Effect of surfactant on the dielectric and electrorheological properties of zinc borate/silicone oil dispersions

Omer Yunus Gumus; Halil Ibrahim Unal

doi:10.1007/s12613-019-1853-2

Volume 26 Issue 12

Dec. 2019

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文章导航 > 矿物冶金与材料学报（英文） > 2019 > 26(12): 1523-1530

Omer Yunus Gumusand Halil Ibrahim Unal, Effect of surfactant on the dielectric and electrorheological properties of zinc borate/silicone oil dispersions, Int. J. Miner. Metall. Mater., 26(2019), No. 12, pp. 1523-1530. https://doi.org/10.1007/s12613-019-1853-2

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Omer Yunus Gumusand Halil Ibrahim Unal, Effect of surfactant on the dielectric and electrorheological properties of zinc borate/silicone oil dispersions, Int. J. Miner. Metall. Mater., 26(2019), No. 12, pp. 1523-1530. https://doi.org/10.1007/s12613-019-1853-2

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研究论文

Effect of surfactant on the dielectric and electrorheological properties of zinc borate/silicone oil dispersions

Bursa Technical University, Engineering and Natural Sciences Faculty, Fiber and Polymer Engineering Department, Bursa 16310, Turkey
Gazi University, Science Faculty, Chemistry Department, Smart Materials Research Lab. Ankara 06500, Turkey

通讯作者:
Omer Yunus Gumus E-mail: omer.gumus@btu.edu.tr

中文摘要

Zinc borate (ZB) particles dispersed in silicone oil (SO) at concentrations of φ=5vol%-20vol% were subjected to dielectric analysis to elucidate their polarization strength, time, and mechanism. Results revealed that all virgin dispersions lacked polarization. Triton X-100, a non-ionic surfactant, was added to ZB/SO dispersions to enhance the polarizability of ZB particles. The addition of 1vol% Triton X-100 enhanced the polarizability of ZB/SO dispersions, and the 15vol%ZB/SO system provided the highest dielectric difference Δε' (the difference in ε' values at zero and infinite frequency, Δε'=ε₀-ε_µ) of 3.64. The electrorheological (ER) activities of the ZB/SO/Triton-X dispersion system were determined through the ER response test, and viscoelastic behaviors were investigated via oscillation tests. A recoverable deformation of 36% under an applied electrical field strength of 1.5 kV/mm was detected through creep and creep recovery tests.

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Research Article

Effect of surfactant on the dielectric and electrorheological properties of zinc borate/silicone oil dispersions

Omer Yunus Gumus^1, and
Halil Ibrahim Unal²

+ Author Affiliations

Abstract

Abstract

Zinc borate (ZB) particles dispersed in silicone oil (SO) at concentrations of φ=5vol%-20vol% were subjected to dielectric analysis to elucidate their polarization strength, time, and mechanism. Results revealed that all virgin dispersions lacked polarization. Triton X-100, a non-ionic surfactant, was added to ZB/SO dispersions to enhance the polarizability of ZB particles. The addition of 1vol% Triton X-100 enhanced the polarizability of ZB/SO dispersions, and the 15vol%ZB/SO system provided the highest dielectric difference Δε' (the difference in ε' values at zero and infinite frequency, Δε'=ε₀-ε_µ) of 3.64. The electrorheological (ER) activities of the ZB/SO/Triton-X dispersion system were determined through the ER response test, and viscoelastic behaviors were investigated via oscillation tests. A recoverable deformation of 36% under an applied electrical field strength of 1.5 kV/mm was detected through creep and creep recovery tests.
- zinc borate;
- electrorheological fluids;
- dielectric analysis;
- surfactant

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Effect of surfactant on the dielectric and electrorheological properties of zinc borate/silicone oil dispersions

中文摘要

Effect of surfactant on the dielectric and electrorheological properties of zinc borate/silicone oil dispersions

Abstract

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