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Current Nanoscience

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ISSN (Print): 1573-4137
ISSN (Online): 1875-6786

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Research Article

A Study on the Effects of Multiwall Carbon Nanotubes on Dynamic Stiffness of Hydrophilic-base Magnetorheological Gel

Author(s): Young-Keun Kim, Jangheon Kim, Daeik Jang, Soohyun Kim and Wonsuk Jung*

Volume 15, Issue 3, 2019

Page: [319 - 323] Pages: 5

DOI: 10.2174/1573413714666181023144334

Price: $65

Abstract

Background: Recently, addition of multi-walled-carbon-nanotubes (MWCNTs) has been researched to enhance the rheological properties of magnetorheological (MR) materials of fluid, elastomer and gel. However, there is a lack of study on the effects of MWCNTs on hydrophilic based MR gels (MRG), which have shown a high potential to be applied in smart vibration control systems.

Objective: This study is aimed to analyze the effect of MWCNTs on the dynamic stiffness of hydrophilic based MRG.

Method: Dynamic stiffness of hydrophilic based MRG was experimentally computed under different magnetic fields and strain amplitudes.

Results: Experimental results indicate that the addition of MWCNTs in hydrophilic MRG showed overall degradation of stiffness variation in contradictory to similar research performed on silicon oil based MR gel.

Conclusion: These contradictory results reveal that MRGs of hydrophilic base have a different interaction with MWCNTs than hydrophobic oil base.

Keywords: Magnetorheological gel, hybrid composites, multi-walled carbon nanotubes, magnetorheological composites, dynamic stiffness, hydrophilic-base.

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