Tribology and Lubricants

Korean Tribology Society (한국트라이볼로지학회)
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Friction and Wear Properties of Improved Polyurethane Based Magneto-Rheological Elastomer

향상된 폴리우레탄 기반 자기유변탄성체의 마찰 마모 특성연구

  • Received : 2012.08.15
  • Accepted : 2012.10.08
  • Published : 2012.12.31
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Abstract

Typical magneto-rheological (MR) elastomers consist of silicon-based material. A number of studies have been carried out to evaluate the vibration and tribological characteristics of silicon-based MR e-lastomers. However, these elastomers have quite low strength, so they have low wear resistance. In this study, polyurethane-based MR elastomers with performances better than those of MR elastomers. Experiments have been conducted on different MR elastomers (Pu MR elastomer, Pu-Si MR elastomer, and Pu-wrapped-Si MR elastomer) and different predefined magnetic directions (Non-Direction, Vertical Direction, and Horizontal Directionality) to evaluate the friction and wear performance under a magnetic field. The results show that Pu-wrapped-Si MR elastomer with a horizontal predefined magnetic field has the best performance in terms of wear.

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