天然纤维复合材料的物理性能和声学性能研究

IF 0.6 4区 工程技术 Q4 MATERIALS SCIENCE, TEXTILES
S. Krithika, K. Mani, Sathish Kumar Thangavelu, C. Bharathi, K. Saravanan, C. Prakash
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引用次数: 0

摘要

噪音污染是当今社会最紧迫的问题之一。控制噪声已成为声学材料发展中最重要和最普遍的因素之一。传统上,许多昂贵的合成吸声材料,如玻璃纤维、碳纤维和聚合物纤维被用来抑制噪音,这对生物和环境造成了额外的危害。来自可再生资源的天然纤维可以用作廉价、可生物降解、可回收和随时可用的吸声材料。天然纤维增强复合材料目前专门用于汽车工业、建筑、建筑、家具等行业的各种应用。采用这些天然纤维材料大大降低了身体伤害和健康问题的风险。在这项研究中,我们尝试用四种天然纤维:大麻、甘蔗渣、凤仙花和竹子来制造复合材料。这四种天然纤维以50:50的比例与聚丙烯混合,并使用热粘合方法开发成纺织复合材料。采用阻抗管法测试了所研制的天然复合材料的吸声系数,并采用标准测试程序分析了复合材料的各种物理性能,如抗弯刚度、厚度、抗拉强度、伸长率、面密度、透气性和导热性。为了提高复合材料的吸声性能,考虑了所有可能影响纤维声学特性的因素。凤尾藻/聚丙烯复合材料的吸声系数高于其他纤维。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Investigation of the Physical Properties and Acoustic Performance of Composites Developed From Natural Fibres
Noise pollution is one of the most pressing issues in our society today. Controlling noise has become one of the most essential and prevalent factors in the development of acoustic materials. Traditionally, numerous expensive and synthetic sound-absorption materials, such as glass fibre, carbon fibre and polymer fibres were utilised to suppress noise, posing additional harm to living organisms and the environment. Natural fibres derived from renewable resources can be utilised as sound-absorption materials that are inexpensive, bio-degradable, recyclable and readily available. Natural fibre-reinforced composites are currently exclusively used for diverse applications in the automobile industry, construction, building sectors, furniture and other industries. The risk of physical harm and health issues has been greatly reduced by adopting these natural fibre materials. In this research, an attempt has been made to manufacture composites from four natural fibres: hemp, bagasse, Arenga pinnata and bamboo. These four natural fibres were mixed in a 50:50 proportion along with polypropylene and developed into a textile composite using the thermal bonding method. The developed natural composite materials were tested for sound-absorption co-efficient using the impedance tube method and various physical properties, such as flexural rigidity, thickness, tensile strength, elongation, areal density, air permeability and thermal conductivity, were analysed for the composites using the standard testing procedures. All the possible influential factors that determine the acoustic characteristics property of the fibres are taken into consideration for the enhancement of the acoustic absorption of the composites. The sound-absorption co-efficient percent of the Arenga pinnata/polypropylene composite sample is higher than other fibres.
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来源期刊
AATCC Journal of Research
AATCC Journal of Research MATERIALS SCIENCE, TEXTILES-
CiteScore
1.30
自引率
0.00%
发文量
34
期刊介绍: AATCC Journal of Research. This textile research journal has a broad scope: from advanced materials, fibers, and textile and polymer chemistry, to color science, apparel design, and sustainability. Now indexed by Science Citation Index Extended (SCIE) and discoverable in the Clarivate Analytics Web of Science Core Collection! The Journal’s impact factor is available in Journal Citation Reports.
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