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首页> 外文期刊>Smart Materials & Structures >A new three-dimensional magnetoviscoelastic model for isotropic magnetorheological elastomers
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A new three-dimensional magnetoviscoelastic model for isotropic magnetorheological elastomers

机译：各向同性磁流变弹性体的新三维磁化型模型

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In this work, a four-parameter fractional derivative viscoelastic model was developed to describe the dynamic shear behaviour of magnetorheological elastomers (MREs) as a function of the matrix, particle content and magnetic field. The material parameters were obtained from experimental data measured with a Physica MCR 501 rheometer from the Anton Paar Company, equipped with a magnetorheological cell. The synthetised isotropic MRE samples were based on room-temperature vulcanising silicone rubber and spherical carbonyl iron powder micro particles as fillers, and seven volumetric particle contents were studied. The influence of particle contents was included in each parameter of the four-parameter fractional derivative model. The dependency of the storage modulus as a function of an external magnetic field ( magnetorheological (MR) effect) was studied, and a dipole-dipole interaction model was used. A new three-dimensional magneto-viscoelastic model was developed to couple the viscoelastic model, the particle-matrix interaction and the magneto-induced modulus model, which predicts the influence of the magnetic field and the particle content in the MR effect of isotropic MREs.
机译：在这项工作中，开发了一种四参数分数衍生物粘弹性模型以描述磁流变弹性体（MRE）作为基质，颗粒含量和磁场的函数的动态剪切行为。从Anton Paar公司用Physica MCR 501流变仪测量的实验数据获得了材料参数，配备有磁流变细胞。合成的各向同性MRE样品基于室温硫化硅橡胶和球形羰基铁粉微粒作为填料，并研究了七种体积颗粒内容物。颗粒内容物的影响包括在四参数分数衍生物模型的每个参数中。研究了存储模量作为外部磁场的函数（磁流变学（MR）效应）的依赖性，并使用偶极偶极相互作用模型。开发了一种新的三维磁 - 粘弹性模型，以耦合粘弹性模型，粒子基质相互作用和磁诱导模量模型，该模量模型预测各向同性MRE的MR效应中磁场和颗粒含量的影响。

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