Study on a Dynamic Stiffness-tuning Absorber with Squeeze-strain Enhanced Magnetorheological Elastomer

Ni, Zhanshi; Gong, Xinglong; Li, J.F.; Chen, L.

doi:10.1177/1045389x09104790

Cited by 43 publications

(32 citation statements)

References 22 publications

(25 reference statements)

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“…MR elastomer working in field-active mode can be used to design various actuators [75,77]. Examples of shear mode devices include vibration absorbers [62][63][64][65][66][67][68][69][70], vibration isolators [16,71,[89][90] and base isolators [20,[78][79]93]. Examples of squeeze/elongation mode devices are vibration absorbers [64][65], engineering mounts [76] and compressive spring elements [22].…”

Section: Operation Modesmentioning

confidence: 99%

A state-of-the-art review on magnetorheological elastomer devices

Li¹,

Li²,

Li³

et al. 2014

Smart Mater. Struct.

514

385

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During the last few decades, magnetorheological (MR) elastomers have attracted a significant amount of attention for their enormous potential in engineering applications. Because they are a solid counterpart to MR fluids, MR elastomers exhibit a unique field-dependent material property when exposed to a magnetic field, and they overcome major issues faced in magnetorheological fluids, e.g. the deposition of iron particles, sealing problems and environmental contamination. Such advantages offer great potential for designing intelligent devices to be used in various engineering fields, especially in fields that involve vibration reduction and isolation. This paper presents a state of the art review on the recent progress of MR elastomer technology, with special emphasis on the research and development of MR elastomer devices and their applications. To keep the integrity of the knowledge, this review includes a brief introduction of MR elastomer materials and follows with a discussion of critical issues involved in designing magnetorheological elastomer devices, i.e. operation modes, coil placements and principle fundamentals. A comprehensive review has been presented on the research and development of MR elastomer devices, including vibration absorbers, vibration isolators, base isolators, sensing devices, and so on. A summary of the research on the modeling mechanical behavior for both the material and the devices is presented. Finally, the challenges and the potential facing magnetorheological elastomer technology are discussed, and suggestions have been made based on the authors' knowledge and experience. Abstract:During last decades, magnetorheological (MR) elastomer has attracted significant amount of attention for its enormous potentials in engineering applications. Being a solid counterpart of MR fluids, MR elastomers exhibit unique field-dependent material property when being exposed to magnetic field, in meanwhile overcoming major issues faced in magnetorheological fluids, e.g. deposition of iron particles, sealing problem and environmental contamination. Such advantages offer great potentials for designing intelligent devices to be used in various engineering fields, especially for vibration reduction and isolation. This paper presents a state-of-the-art review on the recent progress of MR elastomer technology, with special emphasis on research and development of MR elastomer devices and their applications. To keep the integrity of the knowledge, the review includes a brief introduction of the MR elastomer materials and follows by discussion of critical issues in designing magnetorheological elastomer devices, i.e. operation modes, coil placements and principle fundamentals. A comprehensive review has been presented research and development of MR elastomer devices, including vibration absorbers, vibration isolators, base isolators, sensing devices and so on. Summary of research on modeling mechanical behavior for both material and devices are presented. Finally, challenges and potentials facing ...

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Section: Operation Modesmentioning

confidence: 99%

A state-of-the-art review on magnetorheological elastomer devices

Li¹,

Li²,

Li³

et al. 2014

Smart Mater. Struct.

514

385

View full text Add to dashboard Cite

show abstract

“…Magneto-sensitive elastomers (MSEs), also known as magnetorheological elastomers, are high-tech materials that can change their shape and mechanical behaviour under external magnetic fields [1]. Nowadays, MSEs have found a wide range of industrial applications in controllable membranes, rapidresponse interfaces designed to optimize mechanical systems and in automobile applications such as adaptive tuned vibration absorbers, stiffness tunable mounts and automobile suspensions [2][3][4][5][6][7][8].…”

Section: Introductionmentioning

confidence: 99%

Effects of particle distribution on mechanical properties of magneto-sensitive elastomers in a homogeneous magnetic field

Ivaneyko¹,

Toshchevikov²,

Saphiannikova³

et al. 2012

Condens. Matter Phys.

111

134

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We propose a theory which describes the mechanical behaviour of magneto-sensitive elastomers (MSEs) under a uniform external magnetic field. We focus on the MSEs with isotropic spatial distribution of magnetic particles. A mechanical model is used in which magnetic particles are arranged on the sites of three regular lattices: simple cubic, body-centered cubic and hexagonal close-packed lattices. By this we extend our previous approach [Ivaneyko D. et al., Macromolecular Theory and Simulations, 2011, 20, 411] which used only a simple cubic lattice for describing the spatial distribution of the particles. The magneto-induced deformation and the Young's modulus of MSEs are calculated as functions of the strength of the external magnetic field. We show that the magneto-mechanical behaviour of MSEs is very sensitive to the spatial distribution of the magnetic particles. MSEs can demonstrate either uniaxial expansion or contraction along the magnetic field and the Young's modulus can be an increasing or decreasing function of the strength of the magnetic field depending on the spatial distribution of the magnetic particles.

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“…MR fluids are widely used to develop semi-active damping devices, such as dampers, clutches and brakes [1]. MREs have found applications in developing adaptive tuned vibration absorbers [11][12][13][14][15].…”

Section: Introduction To Magnetorheological Materialsmentioning

confidence: 99%

Magnetorheological Elastomers and Their Applications

Zhang

2013

Advanced Structured Materials

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Study on a Dynamic Stiffness-tuning Absorber with Squeeze-strain Enhanced Magnetorheological Elastomer

Cited by 43 publications

References 22 publications

A state-of-the-art review on magnetorheological elastomer devices

A state-of-the-art review on magnetorheological elastomer devices

Effects of particle distribution on mechanical properties of magneto-sensitive elastomers in a homogeneous magnetic field

Magnetorheological Elastomers and Their Applications

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