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Polar molecule dominated electrorheological effect
Lu Kun-Quan; Shen Rong; Wang Xue-Zhao; Sun Gang; Wen Wei-Jia; Liu Ji-Xing; Lu, KQ , Chinese Acad Sci, Inst Phys, Beijing Natl Lab Condensed Matter Phys, POB 603, Beijing 100080, Peoples R China
2006
发表期刊CHINESE PHYSICS
ISSN1009-1963
卷号15期号:11页码:2476-2480
摘要The yield stress of our newly developed electrorheological (ER) fluids consisting of dielectric nano-particles suspended in silicone oil reaches hundreds of kPa, which is orders of magnitude higher than that of conventional ones. We found that the polar molecules adsorbed on the particles play a decisive role in such new ER fluids. To explain this polar molecule dominated ER (PM-ER) effect a model is proposed based on the interaction of polar molecule-charge between the particles, where the local electric field is significantly enhanced and results in the polar molecules aligning in the direction of the electric field. The model can well explain the giant ER effect and a near-linear dependence of the yield stress on the electric field. The main effective factors for achieving high-performance PM-ER fluids are discussed. The PM-ER fluids with the yield stress higher than one MPa can be expected.
部门归属Chinese Acad Sci, Inst Phys, Beijing Natl Lab Condensed Matter Phys, Beijing 100080, Peoples R China; Hong Kong Univ Sci & Technol, Dept Phys, Hong Kong, Hong Kong, Peoples R China; Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China
关键词Particle-particle Interactions High-yield Stress Fluids Spheres Force
学科领域Physics
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收录类别SCI
WOS记录号WOS:000242215500002
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文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/5876
专题理论物理所SCI论文
通讯作者Lu, KQ , Chinese Acad Sci, Inst Phys, Beijing Natl Lab Condensed Matter Phys, POB 603, Beijing 100080, Peoples R China
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GB/T 7714
Lu Kun-Quan,Shen Rong,Wang Xue-Zhao,et al. Polar molecule dominated electrorheological effect[J]. CHINESE PHYSICS,2006,15(11):2476-2480.
APA Lu Kun-Quan.,Shen Rong.,Wang Xue-Zhao.,Sun Gang.,Wen Wei-Jia.,...&Lu, KQ , Chinese Acad Sci, Inst Phys, Beijing Natl Lab Condensed Matter Phys, POB 603, Beijing 100080, Peoples R China.(2006).Polar molecule dominated electrorheological effect.CHINESE PHYSICS,15(11),2476-2480.
MLA Lu Kun-Quan,et al."Polar molecule dominated electrorheological effect".CHINESE PHYSICS 15.11(2006):2476-2480.
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