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A Study on Dynamic Properties of Short-fiber Reinforced Chloroprene Rubber  

이동주 (영남대학교 기계공학부)
류상렬 (영남대학교 연구원)
Publication Information
Composites Research / v.17, no.3, 2004 , pp. 45-50 More about this Journal
Abstract
The dynamic properties of short-fiber reinforced chloroprene rubber with different interphase conditions and fiber contents have been studied as functions of frequency, amplitude and temperature. The loss factor(LF) slightly increased more than 1.33% of strain and the dynamic ratio(DR) rapidly decreased with increasing strain amplitude. The LF rapidly decreased with increasing frequency especially more than 50Hz. The DR showed the lower when it compared to virgin material with increasing frequency. The LF showed the maximum at $65^{\circ}$ and rapidly decreased after that temperature. The DR showed the lower when it compared with virgin rubber with increasing temperature. Generally, the better interphase condition showed the lower LF and DR at the same testing condition. Therefore, the short-fiber reinforced rubber could have the better isolation when the frequency ratio is more than $\sqrt{2}$ compared with frequency ratio less than $\sqrt{2}$.
Keywords
interphase; fiber content; loss factor; dynamic ratio; frequency; amplitude;
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