Effect of Temperature as a Function of Magnetic Field and Frequency on the Magnetorheological Properties of the Smart Composite Elastomer

IF 1 4区 化学 Q4 POLYMER SCIENCE Polymer Science, Series A Pub Date : 2024-09-16 DOI:10.1134/S0965545X24600789
A. Khebli, M. Tourab, S. Aguib, N. Chikh, A. Nour, R. Harhout, T. Djedid, S. Rouabah
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Abstract

Magnetorheological elastomers (MREs) are known to be smart composite materials able to storing and dissipating part of the energy when subjected to external excitation (magnetic field, temperature, frequency). In this paper, anisotropic magnetorheological elastomers containing 20, 30, and 40% of the micrometric iron particles MRE prepared. The magnetorheological characteristics such as, storage modulus, loss modulus and loss factor MRE measured by dynamic mechanical analysis (DMA) over a range of frequencies (0.01 to 100 Hz), strain amplitudes (0.01 to 20%) and temperatures (0 to 100°C). The magnetorheological elastomer during dynamic mechanical characterization is subjected to a constant magnetic field intensity value of 0.2 T. Increasing the excitation frequency also increases the magnetomechanical properties of the MRE. The temperature has a reversible effect with the frequency, we see that when we increase the temperature, the magnetomechanical properties of the MRE decrease. The experimental results precisely showed the variation of the dynamic moduli (storage modulus, loss modulus and shear loss factor) of the anisotropic MRE loaded with 20, 30, and 40% ferromagnetic particles as a function of the parameters of influence such as: frequency and temperature.

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温度作为磁场和频率的函数对智能复合弹性体磁流变特性的影响
摘要 众所周知,磁流变弹性体(MREs)是一种智能复合材料,在受到外部激励(磁场、温度、频率)时能够存储和耗散部分能量。本文制备了含有 20%、30% 和 40% 微米铁颗粒的各向异性磁流变弹性体。在频率(0.01 至 100 Hz)、应变幅度(0.01 至 20%)和温度(0 至 100°C)范围内,通过动态机械分析(DMA)测量了磁流变特性,如存储模量、损耗模量和损耗因子 MRE。在动态机械特性分析过程中,磁流变弹性体受到 0.2 T 的恒定磁场强度值的作用。温度与频率具有可逆效应,当温度升高时,MRE 的磁力学性能降低。实验结果精确显示了负载 20%、30% 和 40% 铁磁性颗粒的各向异性 MRE 的动态模量(存储模量、损耗模量和剪切损耗因子)随频率和温度等影响参数的变化情况。
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来源期刊
Polymer Science, Series A
Polymer Science, Series A 化学-高分子科学
CiteScore
1.70
自引率
0.00%
发文量
55
审稿时长
3 months
期刊介绍: Polymer Science, Series A is a journal published in collaboration with the Russian Academy of Sciences. Series A includes experimental and theoretical papers and reviews devoted to physicochemical studies of the structure and properties of polymers (6 issues a year). All journal series present original papers and reviews covering all fundamental aspects of macromolecular science. Contributions should be of marked novelty and interest for a broad readership. Articles may be written in English or Russian regardless of country and nationality of authors. All manuscripts are peer reviewed. Online submission via Internet to the Series A, B, and C is available at http://polymsci.ru.
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