混杂纤维增强不饱和聚酯复合材料力学性能初步研究

IF 1.2 Q3 MULTIDISCIPLINARY SCIENCES

Journal of Physical Science Pub Date : 2021-11-25 DOI:10.21315/jps2021.32.3.4

Chek Shin Tan, M. Chan, S. Koay

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引用次数: 4

摘要

本课题研究了玉米壳纤维增强不饱和聚酯复合材料(CHFPC)和混合纤维(玉米壳/亚麻)增强不饱和聚酯复合材料(HFPC)在不同纤维取向下的力学性能。纤维取向分别为0°、45°和90°，影响了CHFPC和HFPC的拉伸和弯曲性能。纤维取向为0°的CHFPC和HFPC具有最高的拉伸强度和弯曲强度。与45°和90°取向的试件相比，0°取向的试件拉伸和弯曲模量最高。拉伸试验中断裂伸长率以0°取向最高，高于不饱和聚酯(UPR)等复合材料。纤维取向为0°的HFPC试样的拉伸和弯曲强度均高于CHFPC。此外，与CHFPC相比，HFPC的拉伸模量和弯曲模量也有所增加。拉伸试验中HFPC的断裂伸长率高于CHFPC。结果表明，混杂纤维复合材料的力学性能优于单一纤维复合材料。此外，玉米皮纤维(CHF)和亚麻纤维(FF)作为增强剂增强了UPR复合材料的力学性能。

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Preliminary Study of the Mechanical Properties of Hybrid Fibres Reinforced Unsaturated Polyester Composites

This research project investigates the mechanical properties of the corn husk fibre reinforced unsaturated polyester composite (CHFPC) and hybrid fibre (corn husk/flax) reinforced unsaturated polyester composite (HFPC) at different fibre orientations. The tensile and flexural properties of CHFPC and HFPC were manipulated by the different degrees of fibre orientations of 0°, 45°, and 90°. Both CHFPC and HFPC with 0° of fibre orientation had the highest tensile strength and flexural strength. Moreover, the tensile and flexural modulus of specimens with 0° orientation had the highest result compared to 45° and 90° orientations. However, for the elongation at break during tensile testing, 0° orientation had the highest strain, more than unsaturated polyester (UPR) and other composites. The tensile and flexural strengths of HFPC specimens with 0° fibre orientation were higher than that of CHFPC. Besides, the tensile modulus and flexural modulus of HFPC also increased as compared to CHFPC. The elongation at break of HFPC for tensile testing had the highest strain compared to CHFPC. The results showed that the mechanical properties of the hybrid fibre composite performed better compared to the single fibre composite. Moreover, the corn husk fibre (CHF) and flax fibre (FF) acted as reinforcements to enhance the mechanical properties of the UPR composites.

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来源期刊

Journal of Physical Science Physics and Astronomy-Physics and Astronomy (all)

CiteScore

1.70

自引率

0.00%

发文量

期刊介绍： The aim of the journal is to disseminate latest scientific ideas and findings in the field of physical sciences among scientists in Malaysia and international regions. This journal is devoted to the publication of articles dealing with research works in Chemistry, Physics and Engineering. Review articles will also be considered. Manuscripts must be of scientific value and will be submitted to independent referees for review. Contributions must be written in English and must not have been published elsewhere.