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| Novel High Performance Compressible Magneto-rheological Fluids Based on Elastic Cement |
Lei XIE1,Changrong LIAO1,**( ),Zhijiang ZHOU1,Zhi ZENG2,Yong LI2,Zhuqiang LI1 |
1. Key Lab. of Opto-electronic Technology & Systems, Ministry of Education, Chongqing University,Chongqing, 400044
2. Zhuzhou Times New Material Technology Co., Ltd., Zhuzhou, 412007 |
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Cite this article:
Lei XIE,Changrong LIAO,Zhijiang ZHOU,Zhi ZENG,Yong LI,Zhuqiang LI. Novel High Performance Compressible Magneto-rheological Fluids Based on Elastic Cement. Chinese Journal of Materials Research, 2014, 28(11): 821-827.
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Abstract A novel magneto-rheological (MR) material, i.e. MR elasticity cement (MREC), was proposed specific for vibration reduction of heavy equipments. High viscosity (≥200 Pas) polysiloxanes based elasticity cement (EC) was used as the carrier of Magneto-rheological fluid (MRF). Three MRECs were prepared from ECs with different viscosities. The prepared EC samples were characterized by an ATR-FTIR spectroscopy. The compressibility of MREC was also tested. The results show that no precipitation could be observed for the prepared MREC after 30 d storage; the MREC exhibited strong MR effect (shear stress of 800 Pas and 60% mass fraction based sample is about 120 kPa in a magnetic field of 0.54T, i.e. 15.4 times the off-state value, and even exceeds the shear stress limit of the rheometer under high magnetic field). Besides, a unique “V-slot MR effect” was first time found. The special helical molecule structure of EC was considered to be responsible for this effect and the unique performance of MRECs.
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Received: 25 April 2014
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| Fund: *Supported by National Key Technology Research and Development Program of the Ministry of Science and Technology of China No. 2012BAF06B04, the Fundamental Research Funds for the Central Universities No.CDJZR13120049, Program on Basic and Frontier Research of Chongqing No.CSTC2013JJB60001, and State Scholarship Fund of China No.201306050092. |
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