Effect of Urea Content on Properties and Microstructure of Ni/TiO2 Group Particles ER Fluid

Suo Kui Tan; Xiao Ping Song; Hong Zhao; Song Ji; Hong Yan Guo; Yu Hong Sun

doi:10.4028/www.scientific.net/AMR.496.25

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 496Effect of Urea Content on Properties and...

Effect of Urea Content on Properties and Microstructure of Ni/TiO₂ Group Particles ER Fluid

Abstract:

This paper emphasis have researched the effect of Ni/TiO₂ group particles modifier with Urea by properties and microstructure，it has showed that ER activity of the particles were closely associated with urea content. When the mass ratio of urea/Ti is 30%, The microstructure observation of the ER fluids under DC electric field showed that the particles aggregated to form thicker and dense column structure when the mass ratio of Urea/Ti is 30%, while the column structure were broken when excessive urea (>30%) was added. A thin and loose column structure was formed in non-urea added ER fluid.