槟榔壳纤维增强环氧树脂复合材料的动态力学性能

IF 1.2 Q3 ENGINEERING, MECHANICAL

Archive of Mechanical Engineering Pub Date : 2023-11-06 DOI:10.24425/AME.2020.131683

N. Muralidhar, K. Vadivuchezhian, V. Arumugam, I. S. Reddy

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引用次数: 3

摘要

天然纤维聚合物复合材料由于其可获得性和环保性而成为低成本、轻量化的复合材料。纤维复合材料广泛应用于持续存在动载荷和环境载荷的土木工程、船舶和航空航天工业。在使用这些复合材料之前，必须对其在不同载荷和环境条件下进行动态分析。本文主要研究槟榔壳增强环氧复合材料在不同加载频率(5 Hz, 10 Hz和15 Hz)和不同温度(28℃至120℃)下的动态性能。分析了载荷和温度对储存模量、损耗模量和玻璃化转变温度的影响。存储模量随加载频率的增加而增加。存储模量随温度的升高而降低。复合材料的玻璃化转变温度确定为105°C。将DMA数据计算的弹性模量与三点弯曲试验进行了比较。

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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Dynamic mechanical characterization of epoxy composite reinforced with areca nut husk fiber

Natural ﬁber polymer composites are gaining focus as low cost and light weight composite material due to the availability and ecofriendly nature of the natural ﬁber. Fiber composites are widely used in civil engineering, marine and aerospace industries where dynamic loads and environmental loads persist. Dynamic analysis of these composites under diﬀerent loading and environmental conditions is essential before their usage. The present study focuses on the dynamic behavior of areca nut husk reinforced epoxy composites under diﬀerent loading frequencies (5 Hz, 10 Hz and 15 Hz) and diﬀerent temperatures (ranging from 28 ◦ C to 120 ◦ C). The eﬀect of loading and temperature on storage modulus, loss modulus and glass transition temperature was analyzed. Increase in storage modulus is observed with increase in loading frequency. The storage modulus decreases with increase in temperature. The glass transition temperature of the composite is determined to be 105 ◦ C. The elastic modulus calculated from the DMA data is compared with three point bending test.

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来源期刊

Archive of Mechanical Engineering ENGINEERING, MECHANICAL-

CiteScore

1.70

自引率

14.30%

发文量

审稿时长

15 weeks

期刊介绍： Archive of Mechanical Engineering is an international journal publishing works of wide significance, originality and relevance in most branches of mechanical engineering. The journal is peer-reviewed and is published both in electronic and printed form. Archive of Mechanical Engineering publishes original papers which have not been previously published in other journal, and are not being prepared for publication elsewhere. The publisher will not be held legally responsible should there be any claims for compensation. The journal accepts papers in English.