A5060332606- Advanced Materials and Mechanics
- Advanced Sensor and Energy Harvesting Materials
- Structural Analysis and Optimization
- Micro and Nano Robotics
- Soft Robotics and Applications
- Polymer composites and self-healing
- Adhesion, Friction, and Surface Interactions
- Modular Robots and Swarm Intelligence
- Cellular Mechanics and Interactions
- Cellular and Composite Structures
- Additive Manufacturing and 3D Printing Technologies
- Advanced Antenna and Metasurface Technologies
- Elasticity and Material Modeling
- Metamaterials and Metasurfaces Applications
- Acoustic Wave Phenomena Research
- Interactive and Immersive Displays
- Innovations in Concrete and Construction Materials
- Dielectric materials and actuators
- Tactile and Sensory Interactions
- Antenna Design and Analysis
- Topology Optimization in Engineering
- Composite Structure Analysis and Optimization
- Dynamics and Control of Mechanical Systems
- 3D Printing in Biomedical Research
- Cerebrovascular and Carotid Artery Diseases
BMT Group (United States)
2025
Stanford University
2021-2024
University of Science and Technology of China
2023
Chinese Academy of Sciences
2023
The Ohio State University
2018-2022
Brown University
2013-2022
Massachusetts Institute of Technology
2017-2021
Abstract Shape‐programmable soft materials that exhibit integrated multifunctional shape manipulations, including reprogrammable, untethered, fast, and reversible transformation locking, are highly desirable for a plethora of applications, robotics, morphing structures, biomedical devices. Despite recent progress, it remains challenging to achieve multiple manipulations in one material system. Here, novel magnetic memory polymer composite is reported this. The consists two types particles an...
A soft wall-climbing robot was designed by integrating and synchronizing dielectric-elastomer muscles electroadhesive feet.
Cleaving with a metal handle Using adhesive tape to pull off monolayers of two-dimensional (2D) materials is now well-established approach. However, the flakes tend be micrometer scale, and creation multilayer stacks for device application can challenging time consuming. Shim et al. show that variety 2D materials, including molybdenum disulfide hexagonal boron nitride, cleaved from multilayers grown as 5-centimeter-diameter wafers. The capped nickel layer, which used entire stack. bottom...
Significance The octopus quickly reconfigures its arms to perform highly integrated tasks, such as swimming, walking, and preying. Inspired by a soft-bodied cephalopod biosystem, we engineer compliant origami robotic achieve multimodal deformations that integrate stretching, folding, omnidirectional bending, twisting for functions grasping lifting objects means of precise magnetic actuation. remote field control allows distributed actuation the multiple degree-of-freedom system complex...
Biomimetic soft robotic crawlers have attracted extensive attention in various engineering fields, owing to their adaptivity different terrains. Earthworm-like realize locomotion through in-plane contraction, while inchworm-like exhibit out-of-plane bending-based motions. Although contraction demonstrate effective motion confined spaces, miniaturization is challenging because of limited actuation methods and complex structures. Here, we report a magnetically actuated small-scale origami...
Significance Over the past decade, origami has unfolded engineering applications leading to tunable, deployable, and multifunctional systems. Origami-inspired structures currently rely on use of actuation methods that are pneumatic, mechanical, stimuli-responsive, etc. These strategies commonly lead bulky actuators, extra wiring, slow speed, or fail provide a local distributed actuation. In this work, we introduce magnetically responsive system expand its shape-changing capability for...
To understand the underlying mechanisms of progressive neurophysiological phenomena, neural interfaces should interact bi-directionally with brain circuits over extended periods time. However, such remain limited by foreign body response that stems from chemo-mechanical mismatch between probes and tissues. address this challenge, we developed a multifunctional sensing actuation platform consisting multimaterial fibers intimately integrated within soft hydrogel matrix mimicking tissue. These...
Abstract Mechanical metamaterials are architected manmade materials that allow for unique behaviors not observed in nature, making them promising candidates a wide range of applications. Existing lack tunability as their properties can only be changed to limited extent after the fabrication. Herein, new magneto‐mechanical metamaterial is presented allows great through novel concept deformation mode branching. The architecture this employs an asymmetric joint design using hard‐magnetic soft...
