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首页> 外文期刊>Journal of Materials Research and Technology >Toughness of polyester matrix composites reinforced with sugarcane bagasse fibers evaluated by Charpy impact tests
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Toughness of polyester matrix composites reinforced with sugarcane bagasse fibers evaluated by Charpy impact tests

机译：夏比冲击试验评估了甘蔗渣纤维增强聚酯基复合材料的韧性

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摘要

The fibers extracted from the sugarcane bagasse have been investigated as possible reinforcement for polymer matrix composites. The use of these composites in engineering applications, associated with conditions such as ballistic armor, requires information on the impact toughness. In the present work, Charpy tests were performed in ASTM standard specimens of polyester matrix composites, reinforced with 10, 20 and 30vol% of continuous and aligned sugarcane bagasse fibers, in order to evaluate the impact energy. Within the standard deviation, the composite absorbed impact energy increased with the volume fraction of sugarcane bagasse fiber. This toughness performance was found by scanning electron microscopy to be associated with the fiber/matrix delamination.
机译：已经研究了从甘蔗渣中提取的纤维作为聚合物基质复合材料的可能增强材料。这些复合材料在工程应用中的使用以及与诸如防弹装甲等条件相关的要求，需要有关冲击韧性的信息。在目前的工作中，在聚酯基复合材料的ASTM标准试样中进行了夏比试验，并用10、20和30vol％的连续和排列的甘蔗渣纤维进行了增强，以评估冲击能。在标准偏差内，复合材料吸收的冲击能量随甘蔗渣纤维的体积分数而增加。通过扫描电子显微镜发现该韧性性能与纤维/基质分层有关。

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