堆叠顺序对结构应用新型杂化复合材料力学、吸水和生物可降解性能的影响

IF 16.4 1区 化学 Q1 CHEMISTRY, MULTIDISCIPLINARY Accounts of Chemical Research Pub Date : 2022-11-14 DOI:10.1515/ipp-2022-4274
Tamilselvan Manickam, Jenish Iyyadurai, Maniraj Jaganathan, Ashokkumar Babuchellam, Muthukrishnan Mayakrishnan, A. Felix Sahayaraj
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引用次数: 6

摘要

摘要采用手工叠层法制备了蛇草纤维(SGF)和黄麻纤维(JF)三层杂化复合材料。研究了黄麻/蛇草/黄麻(J/S/J)和蛇草/黄麻/蛇草(S/J/S)两种杂交复合材料。制备的复合材料进行了力学表征和吸水性研究,以验证其在各种应用中的相容性。结果表明,J/S/J复合材料的拉伸强度和弯曲强度最高,分别为68.46和78.62 MPa。这是由于在混合J/S/J样品中将最高强度的JF作为外层堆叠。同时,由于在S/J/S复合材料的最外层添加了SGF,其冲击强度达到了4.45 kJ/mm2。它导致吸收更多的冲击能量在突然载荷应用。吸水性能研究表明,S/J/S复合材料比J/S/J复合材料吸湿性能更好。土壤埋藏试验表明,S/J/S复合材料的生物降解性优于J/S/J复合材料。从本研究中可以得出结论,J/S/J复合材料具有较高的拉伸和弯曲性能,适合于结构应用。相比之下,S/J/S复合材料具有更好的冲击强度,可以在阻尼条件下使用。
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Effect of stacking sequence on mechanical, water absorption, and biodegradable properties of novel hybrid composites for structural applications
Abstract This study used a hand layup process to create tri-layer hybrid composites composed of snake grass fiber (SGF) and jute fiber (JF). Two types of hybrid composites were investigated: jute/snake grass/jute (J/S/J) and snake grass/jute/snake grass (S/J/S). The fabricated composites were subjected to mechanical characterization and water absorption studies to verify their compatibility for various applications. The outcome revealed that the J/S/J hybrid sample shows the highest tensile and flexural strength at 68.46 and 78.62 MPa, respectively. This is due to stacking the maximum-strength JF as an exterior layer in the hybrid J/S/J sample. Meanwhile, the S/J/S composite shows a very high impact strength value of 4.45 kJ/mm2 due to the placement of SGF at the outermost layer. It leads to absorbing more impact energy at sudden load applications. Water absorption studies revealed that the S/J/S composite absorbed more moisture than the J/S/J composite. Furthermore, the S/J/S composite exhibited greater biodegradability than the J/S/J composite based on soil burial experiments. From this study, it can be concluded that the J/S/J composite is suitable for structural applications because it has higher tensile and flexural qualities. In contrast, the S/J/S composite can be employed under damping conditions because it has better impact strength.
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来源期刊
Accounts of Chemical Research
Accounts of Chemical Research 化学-化学综合
CiteScore
31.40
自引率
1.10%
发文量
312
审稿时长
2 months
期刊介绍: Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.
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