平纹天然纤维增强混合纺织复合材料的几何建模和有限元分析

IF 2.5 4区 材料科学 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY
Mukesh Kumar, Abhishek Tevatia, Anurag Dixit
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引用次数: 0

摘要

在制造和实施过程之前,必须准确预测纺织复合材料的机械强度。这项工作的主要目标是开发一种三维有限元方法,以估算机织物混合天然纺织复合材料在压缩下的机械响应。针对平纹织物单元格开发了中尺度有限元模型,并对其机械特性进行了分析。对亚麻平纹织物、黄麻平纹织物、玄武岩平纹织物、纱间混合玄武岩-亚麻平纹织物和黄麻-亚麻平纹织物等六种天然纤维平纹织物的机械坚固性进行了比较和深入研究。使用热固性环氧树脂和热塑性聚丙烯等基体材料对这些图案的机械性能进行了建模和严格对比。在分析的众多图案中,以环氧树脂为基体材料的玄武岩-亚麻平原具有优异的机械性能。由此得出结论,横向-纵向剪切特性和纱线横截面刚度对压缩纺织品的影响最大。在参数分析中,对纱线宽度、纱线间距和织物厚度等几何参数对应变能、人工应变能、位移和接触压力的影响进行了深入研究和详细讨论。目前的模型可以精确模拟各种编织模式、材料属性和应力条件下的纺织品。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Geometric modelling and finite element analysis of plain-woven natural fibre reinforced hybrid textile composites
Prior to the fabrication and implementation processes, it is imperative to accurately predict the mechanical strength of the textile composite. The major goal of this work is to develop a three-dimensional finite element method to estimate the mechanical response of a woven fabric hybrid natural textile composite under compression. A mesoscale finite element model for a plain-woven fabric unit cell has been developed and analysed for its mechanical characteristics. For their mechanical robustness, six natural fibre plain-woven patterns viz. flax plain, jute plain, basalt plain, inter-yarn hybrid basalt-flax plain, and jute-flax plain were compared and thoroughly examined. These patterns’ mechanical properties were modelled and critically contrasted using matrix materials like thermoset epoxy and thermoplastic polypropylene. The basalt-flax plain with epoxy as the matrix material has excellent mechanical properties among the numerous analysed patterns. Thus, it was concluded that transverse-longitudinal shear characteristics and yarn cross-sectional stiffness have the greatest influence on compressed textiles. In parametric analysis, the impact of geometric parameters on strain energy, artificial strain energy, displacement, and contact pressure – such as yarn width, yarn spacing, and fabric thickness was thoroughly investigated and discussed in detail. The current model can accurately mimic a textile fabric with various weaving patterns, material properties, and stress conditions.
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来源期刊
CiteScore
4.70
自引率
8.30%
发文量
166
审稿时长
3 months
期刊介绍: The Journal of Materials: Design and Applications covers the usage and design of materials for application in an engineering context. The materials covered include metals, ceramics, and composites, as well as engineering polymers. "The Journal of Materials Design and Applications is dedicated to publishing papers of the highest quality, in a timely fashion, covering a variety of important areas in materials technology. The Journal''s publishers have a wealth of publishing expertise and ensure that authors are given exemplary service. Every attention is given to publishing the papers as quickly as possible. The Journal has an excellent international reputation, with a corresponding international Editorial Board from a large number of different materials areas and disciplines advising the Editor." Professor Bill Banks - University of Strathclyde, UK This journal is a member of the Committee on Publication Ethics (COPE).
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