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填充剂各向异性对磁活性弹性体单元力学响应的影响：单夹杂建模方法

Effects of Filler Anisometry on the Mechanical Response of a Magnetoactive Elastomer Cell: A Single-Inclusion Modeling Approach.

作者信息

Nadzharyan Timur A, Kramarenko Elena Yu

机构信息

Faculty of Physics, Lomonosov Moscow State University, 119991 Moscow, Russia.

出版信息

Polymers (Basel). 2023 Dec 29;16(1):118. doi: 10.3390/polym16010118.

DOI:10.3390/polym16010118
PMID:38201782
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC10780330/
Abstract

A finite-element model of the mechanical response of a magnetoactive elastomer (MAE) volume element is presented. Unit cells containing a single ferromagnetic inclusion with geometric and magnetic anisotropy are considered. The equilibrium state of the cell is calculated using the finite-element method and cell energy minimization. The response of the cell to three different excitation modes is studied: inclusion rotation, inclusion translation, and uniaxial cell stress. The influence of the magnetic properties of the filler particles on the equilibrium state of the MAE cell is considered. The dependence of the mechanical response of the cell on the filler concentration and inclusion anisometry is calculated and analyzed. Optimal filler shapes for maximizing the magnetic response of the MAE are discussed.

摘要

提出了磁活性弹性体（MAE）体积单元力学响应的有限元模型。考虑了包含具有几何和磁各向异性的单个铁磁夹杂物的单胞。使用有限元方法和单元能量最小化来计算单元的平衡状态。研究了单元对三种不同激励模式的响应：夹杂物旋转、夹杂物平移和单轴单元应力。考虑了填充颗粒的磁性对MAE单元平衡状态的影响。计算并分析了单元力学响应与填料浓度和夹杂物各向异性的关系。讨论了使MAE磁响应最大化的最佳填料形状。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0848/10780330/719b53c70946/polymers-16-00118-g014.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0848/10780330/95b371cc22fe/polymers-16-00118-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0848/10780330/fd063a4a7ac3/polymers-16-00118-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0848/10780330/73aeecad7dea/polymers-16-00118-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0848/10780330/8ff20a579617/polymers-16-00118-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0848/10780330/62744b1142b3/polymers-16-00118-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0848/10780330/05c5fb95751c/polymers-16-00118-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0848/10780330/5115224f863a/polymers-16-00118-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0848/10780330/6cfbaca2fec2/polymers-16-00118-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0848/10780330/9fd0bd5d6686/polymers-16-00118-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0848/10780330/95f0915a6ac9/polymers-16-00118-g011.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0848/10780330/719b53c70946/polymers-16-00118-g014.jpg

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