短枣棕榈纤维增强环氧复合材料夏比冲击试验的威布尔分析

IF 1.4 4区工程技术 Q3 ENGINEERING, CIVIL

Periodica Polytechnica-Civil Engineering Pub Date : 2023-09-08 DOI:10.3311/ppci.22500

Adel Boulebnane, D. Djeghader, T. Tioua

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引用次数: 0

摘要

本研究旨在促进天然纤维的增值，以天然可再生资源替代不可再生原料，提高纤维的可持续性。本文研究了复合枣棕榈纤维增强环氧树脂(DPFE)的制备和性能，并将其与未增强环氧树脂(ER)进行了比较。考虑短椰枣棕榈纤维(长度为2-3 cm)的体积分数为10%。利用Charpy冲击试验获得了DPFE和ER的动态冲击特性。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。采用二参数和三参数威布尔分布对实验结果进行统计分析，以评估所研究复合材料的生存/可靠性概率。在夏比冲击试验中发现，DPFE复合材料比ER材料具有更好的性能。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Weibull Analysis of Charpy Impact Test in Short Date Palm Fiber Reinforced Epoxy Composite

This study is a contribution to the valorization of natural ﬁber, which improve sustainability by substituting non-renewable raw materials by natural renewable resources. In this work, the fabrication and investigation of composite date palm fiber reinforced epoxy (DPFE) and compare it with an unreinforced epoxy resin (ER). One volume fraction, 10% by volume, of short date palm fiber (2–3 cm in length) was considered. A dynamic impact characterization of DPFE and ER are obtained by using the Charpy impact test. The Williams method based on the principle of linear elastic fracture mechanics was used to deduce the impact toughness of composite. The experimental results were statistically analyzed by using the two and three parameter Weibull distribution in order to evaluate the survival/reliability probability of the studied composite. It is found that the DPFE composite has better properties than the ER material in Charpy impact test.

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来源期刊

Periodica Polytechnica-Civil Engineering 工程技术-工程：土木

CiteScore

3.40

自引率

16.70%

发文量

审稿时长

12 months

期刊介绍： Periodica Polytechnica Civil Engineering is a peer reviewed scientific journal published by the Faculty of Civil Engineering of the Budapest University of Technology and Economics. It was founded in 1957. Publication frequency: quarterly. Periodica Polytechnica Civil Engineering publishes both research and application oriented papers, in the area of civil engineering. The main scope of the journal is to publish original research articles in the wide field of civil engineering, including geodesy and surveying, construction materials and engineering geology, photogrammetry and geoinformatics, geotechnics, structural engineering, architectural engineering, structural mechanics, highway and railway engineering, hydraulic and water resources engineering, sanitary and environmental engineering, engineering optimisation and history of civil engineering. The journal is abstracted by several international databases, see the main page.