A5000621513- Vibration Control and Rheological Fluids
- Random lasers and scattering media
- Optical measurement and interference techniques
- Structural Engineering and Vibration Analysis
- Advanced Sensor and Energy Harvesting Materials
- Seismic Performance and Analysis
- Advanced Optical Imaging Technologies
- Structural Health Monitoring Techniques
- Image Processing Techniques and Applications
- Advanced Measurement and Detection Methods
- Advanced Materials and Mechanics
- Innovative Energy Harvesting Technologies
- Advanced Vision and Imaging
- Optical Coherence Tomography Applications
- Advanced Measurement and Metrology Techniques
- Neural Networks and Reservoir Computing
- Advanced Fiber Optic Sensors
- Dielectric materials and actuators
- Polymer composites and self-healing
- Energy Harvesting in Wireless Networks
- Advanced Fiber Laser Technologies
- Image and Object Detection Techniques
- Optical Systems and Laser Technology
- Hydraulic and Pneumatic Systems
- Effects of Vibration on Health
University of Science and Technology of China
2006-2024
Institute of Mechanics
2023-2024
State Key Laboratory of Nonlinear Mechanics
2023-2024
Mechanics' Institute
2024
Chinese Academy of Sciences
2024
Hefei University of Technology
2012-2021
State Council of the People's Republic of China
2019
Heinz Optical Engineering (United States)
2014-2015
University of Liverpool
2009-2011
Google (United States)
2010
In this technical note we develop an adaptive tuned vibration absorber (ATVA) based on the unique characteristics of magnetorheological elastomers (MREs), whose modulus can be controlled by applied magnetic field. The MRE used in developed ATVA was prepared curing a mixture 704 silicon rubber, carbonyl iron particles and small amount silicone oil under works shear mode consists oscillator, smart spring elements with MREs, magnet conductor two coils. Natural frequencies different fields were...
Abstract Considered the promising anode material for next‐generation high‐energy lithium‐ion batteries, SiO x has been slow to commercialize due its low initial Coulombic efficiency (ICE) and unstable solid electrolyte interface (SEI) layer, which leads reduced full‐cell energy density, short cycling lives, poor rate performance. Herein, a novel strategy is proposed in situ construct an artificial hybrid SEI layer consisting of LiF Li 3 Sb on prelithiated via spontaneous chemical reaction...
This paper reports an experimental setup aiming at evaluating the performance of a newly designed magnetorheological elastomer (MRE) seismic isolator. As further effort to explore field-dependent stiffness/damping properties MRE isolator, series testing were conducted. Based upon analysis responses and characteristics new model that is capable reproducing unique isolator dynamics behaviors proposed. The validation results verify model's effectiveness portray A study on parameters then...
Magneto-rheological elastomers (MREs) have attracted notable credits in the development of smart isolators and absorbers due to their controllable stiffness damping properties. For purpose mitigating unwanted structural and/or machinery vibrations, traditional MRE-based been generally proven effective because MR effect can increase when magnetic field is strengthened. This study presents a novel MRE isolator that experienced reduced applied current was increased. innovative work accomplished...
Adaptive tuned vibration absorbers (ATVAs) featuring magnetorheological elastomers (MREs) have attracted considerable research interests because of the advantages fast response, controllable frequency, and broad working range. Generally, ATVA uses single layer MRE sheet, which has some issues such as small oscillator stroke being effective only on high frequency. In this research, an incorporates multilayer sheets was designed prototyped. Its performance under various scan frequencies tested...
With the combination of high flexibility and thermal property, thermally conductive elastomers have played an important role in daily life. However, traditional display limited stretchability toughness, seriously restricting their further development practical applications. Herein, a high-performance composite is fabricated by dispersing room-temperature liquid metal microdroplets (LM) into polyborosiloxane elastomer (PBSE). Due to unique solid-liquid coupling mechanism, LM can deform with...
Abstract Soft magnetic actuators with programmable structure design and controllable deformation ability based on 3D printing technology have attracted extensive attention. In this paper, a novel strategy is developed to manufacture the ultraflexible actuator, in which printed material composed of particles thermoplastic rubber materials. Different from traditional fused deposition printing, introduces screw extrusion heating components printer overcome problem filament buckling flexible...
In nature, many insects have evolved sclerotic cuticles to shelter their soft bodies, which are considered as "body armor". For beetles, the epidermis is composed of cross-linked intertwined fiber structures; such a network structure could provide an anti-impact function for composites. Aramid nanofibers (ANFs) great interest in various applications due 1D nanoscale, high aspect ratio, excellent strength and modulus, impressive chemical thermal stability. this paper, kind ANF prepared by...
Abstract Inspired by creatures reducing impact damage, a novel semi‐active protection strategy to enhance resistance through structural adjustment is proposed. The heat‐activated shape memory composites (PCLE) consisting of polycaprolactone (PCL) and shear stiffening elastomer are first prepared. PCLE with 50 wt.% PCL (PCLE‐50%) presents tensile strength 0.46 MPa, fracture strain 148%, high fixity recovery rates (97.9% 91.1%), stable shape‐memory repeatability. Furthermore, various...
This study presents an adaptive tuned vibration absorber (ATVA) which is based on magnetorheological elastomer (MRE). Traditional dynamic has limited its application and absorption capacity for narrow working frequency bandwidth. MRE a kind of smart material whose modulus can be controlled by applied magnetic field. Based MREs, ATVA works shear mode proposed in this study. After the shapes are analyzed, mechanical structure brought forward. Then circuit identified ANSYS software. By using...
In the past, adaptive tuned vibration absorbers (ATVAs) based on magnetorheological elastomers (MREs) have mainly been developed in a shear working mode. The enhancing effect of MREs squeeze mode has already investigated, but ATVAs rarely studied. This paper reports development compact MRE absorber and its subsequent performance various magnetic fields characterized under frequencies by testing system. results revealed that natural frequency can be from 37 Hz to 67 Hz. Following this,...
A shock absorber is an important device for vehicle suspension. The semi-active suspension requires the damping or stiffness of to be controllable. This paper proposed a novel compact with both and variable characteristics. developed based on MR fluid through innovative design. prototype tested by MTS characterize properties. mathematical model that incorporated Bingham established optimization method adopted identify parameters. coherence experiments verified control ability dual absorber.
Abstract Distributed energy sources, for example the ambient broadband vibrations, are of great importance development Internet Things. However, multistable vibrational harvesters, increasing number stable equilibrium states to broaden working frequency bands is very difficult. Here we present a poly-stable harvesting approach capable achieving an exponentially growing maximum states. Unlike traditional harvesters relying on external static magnetic field, nonlinear dynamical behaviours...
The lithium-sulfur (Li-S) battery has been attracting much more attention in recent years due to its high theoretical capacity and low cost, although various issues, such as the “shuttle effect” use ratio of active materials, have hindering development application Li-S batteries. separator is an important part batteries, modification a simple effective strategy improve electrochemical performance In this work, we explore separators with different functions on their two sides that produced by...
A novel method is proposed to design discrete frequency-coding waveforms (DFCWs) for the netted radar systems. Some of designed results are presented and they indicate that algorithm effective DFCW design.
Magnetorheological elastomers (MREs) are a group of smart materials which have many applications such as dynamic vibration absorbers, engine mounts, and so on. The damping behavior is important for MREs. However, the mechanism MREs has not been investigated thoroughly. In this study, modeled special particle reinforced composites with magneto-induced properties theoretically experimentally. It found that there three types property in MREs: intrinsic damping, interface magneto-mechanical...