黄麻-聚酯和玻璃-聚酯复合材料的力学性能及威布尔分布夏比冲击试验的统计分析

IF 1.2 Q4 MATERIALS SCIENCE, MULTIDISCIPLINARY

Frattura ed Integrita Strutturale Pub Date : 2022-09-22 DOI:10.3221/igf-esis62.23

T. Tioua, D. Djeghader, B. Redjel

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引用次数: 1

摘要

近年来，使用天然纤维复合材料为合成纤维复合材料的实际应用提供可能的替代品一直是几项研究的主题。本文研究了黄麻-聚酯复合材料的制备和研究，并与玻璃-聚酯复合物进行了比较。复合材料的静态力学性能是通过测试复合材料薄板的拉伸和弯曲强度来获得的。通过夏比冲击试验确定了复合材料的动态力学性能。采用基于线弹性断裂力学原理的Williams方法，推导了复合材料的冲击韧性。利用威布尔理论对实验结果进行了统计分析，以更好地了解复合材料的冲击行为。研究发现，玻璃-聚酯复合材料比黄麻-聚酯复合物具有更好的性能。

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The Mechanical properties and statistical analysis of the Charpy impact test using the Weibull distribution in jute-polyester and glass-polyester composites

In recent years, the use of natural fiber composites to provide a possible replacement for synthetic fiber composites for practical applications has been the subject of several studies. This study deals with the fabrication and investigation of jute-polyester composites and the comparison of it with glass-polyester composites. The static mechanical properties of the composites is obtained by testing the composite lamina for tensile and ﬂexural strength. The dynamic mechanical properties of the composites is determined by using the Charpy impact test. By the Williams method based on the principle of linear elastic fracture mechanics, the impact toughness of the composites is deduced. The experimental results were statistically analyzed by using the Weibull theory to better understand the impact behavior of the composites. It is found that the glass-polyester composite has better properties than the jute-polyester composite.

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