The dependence of particle permittivity on the shear stress of electrorheological fluids

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	The dependence of particle permittivity on the shear stress of electrorheological fluids
	Lan, YC ; Men, SQ ; Zhao, XP ; Lu, KQ
刊名	APPLIED PHYSICS LETTERS
	1998
卷号	72 期号:6 页码:653
关键词	FORCES CONDUCTIVITY MODEL
ISSN号	0003-6951
通讯作者	Lan, YC (reprint author), Chinese Acad Sci, Inst Phys, POB 603, Beijing 100080, Peoples R China.
中文摘要	A ferroelectric TGS particle/silicone oil electrorheological (ER) fluid is introduced to investigate the dielectric dependence of the ER effect. The dielectric constant of ferroelectric changes violently with temperature at the Curie temperature (T-c). By measuring temperature dependence of shear stress across T,, the effect of dielectric constant on shear stress can be directly obtained. All the results are more reliable due to the same conditions, such as size, shape, composition of particles, as well as the same chemical nature of particles and interface property between particles and liquid. The measurement was carried out under a high-frequency (1000 Hz) ac electric field where ER effect is dielectric constant dominated. For the first time, the dependence of the ER effect on dielectric mismatch has been quantitatively obtained experimentally. There is an obvious deviation of available theoretical calculations from our measured data. A more rigorous theoretical study should be developed to quantitatively interpret the relation of the shear stress and the permittivity mismatch factor. (C) 1998 American Institute of Physics.
收录类别	SCI
语种	英语
公开日期	2013-09-23
内容类型	期刊论文
源URL	[http://ir.iphy.ac.cn/handle/311004/44987]
专题	物理研究所_物理所公开发表论文_物理所公开发表论文_期刊论文
推荐引用方式 GB/T 7714	Lan, YC,Men, SQ,Zhao, XP,et al. The dependence of particle permittivity on the shear stress of electrorheological fluids[J]. APPLIED PHYSICS LETTERS,1998,72(6):653.
APA	Lan, YC,Men, SQ,Zhao, XP,&Lu, KQ.(1998).The dependence of particle permittivity on the shear stress of electrorheological fluids.APPLIED PHYSICS LETTERS,72(6),653.
MLA	Lan, YC,et al."The dependence of particle permittivity on the shear stress of electrorheological fluids".APPLIED PHYSICS LETTERS 72.6(1998):653.