Tribology and Lubricants

Korean Tribology Society (한국트라이볼로지학회)
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A Study on the Effect of the Material and Applied Magnetic Field Strength on the Friction Characteristics of Magnetorheological Fluids

재질과 자기장 세기가 자기유변유체의 마찰 특성에 미치는 영향

  • 장붕 (인하대학교 기계공학과) ;
  • 이광희 (인하대학교 기계공학과) ;
  • 이철희 (인하대학교 기계공학과)
  • Received : 2012.09.20
  • Accepted : 2012.12.10
  • Published : 2013.02.28
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Abstract

Magnetorheological (MR) fluid belongs to the group of smart materials. In MR fluid, iron particles in base oil form chains in the direction of the applied magnetic field, thus resulting in a variation in the stiffness and damping characteristics of the fluid. Research is being carried out on controlling the stiffness and damping characteristics as well as the tribological characteristics of the MR fluid. In this study, the friction characteristics of MR fluid have been evaluated using three types of materials and magnetic fields of different strengths. The coefficients of friction of the three types of MR fluid are measured, and the relationship between the coefficient of friction and the strength of the applied magnetic field is obtained.

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References

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