Fabrication and characterisation of patterned magnetorheological elastomers

Li, Weihua; Zhang, Xianzhou; Tian, Tongfei; Wen, Weijia

doi:10.1063/1.4811884

Cited by 10 publications

(9 citation statements)

References 14 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…During the drying process of prestructured MREs, a magnetic flux were applied employing permanent magnets. Both samples were provided a 48-hour cure time [1,4,8]. There are four samples in total, in which dual are isotropic while the other two are anisotropic.…”

Section: Fabrication Of Isotropic (Unstructured) and Anisotropic (Prestructured)mentioning

confidence: 99%

Morphological Analysis of Unstructured and Prestructured Magneto-rheological Elastomer

Waghode¹

2021

IJRASET

View full text Add to dashboard Cite

By providing or not put on a magnetic flux, a magneto rheological (MR) elastomer becomes a very powerful and advanced smart material that could be twisted and responded hurriedly in relations of mechanical strength. They are elastomer materials with embedded iron elements in an elastomer environment. Isotropic(unstructured) and anisotropic(prestructured) MR elastomers are categorized built on the submission of a magnetic flux during in the fabrication process. The scattering of magnetizable elements in the medium of an elastomer is well defined and arranged by kind. Scanning Electron Microscopy(SEM) had revealed their shape. They should be employed in a variability of solicitations payable to their improved morphological characteristics, such as pulsation absorbers, isolators, seismic devices, and so on. Keywords: Smart material, magneto rheological elastomer, carbonyl iron particles, morphology, scanning electron microscopy

show abstract

Section: Fabrication Of Isotropic (Unstructured) and Anisotropic (Prestructured)mentioning

confidence: 99%

Morphological Analysis of Unstructured and Prestructured Magneto-rheological Elastomer

Waghode¹

2021

IJRASET

View full text Add to dashboard Cite

show abstract

“…e mechanism of formed chain or column structures [40][41][42][43] for magnetic particles along magnetic induction lines was usually employed to describe the magnetorheological effect. erefore, in this work, a novel MRE was prepared by dispersing CIPs into the BR matrix with the addition of selffabricated Silly Putty.…”

Section: Introductionmentioning

confidence: 99%

The Normal Force Characteristic of a Novel Magnetorheological Elastomer Based on Butadiene Rubber Matrix Compounded with the Self‐Fabricated Silly Putty

Guo

2021

Advances in Materials Science and Engineering

View full text Add to dashboard Cite

In this paper, a novel magnetorheological elastomer (MRE) was prepared by dispersing carbonyl iron particles (CIPs) into a composite matrix compounded by butadiene rubber (BR) and self-fabricated Silly Putty. The rate-sensitive and magneto-induced characteristics of normal force were experimental investigated to discuss the working mechanism. The results demonstrated that the normal force increased with the compression rate and the mass fraction of boron-silicon copolymer added to the composite matrix due to the formation of the more and more B-O cross bonds which could be blocked in the C-C cross-linked network of BR. Meanwhile, the magneto-induced normal force was positively correlated with the applied magnetic field strength and the compression strain due to the decreased gap between the centers of soft magnetic particles and the increased particle intensity of magnetization. Moreover, the magneto-induced normal force continued to enhance with the increase of compression strain because the CIP chains fixed in the C-C cross-linked network could bend to a radian and CIP chains in B-O cross-linked network could rupture to form more stable and intensive short-chain structures. Besides, a simplified model was deduced to characterize the mechanism of the generation of the magneto-induced normal force. Furthermore, the normal force varied stably with the oscillatory shear strain (less than 9%) at different magnetic induction intensities and suddenly reduced when the applied oscillatory shear strain was more than 9%.

show abstract

“…Under an applied magnetic field, the MR elastomer may significantly increase its shear modulus and tensile modulus. There were plenty of investigations had been conducted experimentally and theoretically aiming to this issue [1,5,6,13,[16][17][18][19][20]. For the temperaturedependent damping properties of MR elastomers, Zhang et al [21] investigated a mixed rubber matrices of cis-polybutadience rubber and natural rubber to reveals that the storage modulus of samples which contain only cis-polybutadience rubber always decreases with temperature, while the modulus of samples contained natural rubber firstly is decreased and then increased with temperature rises.…”

Section: Introductionmentioning

confidence: 99%

Steady shear characteristic and behavior of magneto-thermo-elasticity of isotropic MR elastomers

Wei

Wang

2016

Smart Mater. Struct.

View full text Add to dashboard Cite

The magneto-thermo-elastic steady shear behaviors of isotropic smart composites of silicon rubber matrix randomly filled with ferromagnetic particles, commonly referred to as magnetorheological (MR) elastomers, are investigated experimentally and theoretically in the present study. The strip specimens of the MR elastomer composite with different ferromagnetic particle concentrations are fabricated and implemented for lap-shear tests under both magnetic and thermal fields. It is illustrated that the magneto-thermo-elastic shear modulus of the MR elastomer is markedly enhanced with the volume fraction of ferromagnetic particles and the applied external magnetic field, while the shear modulus is decreased with the environment temperature. To qualitatively elucidate the magneto-thermo-elastic shear performance of this kind of magnetic smart composites, a modified constitutive of hyperelasticity is suggested taking into account the influence of magnetic field and temperature on the magnetic potential energy and strain energy. The theoretical modeling predictions on the stress-strain behaviors for different applied magnetic fields and environment temperatures are compared to experimental observations to demonstrate a good agreement.

show abstract

Fabrication and characterisation of patterned magnetorheological elastomers

Cited by 10 publications

References 14 publications

Morphological Analysis of Unstructured and Prestructured Magneto-rheological Elastomer

Morphological Analysis of Unstructured and Prestructured Magneto-rheological Elastomer

The Normal Force Characteristic of a Novel Magnetorheological Elastomer Based on Butadiene Rubber Matrix Compounded with the Self‐Fabricated Silly Putty

Steady shear characteristic and behavior of magneto-thermo-elasticity of isotropic MR elastomers

Contact Info

Product

Resources

About