We analyzed a relationship between the viscosity and fine current of the ER suspension aiming for an estimation of the inner structure. This study aimed at an estimation of the inner structure formation via the fine current pass through the suspension. Viscosity and electrical current through electrodes were measured using similar apparatuses, and the relationship between the viscosity and fine current was investigated. The ER suspension was prepared by adding silica particles of 0.5 μm diameter to silicone oil of 0.291 Pa˙s viscosity. The solid volume fraction was 0.20. The voltage was varied from 0 to 1.5 kV/mm. The viscosity of the ER suspension was measured by a falling time in a rectangular tube. As a result, the fine current was found to correlate with the viscosity of the ER suspension. It indicated the possibility that the inner structure of the ER suspension can be estimated using the fine current through the ER suspension. © 2021 Institute of Electrical Engineers of Japan. Published by Wiley Periodicals LLC.

中文翻译：

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粘度与电流变悬浮微电流之间的关系，以预测内部结构

我们分析了ER悬浮液的粘度和微电流之间的关系，旨在估算内部结构。这项研究的目的是通过流经悬架的细电流来估计内部结构的形成。使用类似的设备测量通过电极的粘度和电流，并且研究粘度和微电流之间的关系。ER悬浮液的制备方法是，将直径为0.5μm的二氧化硅颗粒添加到粘度为0.291 Pa·s的硅油中。固体体积分数为0.20。电压在0至1.5kV / mm之间变化。ER悬浮液的粘度通过在矩形管中的下降时间来测量。结果，发现细电流与ER悬浮液的粘度相关。这表明可以使用流过ER悬架的细电流来估计ER悬架的内部结构的可能性。©2021日本电气工程师学会。由Wiley Periodicals LLC发布。