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Wide band gap tunability in complex transition metal oxides by site-specific substitution
Wide band gap tunability complex transition metal oxides site-specific substitution
2012/2/21
Fabricating complex transition metal oxides with a tuneable band gap without compromising their intriguing physical properties is a longstanding challenge. Here we examine the layered ferroelectric bi...
Magnetic-Field-Induced Normal Force of Magnetorheological Elastomer under Compression Status
Magnetorheological elastomers monotonic loading magnetic field the particle distribution cyclic loading the stress
2012/1/30
The magnetic-field-induced normal force of magnetorheological elastomer (MRE) under compression status is studied in this paper. The influence of monotonic loading of the magnetic field, particle dist...
Inverse neuro-fuzzy MR damper model and its application in vibration control of vehicle suspension system
MRdamper ANFIS inverse model semi-active control LQG control vehicle suspension
2011/11/28
In this paper, a magneto-rheological (MR) damper-based semi-active controller for vehicle suspension is developed. This system consists of a linear quadratic Gauss (LQG) controller as the system contr...
Improving the magnetorheological properties of polyurethane magnetorheological elastomer through plasticization
polyurethane magnetorheological elastomer in-situ polymerization plasticizer
2011/8/24
The highly filled anisotropic polyurethane (PU) magnetorheological elastomers (MREs) were prepared through an in-situ one-step polycondensation process under a magnetic field. The carbonyl iron formed...
Mechanical and structural investigation of isotropic and anisotropic thermoplastic magnetorheological elastomer composites based on poly(styrene-b-ethylene-co-butylene-b-styrene) (SEBS)
Magnetorehological elastomer SEBS Carbonyl iron Elastomer Filled polymer Viscoelasticity
2011/8/19
Novel smart thermoplastic magnetorheological elastomer composites containing micron-sized magnetic carbonyl iron (CI) particles were prepared with a poly(styrene-ethylene-butylene-styrene) (SEBS) trib...
Magnetic recyclable Ag catalysts with a hierarchical nanostructure
Nickel silicate Fe3O4 core Ag nanoparticles particles catalytic reaction
2011/8/18
This study reports the fabrication of a novel hierarchically structured nanocatalyst system possessing a well-defined nickel silicate (NS) protected Fe3O4 core and a layer of uniform Ag nanoparticles ...
Simulation study on the trembling shear behavior of eletrorheological fluid
Electrorheological fluid shear slide boundary model thioureadoped Ba - Ti - O ER fluid the ER fluid dynamic simulation curve
2011/7/25
The trembling shear behavior of electrorheological (ER) fluids has been investigated by using a computer simulation method, and a shear-slide boundary model is proposed to understand this phenomenon. ...
超支化聚合物由于具有高度支化的三维球状立体结构和众多的末端基团, 显示出与相应线型分子截然不同的性质, 如低黏度、良好的溶解性和大量可修饰的末端官能团等, 具有广泛的应用前景, 而且合成相对简单、成本低, 因此成为近年来聚合物科学领域的研究热点. 本文主要就超支化聚合物的结构、合成、性质和应用, 从传统结构和含有大π共轭结构的新型超支化聚合物两个角度比较全面地总结了这一领域在基础理论和应用研究方面...
Dimorphic Magnetorheological Fluid with Improved Rheological Properties
Magnetorheological fluids Nanowires Carbonyl iron Sedimentation
2011/7/12
A type of dimorphic magnetorheological (MR) fluid was prepared by adding wire-like iron nanos-tructures into the conventional carbonyl iron based MR fluid.The Fe nanowires were synthesized through red...
Immobilization of Pd nanocatalysts on magnetic rattles and their catalytic property
Type magnetic composite chattering nanostructures nickel silicate shell encapsulation magnetic core Pd nanocrystals transmission electron microscopy
2011/6/13
Here we report a magnetic composite nanocatalyst (MP@NiSiO/Pd) with a rattle type nanostructure. The nickel silicate shell encapsulated magnetic core (MP@NiSiO) rattle particles were synthesized by us...
Evolution of the initial hole in vertically vibrated shear thickening fluids
Shear thickening fluid the application of shear rate and rheological properties of vertical vibration dynamic filtering polymethyl methacrylate suspended particles and glycol
2011/5/11
The apparent viscosity of shear thickening fluid (STF) changes dramatically with the applied shear rate,which is a typical rheological property of STF. Such a rheological property affects the vertical...
The controllable synthesis of nanoporous SrTiO3 by an ultrasound irradiation approach
Nano porous strontium titanate SrTiO3 particles strontium alkoxide hydrolysis nano porous SrTiO3 microstructure
2011/5/3
In this paper, nanoporous strontium titanate (SrTiO3) with controllable morphologies was prepared by a simple and rapid ultrasound irradiation method. SrTiO3 particles were synthesized by the hydrolys...
Temperature-Dependent Mechanical Properties and Model of Magnetorheological Elastomers
Magnetorheological elastomers magnetic particles and iron particles soft rubber elastic modulus damping a magnetic field
2011/4/19
Magnetorheological elastomers (MREs) are composed of magnetizable particles (iron particles) and a soft rubberlike matrix. Their mechanical properties, including modulus and damping capability, depend...
Physically crosslinked poly(vinyl alcohol) hydrogels with magnetic field controlled modulus
Physical crosslinking heterosexual ethylene glycol water gel carbonyl iron particle PVA hydrogel magnetorheological
2011/4/13
Physically cross-linked isotropic and anisotropic poly(vinyl alcohol) (PVA) hydrogels containing micron-sized carbonyl iron particles were prepared through a cyclic freezing–thawing process. The PVA h...
Development of a real-time tunable stiffness and damping vibration isolator based on magnetorheological elastomer
ON–OFF control MRE voice coil motor isolator variable stiffness and damping
2011/3/30
A tunable stiffness and damping vibration isolator based on magnetorheological elastomers (MREs) is developed. In this isolator, four MRE elements are used as the tunable springs, whose stiffness can ...