High performance calcium titanate nanopartical ER fluids

被引：0
|
作者：
Wang, XZ [1 ]
Shen, R [1 ]
Wen, WJ [1 ]
Lu, KQ [1 ]
机构：
[1] Chinese Acad Sci, Inst Phys, Beijing 100080, Peoples R China
来源：
Electrorheological Fluids and Magnetorheological Suspensions (ERMR 2004), Proceedings | 2005年
关键词：
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A type of calcium titanate (CTO) nanoparticles was synthesized by means of wet chemical method [1] without coating on the particles. The CTO/silicone oil ER fluid exhibits excellent electrorheological properties: high shear stress (similar to 50-100 kPa) under dc electric field, a low current density (less than 2 mu A/cm2 at 5kV/mm), and long term stability against sedimentation. Although there are not special additives in the ER fluids, it is found from the chemical analysis that a trace of alkyl group, hydroxyl group, carbonyl group and some ions is remained in the particles which may dominate the ER response.
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页码：48 / 51
页数：4
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