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首页> 外文期刊>Boletin de la Sociedad Espanola de Ceramica y Vidrio >Fracture of EPDM filled with glass beads applying the essential work of fracture
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Fracture of EPDM filled with glass beads applying the essential work of fracture

机译：填充有玻璃珠的EPDM断裂应用了断裂的基本功

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摘要

In this work, the essential work of fracture concept (EWF) has been applied to untreated and silane- treated glass bead-filled EPDM. It has been proved that this theory is not applicable to pure EPDM due to its high elastic character, but being possible in glass bead-filled EPDM, thus the presence of these particles induces certain plasticity on the EPDM. The results show that the higher adhesion between matrix and particles, the higher value of plastic work of fracture, and the higher final instability of crack propagation. Moreover the influence of processing temperature on the mechanical characteristics of these materials has been stu-died, noticing a marked drop of stiffness and strength from a temperature processing of 200 deg C. The higher adhesion obtained between EPDM matrix and glass beads through surface treatment has been confirmed by scanning electron microscopy.
机译：在这项工作中，断裂概念（EWF）的基本工作已应用于未经处理和硅烷处理的玻璃珠填充EPDM。已经证明，该理论由于其高弹性特性而不适用于纯EPDM，但是在填充玻璃珠的EPDM中是可行的，因此这些颗粒的存在在EPDM上引起了一定的可塑性。结果表明，基体与颗粒之间的附着力越高，断裂的塑性功值越高，裂纹扩展的最终不稳定性越高。此外，研究了加工温度对这些材料的机械特性的影响，注意到200℃的温度处理会导致刚度和强度明显下降。通过表面处理，EPDM基体与玻璃珠之间的附着力更高由扫描电子显微镜证实。

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