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HU Lin, ZHANG Chao-ping, LUO Yu-ping, et al. STRUCTURE OF IRON/PROTEIN COMPLEX PARTICLE AND ITS MR PROPERTIES[J]. Acta Materiae Compositae Sinica, 2001, 18(3): 14-17.
Citation: HU Lin, ZHANG Chao-ping, LUO Yu-ping, et al. STRUCTURE OF IRON/PROTEIN COMPLEX PARTICLE AND ITS MR PROPERTIES[J]. Acta Materiae Compositae Sinica, 2001, 18(3): 14-17.
shu

STRUCTURE OF IRON/PROTEIN COMPLEX PARTICLE AND ITS MR PROPERTIES

  • 1.

    Department of Physics, Chemistry in College of Science and Technology, Guizhou University, Guiyang 550025,China;

  • 2.

    Department of Physics, Fudan University, Shanghai 200433,China

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  • Received Date: November 23, 1999
  • Revised Date: April 03, 2000
    Abstract
  • Magnetorheological fluid (MRF) has drawn much attention due to its powerful shearing stress. The yield stress of MRF is about ten times greater than that of electrorheological fluid (ERF). But a projecting question is the subsidence of particles as a result of gravity for magnetorheological fluid. Fe particles have been prepared with microemulsion, and being coated by protein, polymeric protein-Fe particles have been obtained. The preparation of MRF, and XRD,TEM,IR analysis of surface structure for protein-Fe have been reported in the paper. The magnetorheological, temperature effects and subsidence stability have been investigated also on MRF of protein-Fe. The results show that the protein-Fe is a complex particle composition from crystal α-Fe and non-crystal protein. The magnetorheological fluid has good magnetorheological effect, and its subsidence stability is excellent compared with the single carbonyl iron.
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