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http://dx.doi.org/10.9725/kstle-2012.28.6.333

Friction and Wear Properties of Improved Polyurethane Based Magneto-Rheological Elastomer  

Lian, Chenglong (Dept. of Mechanical Engineering, Inha University)
Hong, Sung-Geun (Dept. of Mechanical Engineering, Inha University)
Lee, Kwang-Hee (Dept. of Mechanical Engineering, Inha University)
Lee, Chul-Hee (Dept. of Mechanical Engineering, Inha University)
Kim, Cheol-Hyun (R & D Center, CALS Co.Ltd.)
Publication Information
Tribology and Lubricants / v.28, no.6, 2012 , pp. 333-339 More about this Journal
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.
Keywords
magneto-rheological elastomer; coefficient of friction; polyurethane; silicon; wear;
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Times Cited By KSCI : 1  (Citation Analysis)
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