Analysis of thermomechanical and dynamic characteristics of treated saccharum munja fiber polymer composite

IF 2.8 4区工程技术 Q2 POLYMER SCIENCE Macromolecular Research Pub Date : 2024-08-07 DOI:10.1007/s13233-024-00306-1

Savendra Pratap Singh, Chetan Kumar Hirwani

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Abstract

In this study, treated Saccharum munja fibers were considered in particulate (PC), short and random (SRC) and unidirectional (UDC) form along with AW106 Resin and HV953 Hardener as matrix material. Composite laminates were fabricated using a compression moulding machine. Surface treatment of fibers removes dust, lignin and hemicellulose causing better mechanical and free vibration properties. Tensile and flexural tests show the highest value of strength 170 MPa and 143 MPa in the case of UDC composite while the lowest values have been seen in the case of PC. Addition of munja fiber in epoxy matrix enhances the fiber matrix adhesion bonding. The PC composite shows better value of damping than the SRC and UDC composite. The highest natural frequency 43, 233, 298, 849, 918 and 1440 Hz obtained in the case of UDC irrespective of all modes. The highest water absorption rate has been obtained for the SRC while the lowest value was found for PC. Due to the surface treatment of saccharum munja, water absorption properties also improve. The Thermogravimetric shows better stability of UDC. Surface morphology showing the fiber matrix interaction. ANOVA analysis shows that the experimental results output in the case of tensile and flexural tests are significant.

Graphical Abstract

Fabrication of Composite Material

Abstract Image

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经处理的糖木纤维聚合物复合材料的热力学和动力学特性分析

在这项研究中，经过处理的蔗糖纤维以微粒（PC）、短无规（SRC）和单向（UDC）形式与 AW106 树脂和 HV953 硬化剂一起作为基体材料。复合材料层压板是用压缩成型机制造的。纤维的表面处理可去除灰尘、木质素和半纤维素，从而获得更好的机械和自由振动性能。拉伸和弯曲测试表明，UDC 复合材料的强度值最高，分别为 170 兆帕和 143 兆帕，而 PC 复合材料的强度值最低。在环氧树脂基体中添加木雅纤维可增强纤维基体的粘合力。PC 复合材料的阻尼值优于 SRC 和 UDC 复合材料。UDC 复合材料的固有频率最高，分别为 43、233、298、849、918 和 1440 Hz，与所有模态无关。SRC 的吸水率最高，而 PC 的吸水率最低。由于对 saccharum munja 进行了表面处理，吸水性能也得到了改善。热重法显示 UDC 具有更好的稳定性。表面形态显示了纤维基质的相互作用。方差分析表明，拉伸和弯曲试验的实验结果具有显著性。

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来源期刊

Macromolecular Research 工程技术-高分子科学

CiteScore

4.70

自引率

8.30%

发文量

100

审稿时长

1.3 months

期刊介绍： Original research on all aspects of polymer science, engineering and technology, including nanotechnology Presents original research articles on all aspects of polymer science, engineering and technology Coverage extends to such topics as nanotechnology, biotechnology and information technology The English-language journal of the Polymer Society of Korea Macromolecular Research is a scientific journal published monthly by the Polymer Society of Korea. Macromolecular Research publishes original researches on all aspects of polymer science, engineering, and technology as well as new emerging technologies using polymeric materials including nanotechnology, biotechnology, and information technology in forms of Articles, Communications, Notes, Reviews, and Feature articles.