Current magnetorheological (MR) fluids have the limitation that their yield stresses are not strong enough to meet some industrial requirements. X. Táng, X. Zhang, and R. Tao [J. App. Phys 87, 2634 (2000)] proposed a method to achieve high-efficiency MR fluids by study of squeeze-strengthen effect. But there is little report on its mechanism. This paper aims to investigate this effect through experimental and theoretical approaches. For this purpose, an apparatus is designed to experimentally study the mechanism of this squeeze-strengthen effect. Taking account of a modified magnetic dipole model and the friction effect, a semiempirical model is proposed to explain this effect. In addition, this model is expected to study the squeeze-strengthen effect in electrorheological fluids.
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15 August 2004
Research Article|
August 15 2004
Study on the mechanism of the squeeze-strengthen effect in magnetorheological fluids
X. Z. Zhang;
X. Z. Zhang
CAS Key Laboratory of Mechanical Behavior and Design of Materials, Department of Mechanics and Mechanical Engineering
, University of Science and Technology of China, Hefei, Anhui 230027, China
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X. L. Gong;
X. L. Gong
CAS Key Laboratory of Mechanical Behavior and Design of Materials, Department of Mechanics and Mechanical Engineering
, University of Science and Technology of China, Hefei, Anhui 230027, China
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P. Q. Zhang;
P. Q. Zhang
CAS Key Laboratory of Mechanical Behavior and Design of Materials, Department of Mechanics and Mechanical Engineering
, University of Science and Technology of China, Hefei, Anhui 230027, China
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Q. M. Wang
Q. M. Wang
Department of Precision Machinery and Precision Instrumentation
, University of Science and Technology of China, Hefei, Anhui 230027, China
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J. Appl. Phys. 96, 2359–2364 (2004)
Article history
Received:
November 21 2003
Accepted:
May 25 2004
Citation
X. Z. Zhang, X. L. Gong, P. Q. Zhang, Q. M. Wang; Study on the mechanism of the squeeze-strengthen effect in magnetorheological fluids. J. Appl. Phys. 15 August 2004; 96 (4): 2359–2364. https://doi.org/10.1063/1.1773379
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