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Effect of Hard Magnetic Filler and Magnetization on Magneto-control Mechanical Behavior ofMagneto-active Elastomers |
ZHAO Huiting1, LIAO Changrong1,**( ), ZHANG Peng1, JIAN Xiaochun2 |
1. Key Lab for Optoelectronic Technology and Systems, Chongqing University, Chongqing 400030, China 2. Transportation Institute, Chongqing Jiaotong University, Chongqing 400074, China |
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Cite this article:
ZHAO Huiting, LIAO Changrong, ZHANG Peng, JIAN Xiaochun. Effect of Hard Magnetic Filler and Magnetization on Magneto-control Mechanical Behavior ofMagneto-active Elastomers. Chinese Journal of Materials Research, 2016, 30(6): 457-464.
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Abstract Two types of magneto-active elastomers (MAEs) with fillers of NdFeB powder and powder mixture of carbonyl iron and NdFeB are prepared respectively, and then they were all magnetized by different magnetization intensities. The microstructure of MAEs is characterized by KEYENCE VHX-600 digital microscope. The magnetization characteristic curves and the mechanical properties of MAEs weremeasured by VSM and MCR-301 rheometer respectively. The influence of the fraction and magnetic remanence intensity of the hard magnetic fillers on the magneto-control mechanical behavior of the MAEs was carefully examined.The results demonstrated that the mechanical properties of MAEs filled with NdFeB powder were affected strongly by the intensity of magnetic field adoped for magnetization treatments. An appropriate amount of the hard magnetic fillers and the magnetization by higher magnetic field intensity are beneficial to the improvement of the shear storage modulus of the MAEs.
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Received: 25 September 2015
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Fund: *Supported by National Natural Science Foundation of China No.51575065 and the Fundamental Research Funds for the Central Universities No.106112015CDJZR125517 |
About author: **To whom correspondence should be address, Tel: (023)65111017, E-mail: crliao@cqu.edu.cn |
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