Journal of Magnetics

The Korean Magnetics Society (한국자기학회)
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Effect of Fe Magnetic Nanoparticles in Rubber Matrix

  • Uhm, Young-Rang (Nuclear Materials Research Division, Korea Atomic Energy Research Institute (KAERI)) ;
  • Kim, Jae-Woo (Nuclear Materials Research Division, Korea Atomic Energy Research Institute (KAERI)) ;
  • Jun, Ji-Heon (Nuclear Materials Research Division, Korea Atomic Energy Research Institute (KAERI)) ;
  • Lee, Sol (Nuclear Materials Research Division, Korea Atomic Energy Research Institute (KAERI)) ;
  • Rhee, Chang-Kyu (Nuclear Materials Research Division, Korea Atomic Energy Research Institute (KAERI)) ;
  • Kim, Chul-Sung (Nano-electro Physics, Kookmin University)
  • Received : 2010.09.16
  • Accepted : 2010.12.20
  • Published : 2010.12.31
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Abstract

A new kind of magnetic rubber, Fe dispersed ethylene propylene monomer (EPM), was prepared by a conventional technique using a two roll mill. The magnetic fillers of Fe-nanoparicles were coated by low density polyethylene (LDPE). The purpose of surface treatment of nanoparticles by LDPE is to enhance wettability and lubricancy of the fillers in a polymer matrix. The mechanical strength and microstructure of the magnetic rubber were characterized by tensile strength test and scanning electron microscopy (SEM). Results revealed that the Fe nanoparticles were relatively well dispersed in an EPM matrix. It was found that the nano- Fe dispersed magnetic rubber showed higher coercivity and tensile strength than those of micron- Fe dispersed one.

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