Assessing the structural, mechanical, and thermal performance of Linum usitatissimum/carbon fiber composites by using novel WASPAS and CRITIC methods

IF 6.2 1区农林科学 Q1 AGRICULTURAL ENGINEERING

Industrial Crops and Products Pub Date : 2025-02-01 DOI:10.1016/j.indcrop.2024.120378

Ajithram Arivendan , Xiaoqi Chen , Yuan-Fang Zhang , Wenhua Gao

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Abstract

In this study, a hybrid composite sample was fabricated using short carbon and flax fibers, with varying weight percentages (20 %, 30 %, and 40 %) and pressures (12, 14, and 16 MPa). The Flax Carbon (FC) composites were fabricated using the high-pressure compression molding method and tested using the Taguchi L9 orthogonal array. Both tensile and flexural strength increased by 11 % due to the positive effect of epoxy polarity on hydrogen bonding. Based on the experimental results, the composite sample with 30 % FC and 16 MPa pressure demonstrated the highest mechanical strength, with 66.74 MPa tensile strength, 204.32 MPa flexural strength, 26.82 J impact strength, and 99 Shore D hardness strength, as well as a maximum decomposition temperature of 394.6 ℃. During the water and chemical absorption tests, the FC composite samples exhibited weight gains of 2.92 % and 3.34 %, respectively. This FC hybrid composite has the potential to serve as an alternative to medium-density fiberboard and commercial plywood.

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利用新型的WASPAS和CRITIC方法对碳纤维复合材料的结构、力学和热性能进行了评估

在这项研究中，使用短碳纤维和亚麻纤维制备了不同重量百分比（20 %，30 %和40 %）和压力（12,14和16 MPa）的混合复合材料样品。采用高压压模法制备了亚麻炭（FC）复合材料，并采用田口L9正交阵列进行了测试。由于环氧树脂极性对氢键的积极作用，拉伸和弯曲强度均提高了11% %。实验结果表明，当FC含量为 %，压力为16 MPa时，复合材料的力学强度最高，抗拉强度为66.74 MPa，抗折强度为204.32 MPa，冲击强度为26.82 J，邵尔D硬度强度为99，最高分解温度为394.6℃。在水和化学吸收试验中，FC复合材料样品的重量分别增加了2.92 %和3.34 %。这种FC混合复合材料有潜力作为中密度纤维板和商用胶合板的替代品。

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来源期刊

Industrial Crops and Products 农林科学-农业工程

CiteScore

9.50

自引率

8.50%

发文量

1518

审稿时长

43 days

期刊介绍： Industrial Crops and Products is an International Journal publishing academic and industrial research on industrial (defined as non-food/non-feed) crops and products. Papers concern both crop-oriented and bio-based materials from crops-oriented research, and should be of interest to an international audience, hypothesis driven, and where comparisons are made statistics performed.