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Enhanced magnetic-sensing characteristics for application of magnetorheological elastomer

Enhanced magnetic-sensing characteristics for application of magnetorheological elastomer

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As a viscoelastic smart material with magnetic-control properties, a magnetorheological (MR) elastomer (MRE) is prepared by solidifying the magnetic particles (hardness) into the viscoelastic polymer matrix (softness). MRE is a magnetic-sensing smart material whose mechanical property can be controlled by external magnetic field. MRE possesses advantages of both MR material and elastomer, such as rapid response, good reversibility, excellent polymer properties and strong controllable capacity. It overcomes the disadvantages of sedimentation, poor stability and sealing problems of MR fluid (MRF). These advantages result in MRE having broad application prospects in the fields of noise reduction, vibration attenuation and smart sensing. Consequently, it has become a hotspot of MR materials in recent years. In this chapter, the MRE materials' preparation, characterization and application research are introduced. Finally, the future development of MREs is also prospected.

Chapter Contents:

  • 9.1 Overview of magnetorheological elastomer
  • 9.2 Material preparation of magnetorheological elastomer
  • 9.2.1 Matrix
  • 9.2.2 Magnetic particles
  • 9.2.3 Additives
  • 9.3 Test characterization of magnetorheological elastomers
  • 9.3.1 Mechanism of magnetorheological elastomers
  • 9.3.2 Application research of magnetorheological elastomer
  • 9.4 Conclusions and prospect
  • References

Inspec keywords: magnetorheology; viscoelasticity; intelligent sensors; materials preparation; elastomers; magnetic sensors; intelligent materials

Other keywords: magnetic particle solidification; mechanical property; enhanced magnetic-sensing characteristics; magnetorheological elastomer; external magnetic field; smart sensing; material preparation; viscoelastic smart material; viscoelastic polymer matrix; MRE; vibration attenuation; noise reduction; magnetic control properties

Subjects: Polymers and plastics (engineering materials science); Elasticity and anelasticity; Intelligent materials; Intelligent materials (engineering materials science); Intelligent sensors; Magnetic variables measurement; Sensing and detecting devices; Other methods of preparation of materials; Magnetic instruments and techniques; Anelasticity, internal friction and mechanical resonances; Viscoelasticity, plasticity, viscoplasticity, creep, and stress relaxation

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