Strong magnetodielectric effects in magnetorheological elastomers

Семисалова, А.С.; Перов, Н. С.; Степанов, Г. В.; Kramarenko, Elena Yu.; Хохлов, А. Р.

doi:10.1039/c3sm52523f

Cited by 95 publications

(80 citation statements)

References 35 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…[11,124,125] The higher the volume fraction of nickel in the mix compared to the iron, cobalt provides an increment in the dynamic stiffness, while a higher volume fraction of cobalt and iron compared to the nickel particles results in bigger MR effect values. [131,132] The dispersion of hard magnetizable particles aligned in an electromagnetic field produces an anisotropic type magnetically poled MREs, commonly called a hard MREs, which is analogous to a flexible permanent magnet unlike the conventional MREs. The additional CNTs in the MREs increase the dynamic stiffness and damping.…”

Section: Matrix Elementsmentioning

confidence: 99%

See 1 more Smart Citation

Recent Progress on Magnetorheological Solids: Materials, Fabrication, Testing, and Applications

et al. 2014

View full text Add to dashboard Cite

Magnetorheological (MR) materials are classified as smart materials due to their responsiveness to external magnetic stimuli. Intensive research on MR materials has led to broad applications in several potential fields. A solid carrier matrix state called MR elastomer with its exceptional magnetic responsive feature is obtained by merging magnetizable particles within an elastomeric polymer. This integration results in outstanding characteristics on the rheological performances. Special prominence is given to the understanding of the base materials and fabrication as well as the functional behavior through various characterization methods. Broad applications of MREs are also explored to provide a profound market picture and to motivate researchers to develop novel technology.

show abstract

Section: Matrix Elementsmentioning

confidence: 99%

“…Generally, the synthesized MREs take below 10 mm, which is about 72.5%. [125,129,132] The irregular shape iron particles are usually found in sizes of above 50 mm. The particle size of 10-100 mm and above 100 mm reaches the interest of 24.2 and 3.4%, respectively.…”

Section: Iron Particlesmentioning

confidence: 99%

Recent Progress on Magnetorheological Solids: Materials, Fabrication, Testing, and Applications

et al. 2014

View full text Add to dashboard Cite

show abstract

“…have all been evaluated for different magnetic content under various ranges of applied magnetic field . However, a magnetoactive elastomer with a CIP concentration of 73%, subject to an applied magnetic field strength of 700 000 A m −1 , exhibits little more than a 60% increase in capacitance …”

Section: Magnetoactive Polymersmentioning

confidence: 99%

“…[13][14][15] However, a magnetoactive elastomer with a CIP concentration of 73%, subject to an applied magnetic field strength of 700 000 A m −1 , exhibits little more than a 60% increase in capacitance. [16] Where the particles are not constrained by an elastic matrix but allowed to migrate in a viscoelastic medium, dramatic effects on the electrical capacitance and resistance become clearly observable. The remainder of this work deals exclusively with such interfacial magnetocapacitive effects in boronorgano-silicon oxide polymers.…”

Section: Introductionmentioning

confidence: 99%

Electrical Properties of Magnetoactive Boron‐Organo‐Silicon Oxide Polymers

Monkman

Striegl

Prem

et al. 2020

Macro Chemistry & Physics

View full text Add to dashboard Cite

The electrical properties of rheopectic magnetoactive composites comprising boron‐organo‐silicon oxide dielectric matrices containing carbonyl iron microparticles are presented for the first time. The increase in interfacial magnetocapacitance is seen to greatly exceed that experienced when using conventional elastomeric matrices such as polydimethylsiloxane. In addition to the increase in capacitance, a simultaneous and sharp decrease in the parallel electrical resistance over several orders of magnitude is also observed. The effects are time dependent but repeatable. Potential applications include magnetically controlled frequency dependent devices, magnetic sensor systems, weighting elements for neural networks, etc.

show abstract

“…In addition, they exhibit significant damping at a zero magnetic field caused by magnetic remanence, which narrows the possibility of applications [6,7]. Some of these problems can be overcome by substituting typically composed magnetorheological fluids with custom mixtures or elastomers resulting in an enhanced magnetorheological effect [8,9].…”

Section: Introductionmentioning

confidence: 99%