic field becoming popular for fabricating pH, temperature, humidity, stress sensors that integrated into wearable, stretchable, devices, fabrication communication such antennas. Here, we report an overview state art about application 4D smart electronics.

Language: Английский

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