Results 71 to 80 of about 4,240 (298)

Surface Tension Effects on Surface Instabilities of Dielectric Elastomers

, 2018
Dielectric elastomers have recently been proposed for various biologically-relevant applications, in which they may operate in fluidic environments where surface tension effects may have a significant effect on their stability and reliability.
Saman Seifi
core   +1 more source

Review of Thermally Activated Twisted Coiled Polymer Actuators: A Materials Science Perspective

Advanced Functional Materials, EarlyView.
Thermally activated twisted and coiled polymer actuators (TCPAs) combine lightweight design, large deformation, and scalable fabrication for soft robotic and wearable applications. This review connects polymer structure, processing history, helix geometry, and thermomechanical characterization to actuator performance, highlighting current challenges in
Nadja Schenk, Lukas Benecke, Chokri Cherif, Johannes Mersch   +3 more
wiley   +1 more source

Electromechanical analysis and simplified modeling of dielectric elastomer multilayer bending actuator

AIP Advances, 2020
Dielectric elastomers can generate large voltage-induced deformation and have been widely used as soft actuators. Dielectric elastomer multilayer structures function as bending-type actuators, enhancing their stiffness and ability to resist external ...
Fanghao Zhou, Xuxu Yang, Youhua Xiao, Ziqi Zhu, Tiefeng Li, Zhongbin Xu   +5 more
doaj   +1 more source

High permittivity dielectric elastomers with ionic liquid (IL) loading [PDF]

, 2019
Dielectric elastomers (DEs) represent a promising transducer technology, due to their excellent ability to undergo large and reversible deformations under an applied electric field.
Skov, Anne Ladegaard, Yu, Liyun, Liu, Xue, Nie, Yi, Zhang, Suojiang   +4 more
core  

Engineered AuNPs/fMWCNT Nanocomposite Electrodes for High‐Sensitivity Methylglyoxal Sensing in Saliva and Sweat for Non‐Invasive Diabetes Monitoring

Advanced Healthcare Materials, EarlyView.
An AuNPs/fMWCNT nanocomposite‐modified screen‐printed carbon electrode was engineered via sequential electrodeposition and integrated into a 3D‐printed microfluidic platform for ultrasensitive methylglyoxal detection. The non‐invasive sensing platform enables rapid analysis in saliva and sweat, highlighting strong potential for wearable point‐of‐care ...
Ahadul Amin Soshi, Md Younus Ali, Dadbeh Pazuki, Matiar M.R. Howlader   +3 more
wiley   +1 more source

A high-response-frequency bimodal network polyacrylate elastomer with ultrahigh power density under low electric field

Nature Communications
Dielectric elastomers, used as driver modules, require high power density to enable fast movement and efficient work of soft robots. Polyacrylate elastomers usually suffer from low power density under low electric fields due to limited response frequency.
Li-Juan Yin, Boyuan Du, Hui-Yi Hu, Wen-Zhuo Dong, Yu Zhao, Zili Zhang, Huichan Zhao, Shao-Long Zhong, Chenyi Yi, Liangti Qu, Zhi-Min Dang   +10 more
doaj   +1 more source

Bioinspired Adaptive Sensors: A Review on Current Developments in Theory and Application

Advanced Materials, EarlyView.
This review comprehensively summarizes the recent progress in the design and fabrication of sensory‐adaptation‐inspired devices and highlights their valuable applications in electronic skin, wearable electronics, and machine vision. The existing challenges and future directions are addressed in aspects such as device performance optimization ...
Guodong Gong, You Zhou, Qingxiu Li, Wenyu Zhao, Sunyingyue Geng, Hangfei Li, Yan‐Bing Leng, Shirui Zhu, Guanglong Ding, Yongbiao Zhai, Ziyu Lv, Ye Zhou, Su‐Ting Han   +12 more
wiley   +1 more source

Fabrication and stiffness optimization of carbon-based composite double polymer compliant electrode

Journal of Measurement Science and Instrumentation, 2022
A manufacturing method is proposed for carbon based composite double polymer compliant electrode. The stiffness of this compliant electrode is changed by adjusting the mass fraction of carbon black and the ratios between Ecoflex20 and RT625.
WU Xiaojun, WEN Binhua, TONG Xin, ZHANG Ying   +3 more
doaj  

Flexible Dielectric Acoustic Resonator Patch for Tissue Regeneration

Advanced Materials, EarlyView.
A flexible dielectric acoustic resonator patch enables MHz‐range ultrasound generation through resonance amplification without using piezoelectric materials. Conformal integration on a curved substrate allows efficient acoustic delivery to tissue‐mimicking environments.
Donyoung Kang, Byeongseok Ryu, Sujeong Ahn, Junhyub Kim, Myeonghun Jang, Jeong Ho Cho, Won‐Gun Koh, Hyungsuk Lee   +7 more
wiley   +1 more source

Electrical breakdown of an acrylic dielectric elastomer: effects of hemispherical probing electrode’s size and force

International Journal of Smart and Nano Materials, 2015
Dielectric elastomers are widely investigated as soft electromechanically active polymers (EAPs) for actuators, stretch/force sensors, and mechanical energy harvesters to generate electricity.
Bin Chen, Matthias Kollosche, Mark Stewart, James Busfield, Federico Carpi   +4 more
doaj   +1 more source