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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 >A study on the determination of fracture parameters for the rubber toughened polymeric materials with the Instrumented Charpy Impact Test
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A study on the determination of fracture parameters for the rubber toughened polymeric materials with the Instrumented Charpy Impact Test

机译：用仪器夏比冲击试验确定橡胶增韧聚合物材料的断裂参数的研究

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摘要

The notched Charpy and Izod tests are the most prevalent techniques used to characterize the effects of high impulse loads on polymeric materials. An analysis method for rubber toughened PVC is suggested to evaluate critical strain energy release rates from the Charpy impact energy measurements. The instrumented Charpy impact tests were conducted to extract ancillary information concerning fracture parameters of the polymeric materials in addition to total fracture energies and maximum critical loads. The stress intensity factor K_(ld) was computed for varying amounts of rubber contents present in the PVC from the measured maximum critical loads and also the toughening effects of the rubber were investigated as well.
机译：带缺口的夏比（Charpy）和艾佐德（Izod）测试是最常用的技术，用于表征高脉冲负载对聚合物材料的影响。建议使用一种橡胶增韧PVC的分析方法来评估夏比冲击能测量中的临界应变能释放率。进行了仪器化的夏比冲击试验，以提取与聚合物材料的断裂参数有关的辅助信息，以及总断裂能和最大临界载荷。根据测得的最大临界载荷计算出PVC中橡胶含量的变化量，得出应力强度因子K_（ld），并且还研究了橡胶的增韧效果。

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