电流变流体的声速和衰减测量

2016 Symposium on Piezoelectricity, Acoustic Waves, and Device Applications (SPAWDA) Pub Date : 2016-10-01 DOI:10.1109/SPAWDA.2016.7829978

Xiao-yu Wang, Ning-wei Ma, W. Hao-dong, Hao Wang, Ya-ying Hong, Chuanxi Qin, De Zhang

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引用次数: 1

摘要

电流变流体(ERF)是一种智能功能材料，它可以在电场作用下由类液体状态转变为类固体状态，同时改变材料的表观粘度、声衰减和声阻抗等物理性质。本文选择了三种电极表面形貌来改变ERF系统的声学参数和纵波平行于电场传播时的漏电流。通过对转换规律的分析，可以很容易地找到适合实际需求的最优ERF应用系统。

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Measurement of acoustic velocity and attenuation of electrorheological fluids

Electrorheological fluid (ERF) is a smart functional material which can transpose from liquid-like state to solid-like state under the action of an electric field, along with this process, the physical properties of the material will be changed such as apparent viscosity, acoustic attenuation and acoustic impendence. In this paper, three kinds of electrode surface morphology are chosen to vary the acoustic parameters of ERF systems and the leaky current when the longitudinal wave propagates parallel to the electric field. Through the analysis of the transformation laws, an optimum ERF application system for actual requirements could be easily found.

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2016 Symposium on Piezoelectricity, Acoustic Waves, and Device Applications (SPAWDA)

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