Influence of stacking sequence and nano-silica fortification on the physical properties of veli karuvelam – peepal hybrid natural composites

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Accounts of Chemical Research Pub Date : 2024-05-09 DOI:10.1515/ipp-2024-0022

Suderson Krishna Pillai, Sivaprakash Muthukrishnan, Palaniswamy Duraisamy, Velmurugan Duraisamy

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Abstract

A hybrid composite incorporating veli karuvelam and peepal fibers was fabricated, with the addition of nanosilica as a filler to enhance composite performance. The impact of nanosilica and layering sequence on the physical properties of the composites was investigated. Initially, two types of hybrid composites i.e. peepal/veli karuvelam/peepal (PVP) and veli karuvelam/peepal/veli karuvelam (VPV) were developed by means of hand layup method, varying the layering sequence of veli karuvelam and peepal fibers. The PVP composite was identified as the most promising based on tensile strength (71 MPa), attributed to the optimal packing of high-strength peepal fibers. Subsequently, nanosilica was incorporated into the PVP composite at different weight percentages (1, 2 and 3), and its influence on composite performance was analyzed. The PVP composite containing 2 wt% SiO2 showed impressive mechanical properties, with a tensile strength of 76 MPa, a flexural strength of 104 MPa, an impact strength of 4.5 kJ/m2, and a hardness of 89 on the Shore D scale. The findings indicate that a PVP composite containing 2 wt% SiO2 has potential for use in engineering applications.

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堆叠顺序和纳米二氧化硅强化对 veli karuvelam - peepal 混合天然复合材料物理性质的影响

为了提高复合材料的性能，在添加了纳米二氧化硅作为填料的情况下，制造出了一种含有veli karuvelam和peepal纤维的混合复合材料。研究了纳米二氧化硅和分层顺序对复合材料物理性能的影响。最初，通过手工铺层法，改变鹅掌楸纤维和鹅掌楸纤维的铺层顺序，开发了两种类型的混合复合材料，即鹅掌楸/veli karuvelam/ 鹅掌楸（PVP）和veli karuvelam/ 鹅掌楸/鹅掌楸/veli karuvelam（VPV）。根据拉伸强度（71 兆帕），PVP 复合材料被认为是最有前途的，这归功于高强度霹雳纤维的最佳堆积。随后，在 PVP 复合材料中加入了不同重量百分比（1、2 和 3）的纳米二氧化硅，并分析了其对复合材料性能的影响。含有 2 wt% SiO2 的 PVP 复合材料显示出令人印象深刻的机械性能，其拉伸强度为 76 兆帕，弯曲强度为 104 兆帕，冲击强度为 4.5 kJ/m2，硬度为邵氏 D 级 89。研究结果表明，含有 2 wt% SiO2 的 PVP 复合材料具有工程应用潜力。

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来源期刊

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.