Tailoring the Dynamic Actuation of 3D‐Printed Mechanical Metamaterials through Inherent and Extrinsic Instabilities
Sign Up to like & getrecommendations! Published in 2020 at "Advanced Engineering Materials"
DOI: 10.1002/adem.201901586
Abstract: Architected materials have facilitated a significant breakthrough in the control of the mechanical behavior of structures. Most notably, metamaterials with unprecedented properties can be easily designed in large scales, exhibiting high strength, tunability of their… read more here.
Keywords: engineering; berkeley edu; department mechanical; mechanical metamaterials ... See more keywords
Humidity- and Photo-Induced Mechanical Actuation of Cross-Linked Liquid Crystal Polymers.
Sign Up to like & getrecommendations! Published in 2017 at "Advanced materials"
DOI: 10.1002/adma.201604792
Abstract: Azobenzene-containing cross-linked liquid crystal polymer films without hydrophilic groups exhibit dual-responsivity to humidity and UV light. The films realize not only a series of large and sophisticated contactless motions by utilizing moisture, including an inchworm… read more here.
Keywords: cross linked; liquid crystal; humidity; linked liquid ... See more keywords
Wafer-Scale Electroactive Nanoporous Silicon: Large and Fully Reversible Electrochemo-Mechanical Actuation in Aqueous Electrolytes.
Sign Up to like & getrecommendations! Published in 2021 at "Advanced materials"
DOI: 10.1002/adma.202105923
Abstract: Nanoporosity in silicon results in interface-dominated mechanics, fluidics, and photonics that are often superior to the ones of the bulk material. However, their active control, for example, by electronic stimuli, is challenging due to the… read more here.
Keywords: aqueous electrolytes; electrochemo mechanical; mechanical actuation; nanoporous silicon ... See more keywords
Molecular‐Level Methylcellulose/MXene Hybrids with Greatly Enhanced Electrochemical Actuation
Sign Up to like & getrecommendations! Published in 2022 at "Advanced Materials"
DOI: 10.1002/adma.202200660
Abstract: Ti3C2Tx MXene film is promising for electrochemical actuators due to its high electrical conductivity and volumetric capacitance. However, its actuation performance is limited by the slow ion diffusion through the film and poor mechanical property… read more here.
Keywords: level methylcellulose; actuation; methylcellulose mxene; mxene hybrids ... See more keywords
High‐Performance Organohydrogel Artificial Muscle with Compartmentalized Anisotropic Actuation Under Microdomain Confinement
Sign Up to like & getrecommendations! Published in 2022 at "Advanced Materials"
DOI: 10.1002/adma.202202193
Abstract: Current hydrogel actuators mostly suffer from weak actuation strength and low responsive speed owing to their solvent diffusion‐induced volume change mechanism. Here a skeletal muscle‐inspired organohydrogel actuator is reported in which solvents are confined in… read more here.
Keywords: organohydrogel actuator; solvent diffusion; hydrogel actuators; muscle ... See more keywords
Soft Actuators of Liquid Crystal Polymers Fueled by Light from Ultraviolet to Near Infrared
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DOI: 10.1002/adom.202001743
Abstract: DOI: 10.1002/adom.202001743 Various stimuli have been implemented to trigger deformation of the LCPs. Compared to other stimuli, such as by heat, magnetic fields, acoustic waves, pressure, pH variation, humidity, and electricity, light stimulus is ideal… read more here.
Keywords: soft actuators; near infrared; ultraviolet near; lcps ... See more keywords
Pump Up the Jam: Granular Media as a Quasi‐Hydraulic Fluid for Independent Control Over Isometric and Isotonic Actuation
Sign Up to like & getrecommendations! Published in 2022 at "Advanced Science"
DOI: 10.1002/advs.202104402
Abstract: Elastomer‐granule composites have been used to switch between soft and stiff states by applying negative pressure differentials that cause the membrane to squeeze the internal grains, inducing dilation and jamming. Applications of this phenomenon have… read more here.
Keywords: independent control; hydraulic fluid; quasi hydraulic; actuation ... See more keywords
Bi‐Shell Valve for Fast Actuation of Soft Pneumatic Actuators via Shell Snapping Interaction (Adv. Sci. 15/2021)
Sign Up to like & getrecommendations! Published in 2021 at "Advanced Science"
DOI: 10.1002/advs.202170092
Abstract: In article number 2100445, Chuan Qiao, Lu Liu, and Damiano Pasini propose a bi-shell valve leveraging shell snap-through buckling interaction for the rapid actuation of pneumatic soft actuators. A demonstrative experiment shows that the actuation… read more here.
Keywords: shell valve; fast actuation; valve fast; shell ... See more keywords
Highly Durable Piezoelectric Nanogenerator by Heteroepitaxy of GaN Nanowires on Cu Foil for Enhanced Output Using Ambient Actuation Sources
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DOI: 10.1002/aenm.202002608
Abstract: Highly durable piezoelectric nanogenerators (PENGs) with high conversion efficiency and high power density are of great interest. Here, a foldable, scalable, durable, cost‐effective, sensitive, and high current output PENG developed by the direct integration of… read more here.
Keywords: durable piezoelectric; actuation sources; highly durable; output ... See more keywords
Photoredox-Based Actuation of an Artificial Molecular Muscle.
Sign Up to like & getrecommendations! Published in 2018 at "Macromolecular rapid communications"
DOI: 10.1002/marc.201700781
Abstract: The use of light to actuate materials is advantageous because it represents a cost-effective and operationally straightforward way to introduce energy into a stimuli-responsive system. Common strategies for photoinduced actuation of materials typically rely on… read more here.
Keywords: artificial molecular; photoredox based; based actuation; molecular muscle ... See more keywords
Electrochemical Actuators with Multicolor Changes and Multidirectional Actuation.
Sign Up to like & getrecommendations! Published in 2022 at "Small"
DOI: 10.1002/smll.202107778
Abstract: Electrochemical (EC) actuators have garnered significant attention in recent years, yet there are still some critical challenges to limit their application range, such as responsive time, multifunctionality, and actuating direction. Herein, an EC actuator with… read more here.
Keywords: changes multidirectional; multidirectional actuation; electrochemical actuators; actuation ... See more keywords