Magnetic-responsive composites that consist of a soft matrix embedded with hard-magnetic particles have recently been demonstrated as robust active materials for fast-transforming actuation. However, the deformation functional components commonly attains only single actuation mode under external stimuli, which limits their capability achieving tunable properties. To greatly enhance versatility materials, we exploit new class programmable magnetic-responsive incorporated multifunctional joint...
Abstract Shape‐morphing magnetic soft materials, composed of particles in a polymer matrix, can transform shape reversibly, remotely, and rapidly, finding diverse applications actuators, robotics, biomedical devices. To achieve on‐demand sophisticated morphing, the manufacture structures with complex geometry magnetization distribution is highly desired. Here, dynamic (MDP) composite hard‐magnetic microparticles network thermally responsive reversible linkages, which permits functionalities...
Abstract Wireless millimeter-scale origami robots have recently been explored with great potential for biomedical applications. Existing devices usually require separate geometrical components locomotion and functions. Additionally, none of them can achieve both on-ground in-water locomotion. Here we report a magnetically actuated amphibious millirobot that integrates capabilities spinning-enabled multimodal locomotion, delivery liquid medicine, cargo transportation wireless operation. This...
Magnetic soft materials (MSMs) have shown potential in robotics, actuators, metamaterials, and biomedical devices because they are capable of untethered, fast, reversible shape reconfigurations as well controllable dynamic motions under applied magnetic fields. Recently, memory polymers (M-SMPs) that incorporate hard particles demonstrated superior manipulation performance by realizing reprogrammable, transformation locking one material system. In this work, we develop a multimaterial...
Liquid crystal elastomers (LCE) are appealing candidates among active materials for 4D printing, due to their reversible, programmable and rapid actuation capabilities. Recent progress has been made on direct ink writing (DIW) or Digital Light Processing (DLP) print LCEs with certain actuation. However, it remains a challenge achieve complicated structures, such as spatial lattices large actuation, the limitation of printing build platform previous layer. Herein, novel method freestanding...
Self-healing soft electronic and robotic devices can, like human skin, recover autonomously from damage. While current use a single type of dynamic polymer for all functional layers to ensure strong interlayer adhesion, this approach requires manual layer alignment. In study, we used two polymers, which have immiscible backbones but identical bonds, maintain adhesion while enabling autonomous realignment during healing. These polymers exhibit weakly interpenetrating adhesive interface, whose...
Liquid crystal elastomers (LCEs) are a class of stimuli-responsive materials that have been intensively studied for applications including artificial muscles, shape morphing structures, and soft robotics due to their capability large, programmable, fully reversible actuation strains. To take advantage LCEs, rapid, untethered, programmable methods highly desirable. Here, liquid elastomer-liquid metal (LCE-LM) composite is reported, which enables ultrafast actuations by eddy current induction...
Abstract Elephant trunks are capable of complex, multimodal deformations, allowing them to perform task‐oriented high‐degree‐of‐freedom (DOF) movements pertinent the field soft actuators. Despite recent advances, most actuators can only achieve one or two deformation modes, limiting their motion range and applications. Inspired by elephant trunk musculature, a liquid crystal elastomer (LCE)‐based multi‐fiber design strategy is proposed for robotic arms in which discrete number artificial...
Hard‐magnetic soft active materials (hmSAMs), embedding hard‐magnetic particles in polymeric matrices, have attracted a great number of research interests due to their fast‐transforming, untethered control, as well excellent programmability. However, the current direct‐ink‐write (DIW) printing‐based fabrication hmSAM parts and structures only permits programmable magnetic direction with constant density. Also, existing designs rely on brute‐force approach generate assignment magnetization...
Structures of thin films bonded on substrates have been used in technologies as diverse flexible electronics, soft robotics, bio-inspired adhesives, thermal-barrier coatings, medical bandages, wearable devices and living devices. The current paradigm for maintaining adhesion is to make the thinner, more compliant adhesive, but these requirements can compromise function or fabrication film-substrate structures. For example, there are limits how thin, adhesive epidermal electronic be...
Abstract Active composites consisting of materials that respond differently to environmental stimuli can transform their shapes. Integrating active and 4D printing allows the printed structure have a pre‐designed complex material or property distribution on numerous small voxels, offering enormous design flexibility. However, this tremendous space also poses challenge in efficiently finding appropriate designs achieve target shape change. Here, novel machine learning (ML) evolutionary...