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首页> 外文会议>International Conference on Structural Integrity and Fracture, SIF 2002, Sep 25-27, 2002, Perth, Australia >Tensile behaviour of particle reinforced EPDM rubber composites
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Tensile behaviour of particle reinforced EPDM rubber composites

机译：颗粒增强三元乙丙橡胶复合材料的拉伸性能

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摘要

Tensile behaviour of particle reinforced EPDM rubber composites was investigated. The effects of the reinforcing particle size, volume fraction, and different types of the particles on the tensile mechanical property were studied. It was shown from the experimental results that, as the SiCp volume fraction increased, Young's modulus increased and the elongation at failure remarkably decreased. The Young's modulus values obtained experimentally agree well with the results predicted by using the CPA model. The dynamic elastic moduli of the EPDM matrix composites were obtained by using a dynamic mechanical thermal analyzer (DMTA) and compared with the elastic moduli evaluated by static tensile test method. It seems that the load transfer between the particle and the matrix under dynamic loading condition takes place more than under static loading condition. Some fracture surfaces were examined by means of a scanning electron microscope.
机译：研究了颗粒增强的EPDM橡胶复合材料的拉伸行为。研究了增强粒径，体积分数和不同类型的颗粒对拉伸力学性能的影响。从实验结果表明，随着SiCp体积分数的增加，杨氏模量增加，破坏时的伸长率显着降低。实验获得的杨氏模量值与使用CPA模型预测的结果非常吻合。通过使用动态机械热分析仪（DMTA）获得EPDM基复合材料的动态弹性模量，并将其与通过静态拉伸试验方法评估的弹性模量进行比较。看起来在动态负载条件下粒子与基体之间的负载转移比静态负载条件下发生的负载转移更多。通过扫描电子显微镜检查一些断裂表面。

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