Transient response of magnetorheological elastomers to step magnetic field

被引：14
|
作者：
Wen, Qianqian [1 ]
Wang, Yu [1 ]
Feng, Jiabin [1 ]
Gong, Xinglong [1 ]
机构：
[1] Univ Sci & Technol China, CAS Key Lab Mech Behav & Design Mat, Dept Modern Mech, Hefei 230027, Anhui, Peoples R China
来源：
APPLIED PHYSICS LETTERS | 2018年 / 113卷 / 08期
基金：
中国国家自然科学基金;
关键词：
ISOLATOR; MODULUS;
D O I：
10.1063/1.5048368
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The time-dependent performance of magnetorheological elastomers (MREs) under a magnetic field is important for the precise control of smart devices based on MREs. Here, the transient responses of anisotropic magnetorheological elastomers, including magnetic field-induced storage modulus (Delta G') and loss modulus (Delta G ''), were investigated under different step magnetic fields. The results indicated that Delta G' increased over time while Delta G '' decreased after the initial jump in the loading stage of the step field. Delta G' quickly dropped to 0, while Delta G '' continued to decrease gradually in the removal stage of the step field. A comprehensive model based on magnetic dipolar and viscoelastic parameter models was proposed to explain the transient responses. Published by AIP Publishing.
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页数：4
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