Study on Preparation and Performance of MRF for Torque Transmission

Zi Xin Dong; Chu Wen Guo; You Fu Hou; Qing Rui Meng; Fei Hu Li

doi:10.4028/www.scientific.net/AMR.328-330.1057

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 328-330Study on Preparation and Performance of MRF for...

Study on Preparation and Performance of MRF for Torque Transmission

Abstract:

Based on the requirements of torque transmission for stability and saturation magnetization of magnetorheological fluid (MRF), an orthogonal test was designed to arrange for the preparation of MRF. MRF was prepared by chemical co-precipitation method, in which Fe₃O₄ nano-particles were coated with polyethylene glycol(PEG-4000). The size and distribution of particles were observed by transmission electron microscope (TEM). The saturation magnetization was measured by vibrating sample magnetometer(VSM). Through analysis of variance of orthogonal test,an optimal method for preparing a highly stable and saturation magnetization MRF was summarized. Four main parameters in preparation of MRF were discussed, including the rate of amount of substance between Fe²⁺and Fe³⁺, the rate of amount of substance between PEG-4000 and Fe²⁺, reaction time and the reaction temperature. It has important practical significance on the study of magnetorheological transmission device.

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Periodical:

Advanced Materials Research (Volumes 328-330)

Pages:

1057-1061

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.328-330.1057

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Online since:

September 2011

Authors:

Zi Xin Dong, Chu Wen Guo, You Fu Hou, Qing Rui Meng, Fei Hu Li

Keywords:

MRF, Performance, Preparation, Torque Transmission

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