Motion behaviour of magneto-sensitive elastomers controlled by an external magnetic field for sensor applications

Volkova, Tatiana; Böhm, Valter; Kaufhold, Tobias; Popp, J.; Becker, Felix; Borin, Dmitry; Степанов, Г. В.; Zimmermann, Klaus

doi:10.1016/j.jmmm.2016.10.009

Cited by 50 publications

(20 citation statements)

References 11 publications

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“…Fax: 49 (0)711 68563658; Tel: 49 (0)711 68563593; E-mail: pkreissl@, holm@, weeber@icp.uni-stuttgart.de e.g., changing their shape, motion, or elastic properties using external fields, which makes them interesting candidates for a variety of applications. [21][22][23][24][25][26][27][28] On the other hand, MNPs can be viewed as probes that are used to asses the local behaviour of a polymeric environment. A well established experimental technique for that is the so-called AC susceptometry, where a (sinusoidal modulated) external magnetic field is applied to a sample.…”

Section: Introductionmentioning

confidence: 99%

Frequency-dependent magnetic susceptibility of magnetic nanoparticles in a polymer solution: a simulation study

2021

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Section: Introductionmentioning

confidence: 99%

Frequency-dependent magnetic susceptibility of magnetic nanoparticles in a polymer solution: a simulation study

2021

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“…Nowadays magnetorheological elastomer (MRE) has attracted much attention since, in addition to its magnetic and rheological properties, it presents uncommon electrical properties leading to various engineering applications, for example, vibration absorbers [1][2][3], electromagnetic waves absorbers [4], dampers [5,6], and sensors [7,8]. MREs are smart materials with properties that can be altogether changed in a controlled manner by outer stimuli, for example, magnetic field, electric-magnetic field, temperature, and pH [9,10]. The sensitivity to the magnetic field is provided by magnetic nano-or microparticles incorporated into the polymer [11,12].…”

Section: Introductionmentioning

confidence: 99%

Rheological and Resistance Properties of Magnetorheological Elastomer with Cobalt for Sensor Application

et al. 2020

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Cobalt particles have been introduced as a filler due to the advantages of embedding their magnetic and electrical properties in magnetorheological elastomer (MRE). In the present research, the rheology and resistance of MRE are experimentally evaluated. Isotropic and anisotropic MRE samples containing silicone rubber and cobalt particles were fabricated. The magnetic properties of MRE are conducted using a vibrating sample magnetometer (VSM). The morphological aspects of MRE are observed by using field emission scanning electron microscopy (FESEM) and characterized by energy-dispersive X-ray spectroscopy (EDX). Rheological properties under various magnetic field strengths were measured for the magnetic field, strain amplitude, and frequency sweep test by using a parallel-plate rheometer. Subsequently, the resistance of MRE is tested under different applied forces and magnetic fields. The MRE storage modulus depicted an enhancement in field-dependent modulus across all the applied magnetic fields. The electrical resistance generated from the sample can be manipulated by external magnetic fields and mechanical loads. The conductivity of MRE is due to the existence of cobalt arrangements observed by FESEM. By introducing cobalt as filler and obtaining satisfactory results, the study might open new avenues for cobalt to be used as filler in MRE fabrication for future sensing applications.

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“…Since the strong coupling of magnetic and mechanical fields allows us to induce mechanical deformations that are significantly larger than magneto-strictive effects observed for single-phase materials [ 25 , 26 , 27 ], MAEs have attracted considerable research interest in the fields of micro-robots [ 28 ] and -pumps [ 29 ], as well as coating materials with variable shapes [ 30 ]. The ability to control their mechanical modulus using an external magnetic field also allows for technical applications in the areas of actuators and sensors [ 31 , 32 , 33 ], vibration absorbers [ 34 ], as well as prosthetic devices with tunable stiffness [ 35 ].…”

Section: Introductionmentioning

confidence: 99%

Benchmark for the Coupled Magneto-Mechanical Boundary Value Problem in Magneto-Active Elastomers

et al. 2021

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Within this contribution, a novel benchmark problem for the coupled magneto-mechanical boundary value problem in magneto-active elastomers is presented. Being derived from an experimental analysis of magnetically induced interactions in these materials, the problem under investigation allows us to validate different modeling strategies by means of a simple setup with only a few influencing factors. Here, results of a sharp-interface Lagrangian finite element framework and a diffuse-interface Eulerian approach based on the application of a spectral solver on a fixed grid are compared for the simplified two-dimensional as well as the general three-dimensional case. After influences of different boundary conditions and the sample size are analyzed, the results of both strategies are examined: for the material models under consideration, a good agreement of them is found, while all discrepancies can be ascribed to well-known effects described in the literature. Thus, the benchmark problem can be seen as a basis for future comparisons with both other modeling strategies and more elaborate material models.

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Motion behaviour of magneto-sensitive elastomers controlled by an external magnetic field for sensor applications

Cited by 50 publications

References 11 publications

Frequency-dependent magnetic susceptibility of magnetic nanoparticles in a polymer solution: a simulation study

Frequency-dependent magnetic susceptibility of magnetic nanoparticles in a polymer solution: a simulation study

Rheological and Resistance Properties of Magnetorheological Elastomer with Cobalt for Sensor Application

Benchmark for the Coupled Magneto-Mechanical Boundary Value Problem in Magneto-Active Elastomers

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