磁流变弹性体的力-磁耦合模型

李旭; 万强; 史平安

doi:10.21656/1000-0887.380021

磁流变弹性体的力-磁耦合模型

doi: 10.21656/1000-0887.380021

中国工程物理研究院总体工程研究所, 四川绵阳 621999

基金项目: 国家自然科学基金（11372295）

详细信息

作者简介:
李旭（1990—），男，硕士生（E-mail: lixuchn@126.com）；万强（1979—），男，研究员，硕士生导师（通讯作者. E-mail: wanzhenyu@126.com）.

中图分类号: TB381|O343
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出版历程
- 收稿日期: 2017-01-17
- 修回日期: 2017-04-03
- 刊出日期: 2018-01-15

A Theoretical Model for MagnetoMechanical Coupling Behaviors of Magnetorheological Elastomers

¹Department of Electronics and Information Engineering, Bozhou College, Bozhou, Anhui 236800, P.R.China;²School of Mathematics & Computer Science, Anhui Normal University, Wuhu, Anhui 241003, P.R.China

Funds: The National Natural Science Foundation of China（11372295）

摘要

摘要: 以磁偶极子理论为基础，利用最小势能原理，从微观角度出发，研究了磁流变弹性体在单向载荷作用下的力磁耦合行为，提出了可以描述该行为的数学模型，分析了磁致应力非线性变化的规律和机理.该模型从磁流变弹性体的微观结构出发，考虑了所有铁磁颗粒的磁化特性，以及颗粒之间、链结构之间的相互作用，推导了磁相互作用能的表达式，采用MooneyRivlin模型给出了弹性势能表达式.最后运用最小势能原理，建立了描述磁流变弹性体在均匀磁场中力磁耦合行为的数学模型.该模型与实验结果吻合较好，并能从微观层面对磁流变弹性体的磁致应力变化规律做出解释.研究发现，磁流变弹性体的磁致应力在不同磁场下的变化规律不同，与材料内部的微结构紧密相关，铁磁颗粒之间及链结构之间的相互作用是导致磁致应力非线性变化的主要原因.
- 磁流变弹性体 /
- 理论模型 /
- 力-磁耦合 /
- 磁致应力
Abstract: Based on the magnetic dipole interaction theory, a theoretical model was proposed to describe the magneto-mechanical coupling behaviors of magnetorheological elastomers with the principle of minimum potential energy. In this model, the fully coupled interaction among all particles and chains was considered according to the micro-structure of magnetorheological elastomers. The energy equations of magnetic interaction and the elastic potential energy equations based on the Mooney-Rivlin model were derived respectively. Then a theoretical model was developed to describe the stress-strain relationship of magnetorheological elastomers under uniaxial load. This model agrees well with existing experimental data and can be used to explain the micro-mechanism of magneto-induced stress. The results show that the mechanism of magneto-induced stress is closely related to the inner micro-structure, and the nonlinear property of magneto-induced stress mainly depends on the interaction among both particles and chains.
- magnetorheological elastomer /
- theoretical model /
- magneto-mechanical coupling /
- magneto-induced stress

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参考文献(29)

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磁流变弹性体的力-磁耦合模型

doi: 10.21656/1000-0887.380021

作者简介:
李旭（1990—），男，硕士生（E-mail: lixuchn@126.com）；万强（1979—），男，研究员，硕士生导师（通讯作者. E-mail: wanzhenyu@126.com）.

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A Theoretical Model for MagnetoMechanical Coupling Behaviors of Magnetorheological Elastomers

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留言板

磁流变弹性体的力-磁耦合模型

doi: 10.21656/1000-0887.380021

作者简介: 李旭（1990—），男，硕士生（E-mail: lixuchn@126.com）；万强（1979—），男，研究员，硕士生导师（通讯作者. E-mail: wanzhenyu@126.com）.

计量

出版历程

A Theoretical Model for MagnetoMechanical Coupling Behaviors of Magnetorheological Elastomers

计量

出版历程

目录

作者简介:
李旭（1990—），男，硕士生（E-mail: lixuchn@126.com）；万强（1979—），男，研究员，硕士生导师（通讯作者. E-mail: wanzhenyu@126.com）.