Experimental research and modeling of magnetorheological elastomers
Experimental research and modeling of magnetorheological elastomers
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DOI：
10.1177/1045389x04039264
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发表时间：
2004-01-01
影响因子：
2.7
通讯作者：
Heppler, GR
中科院分区：
文献类型：
--
作者：
Shen, Y;Golnaraghi, MF;Heppler, GR
本文介绍了制备磁流变弹性体的新方法。成功制备了两种不同的MR弹性体，一种由聚氨酯制成，另一种由天然橡胶制成。实验结果表明，在强磁场作用下，聚氨酯MR弹性体的模量可提高28%。相比之下，橡胶MR弹性体的模量变化能力较低。提出了磁流变弹性体应力应变关系的数学模型。该模型考虑了链中所有的偶极相互作用和复合材料的非线性性质。模型分析结果与实验数据吻合较好。
In this paper, new methods for fabricating magnetorheological (MR) elastomers are introduced. Two different MR elastomers, one made of polyurethane and the other made of natural rubber, are successfully fabricated. The experimental results show that the modulus of polyurethane MR elastomers can increase by 28% under a strong magnetic field. Comparatively, the rubber MR elastomer has low modulus change ability. A mathematical model to represent the stress-strain relationship of MR elastomers is presented. The model takes into account all the dipole interactions in a chain and the nonlinear properties of the host composite. The analytical results of the model are in agreement with experimental data.