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首页> 外文期刊>Journal of Applied Polymer Science >Deformation and energy-absorption characteristics of microcellular EPDM rubber
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Deformation and energy-absorption characteristics of microcellular EPDM rubber

机译：微孔三元乙丙橡胶的变形和能量吸收特性

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Compressive stress-strain properties of closed-cell microcellular EPDM rubber vulcanizates with and without a filler were studied with the variation of density. For filler variation studies, silica and carbon black (N330) were used. With a decrease in density, the stress-strain curve for microcellular EPDM behaves differently from that for the solid vulcanizates: The curve rises steeply when cell breakdown occurs. The compressive stress-strain properties are found to depend on the strain rate. The compression set at constant stress increases with decreasing density. The energy-absorption behavior was studied from the compressive stress-strain properties. The efficiency, E, and ideality, I, parameters were also determined as they are useful for the evaluation of closed-cell microcellular rubber as a cushioning and packaging material. These parameters were plotted against stress to find the maximum efficiency and maximum ideality region which will make these materials suitable for cushioning or packaging applications. (C) 1998 John Wiley & Sons, Inc. [References: 20]
机译：研究了含和不含填料的闭孔微孔EPDM橡胶硫化胶的压缩应力-应变特性，其密度变化。为了研究填料变化，使用了二氧化硅和炭黑（N330）。随着密度的降低，微孔EPDM的应力-应变曲线的表现与固体硫化胶的应力-应变曲线不同：当发生细胞破裂时，该曲线急剧上升。发现压缩应力-应变特性取决于应变率。恒定应力下的压缩永久变形随密度的降低而增加。从压缩应力-应变特性研究了能量吸收行为。还确定了效率E和理想I参数，因为它们可用于评估作为缓冲和包装材料的闭孔微孔橡胶。将这些参数相对于应力作图，以找到最大效率和最大理想区域，这将使这些材料适合于缓冲或包装应用。 （C）1998 John Wiley＆Sons，Inc. [参考：20]

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