A Review of Structural Health Monitoring for Flexible Composite Materials DOI

Xiangli Hu,

Jiangxing Wu, Yantao Gao

et al.

Applied Composite Materials, Journal Year: 2024, Volume and Issue: unknown

Published: Nov. 16, 2024

Language: Английский

Self-Healing, Degradable, and Biobased Polyurethane Elastomer for High-Performance Piezoresistive Pressure Sensors with a Hump-like Microstructure DOI

Hongtao Zhu,

Dong Die, Ye Wei

et al.

Langmuir, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 19, 2025

Flexible sensors are widely applied in the fields of electronic skins and wearable devices, yet it is still a big challenge to effectively prolong lifespan damaged reduce environmental pollution caused by discarded after updating upgrading. Herein, we proposed self-healing, degradable, biobased polyurethane elastomer for high-performance flexible pressure sensors. The synthesized using fatty diamine as chain extender possessed high tensile strength 13.25 MPa an elongation at break 830%, self-healing efficiency reached up 109.2%. Additionally, could be fully degraded within 7 days 1 mol L-1 NaOH solution with assistance ethanol. elastomer-based sensor hump-like microstructure was fabricated reduced graphene oxide conductive material via simple template method. showed sensitivity 9.448 kPa-1, large sensing range 0-300 kPa, short response/recovery time 40/80 ms, good stability 14,000 cycles. Moreover, utilized monitor different human motions, including muscle contraction, joint bending, swallowing, voice recognition, pulse beat. Importantly, even being severely damaged, able recover its function detecting motions. findings this research provide strategy sustainable development environmentally friendly functional elastomers

Language: Английский

Citations

0

Recent Developments and Applications of Tactile Sensors with Biomimetic Microstructures DOI Creative Commons

Fengchang Huang,

Xidi Sun, Qin-Juan Xu

et al.

Biomimetics, Journal Year: 2025, Volume and Issue: 10(3), P. 147 - 147

Published: Feb. 27, 2025

Humans possess an innate ability to perceive a wide range of objects through touch, which allows them interact effectively with their surroundings. Similarly, tactile perception in artificial sensory systems enables the acquisition object properties, human physiological signals, and environmental information. Biomimetic sensors, as emerging sensing technology, draw inspiration from biological exhibit high sensitivity, rapid response, multimodal perception, stability. By mimicking mechanisms microstructures, these sensors achieve precise detection mechanical thereby paving way for advancements applications. This review provides overview key mechanisms, microstructure designs, advanced fabrication techniques biomimetic sensors. The system architecture design is also explored. Furthermore, highlights significant applications recent years, including texture recognition, health detection, human–machine interaction. Finally, challenges future development prospects related are discussed.

Language: Английский

Citations

0

Advancements in Flexible Tactile Sensors with Built-in Thermal Control Capability DOI
Xiuli Fu, Yingwen Li,

Guifen Sun

et al.

Nano Energy, Journal Year: 2025, Volume and Issue: unknown, P. 110907 - 110907

Published: March 1, 2025

Language: Английский

Citations

0

Construction and mechanism of konjac glucomannan-based laminated flexible sensor hydrogel DOI
Junying Wu, Di Zhang,

Xianrui Chen

et al.

Carbohydrate Polymers, Journal Year: 2025, Volume and Issue: unknown, P. 123564 - 123564

Published: March 1, 2025

Language: Английский

Citations

0

High-strength, self-healing conductive polyurethane with covalent crosslinking and reversible dynamic bonds for multifunctional strain sensors DOI

Zhi-Quan Hu,

Changsheng Wang, Xiwei Xu

et al.

Journal of Materials Chemistry C, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 1, 2025

Flexible conductive elastomer materials are promising for applications in wearable, flexible sensor devices, human motion monitoring, and other fields.

Language: Английский

Citations

0

Wearable flexible sensors based on dual-network ionic hydrogels with xanthan gum/sodium alginate/polyacrylamide/gallium indium alloy DOI
Yao Liu, Deliang Chen,

Panpan Gu

et al.

International Journal of Biological Macromolecules, Journal Year: 2025, Volume and Issue: unknown, P. 142749 - 142749

Published: April 1, 2025

Language: Английский

Citations

0

Broad-response, multi-directional high elasticity pressure sensor based on thiol-ene/epoxy dual click reaction and 3D printing technology DOI
Feiyue Zhou, Siqi Zhang,

Wanqi Feng

et al.

Chemical Engineering Journal, Journal Year: 2025, Volume and Issue: unknown, P. 162802 - 162802

Published: April 1, 2025

Language: Английский

Citations

0

Multifunctional Bioelectronics Achieved by Empowering Hydrogels with Phase‐Transition Ability DOI

Zihan Zhu,

Yuzhe Gu, Xiaotian Wang

et al.

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

Published: May 6, 2025

Abstract Flexible electronics are of great interest in wearable bioelectronics, biomedicine, and robotics, with hydrogel emerging as an ideal candidate due to its excellent biocompatibility, stretchability, flexibility, making it suitable for applications electronics, clinical medicine, soft robotics. However, traditional hydrogels limited by restricted application scenarios, poor controllability, insufficient smart responsiveness. In contrast, phase transition hydrogels, characterized their reversible properties multifunctional adaptability, represent a promising advancement flexible electronics. This review systematically examines the various reaction types detailing underlying mechanisms materials involved. Furthermore, principles optical devices analyzed. Additionally, roles thermal management robotics explored. Finally, prospects challenges hydrogel‐based discussed, emphasizing need further optimization molecular structure cross‐linking system design, precise tuning temperature rate, enhancement long‐term stability, seamless integration conventional silicon‐based

Language: Английский

Citations

0

Recent Advances in Room Temperature Self-healing Polymer Nanocomposites, Compliant Electrodes, and Design Strategies for Flexible Pressure Sensors DOI
Dhananjay Sahu, Raj Kumar Sahu,

Yadagiri Naik Banothu

et al.

Sensors and Actuators A Physical, Journal Year: 2025, Volume and Issue: unknown, P. 116695 - 116695

Published: May 1, 2025

Language: Английский

Citations

0

Preparation of Gradient Polyurethane and Its Performance for Flexible Sensors DOI Open Access

Chuanqi Ning,

Depeng Gong, Lili Wu

et al.

Polymers, Journal Year: 2024, Volume and Issue: 16(12), P. 1617 - 1617

Published: June 7, 2024

Flexible sensors are prone to the problems of slow recovery rate and large residual strain in practical use. In this paper, a polyurethane functional composite with gradient change elastic modulus is proposed as flexible sensor meet without affecting motion. Different hard soft segment ratios used synthesize structure. The conductive percolation threshold was obtained between 45 wt% 50 flake silver powder. Both composites demonstrated that materials can increase reduce strain. had tensile strength 3.26 MPa, an 2.58 elongation at break 245%, sensitivity coefficient 1.20 0-25% deformation, 11.38 25-75% 1.95 s time, resistance fatigue (over 1000 cycles fixed 20% showed stable electrical response). sensing performance under different cyclic frequencies also investigated. process has applications field wearable skin motion health monitoring.

Language: Английский

Citations

3