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Published in: Journal of Sol-Gel Science and Technology 3/2023

23-09-2023 | Original Paper: Nano-structured materials (particles, fibers, colloids, composites, etc.)

A new shear stress model of magnetorheological gels considering interchain interactions

Authors: Yang Zhuang, Haitao Li, Shangwei Song, Xianghe Peng

Published in: Journal of Sol-Gel Science and Technology | Issue 3/2023

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Abstract

Magnetorheological gels (MRGs) have better anti-settling performance than magnetorheological fluids (MRFs). Currently, the research on the properties of MRGs mostly depends on experimental characterization, and the theoretical analysis and model description are still lacking. In this work, a new model was established to describe the shear stress of MRGs. Different from the traditional chain models for magnetorheological materials, the proposed model can take into account not only the interactions within the chain but also the interactions with other chains. The contributions of particles and carriers to shear stress under different fields were also analyzed. A new description for the magnetization of MRGs was proposed and compared with the Frohlich-Kennelly equation. The calculated results of the proposed model were compared with experiment and it is found that both are in good agreement. This work can better predict the rheological properties of MRGs under different conditions and is also useful for the design of magnetorheological devices.

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Metadata
Title
A new shear stress model of magnetorheological gels considering interchain interactions
Authors
Yang Zhuang
Haitao Li
Shangwei Song
Xianghe Peng
Publication date
23-09-2023
Publisher
Springer US
Published in
Journal of Sol-Gel Science and Technology / Issue 3/2023
Print ISSN: 0928-0707
Electronic ISSN: 1573-4846
DOI
https://doi.org/10.1007/s10971-023-06224-5

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