Magnetic Composites of Conducting Polyaniline/nano-sized Magnetite and Their Magnetorheology
作者： Ji Hye Kim , Fei Fei Fang , Hyoung Jin Choi , Yongsok Seo
DOI: 10.1016/J.MATLET.2008.01.067
关键词:
摘要: Abstract Magnetorheological (MR) fluids, composed of colloidal particles dispersed in a carrier liquid, possess controllable rheological properties by an external magnetic field, showing dramatic changes yield stress and shear viscosity caused transformation between solid-like to liquid-like state. As new MR material, we synthesized conducting polyaniline (PANI)/nano-sized Fe3O4 composites which could be adopted as phase fluids. Composites containing nano-sized were via chemical reaction method. Microstructure the PANI/Fe3O4 was characterized SEM XRD. Magnetic property VSM. Furthermore, fluid based on investigated using rotational rheometer equipped with field generator, exhibiting typical performance fluids increased abruptly under fields.
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