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首页> 外文期刊>Journal of Applied Polymer Science >Effect of Filler Geometry on Viscoelastic Damping of Graphite/Aramid and Carbon Short Fiber-Filled SBR Composites: A New Insight
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Effect of Filler Geometry on Viscoelastic Damping of Graphite/Aramid and Carbon Short Fiber-Filled SBR Composites: A New Insight

机译：填料几何形状对石墨/芳纶和碳短纤维填充SBR复合材料的粘弹性阻尼的影响：一个新的见解

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摘要

An investigation on the effect of filler geometry/shape on the dynamic mechanical properties of polymers was conducted. The viscoelastic damping matrix chosen was SBR and the fillers chosen were graphite, aramid, and carbon short fibers. The study was conducted by taking a control base compound of 20 parts N330 carbon black-filled styrene butadiene rubber (SBR). Dynamic mechanical thermal analyzer was used to investigate the viscoelastic damping of the rubber composites at low dynamic strain levels. Compressive hysterisis at moderate degree of strain were evaluated for all the composite samples to probe into their high strain static damping properties. SEM was used to investigate the matrix-fiber interaction and distribution of the fillers. Investigations demonstrated that the matrix-filler interface plays a major role in energy dissipation. The amount of interface was analyzed by considering the half height width of tan delta peak. Fiber matrix interaction parameter was calculated from the tan delta(max) values for matrix and composite. It was observed the interaction parameter and the low strain tensile stress values register similar trend. Aramid short fibers were most effective in more energy dissipation than other fillers under consideration. (C) 2008 Wiley Periodicals, Inc. J Appl Polym Sci 111: 264-272, 2009
机译：研究了填料几何形状/形状对聚合物动态力学性能的影响。选择的粘弹性阻尼基体是SBR，选择的填料是石墨，芳族聚酰胺和碳短纤维。通过采用20份N330炭黑填充的丁苯橡胶（SBR）的对照基础胶料进行研究。使用动态机械热分析仪研究低动态应变水平下橡胶复合材料的粘弹性阻尼。对所有复合材料样品在中等应变程度下的压缩磁滞进行了评估，以探究其高应变静态阻尼特性。 SEM用于研究基体-纤维相互作用和填料的分布。调查表明，基质-填料界面在能量耗散中起主要作用。通过考虑tanδ峰的半高宽度来分析界面的量。纤维基质相互作用参数是根据基质和复合材料的tanδ（最大值）值计算得出的。观察到相互作用参数和低应变拉伸应力值显示出相似的趋势。芳纶短纤维比考虑中的其他填充剂更有效地耗散能量。 （C）2008 Wiley Periodicals，Inc. J Appl Polym Sci 111：264-272，2009

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