Hybridization of woven kenaf and unidirectional glass fibre roving for unsaturated polyester composite

IF 2.4 3区化学 Q3 POLYMER SCIENCE

Iranian Polymer Journal Pub Date : 2024-05-06 DOI:10.1007/s13726-024-01319-4

Thinesh Sharma Balakrishnan, Mohamed Thariq Hameed Sultan, Farah Syazwani Shahar, Suhas Yeshwant Nayak, Ain Umaira Md Shah, Tamer Ali Sebaey, Adi Azriff Basri

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Abstract

This is a study on the mechanical properties of kenaf/glass-reinforced polyester composites intended for use in structural profiles with a wall thickness by max. 6 mm. Mechanical properties such as tensile, compression, bending and interlaminar shear stress were investigated by comparing the hybrid variants with the pure fibreglass variant. According to the study, woven kenaf/unidirectional glass roving (WK/UG) alternate recorded the highest tensile properties among hybrid samples. It demonstrated a decrement of about 8.2% of the tensile strength (404.54 MPa) and 10.7% of tensile modulus (24.54 GPa) compared to conventional fibreglass samples. Alternating WK/UG samples demonstrated higher compressive strength (417.15 MPa) compared to other hybrid specimens, recording a slight decrease at 6.09% compared to pure fibreglass composites. The highest bending properties were also observed in hybrid alternate WK/UG samples among other hybrid laminates with only a decrement of 4.13% in modulus of rupture (456.33 MPa) and 1.9% in modulus of elasticity (14.49 GPa) when compared to the control specimen. The ILSS of hybrid composites 2WK/3UG/2WK (30.97 MPa) and WK/UG alternate (34.90 MPa) showed good agreement with the pure fibreglass (42.33 MPa) composites. Using SEM images, tensile fractured specimens were examined to comprehend composites’ failure mechanism and interfacial adhesion. Overall, woven kenaf/unidirectional glass roving alternate sequence is chosen as a potential alternative in developing structural profiles for moderate load-bearing structural applications. In contrast, 3WK/UG/3WK with a higher kenaf to glass ratio demonstrate potential in low load-bearing structural profile applications.

Graphical abstract

Abstract Image

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用于不饱和聚酯复合材料的槿麻和单向玻璃纤维无捻粗纱杂交技术

这是一项关于槿麻/玻璃纤维增强聚酯复合材料机械性能的研究，旨在用于壁厚最大为 6 毫米的结构型材。6 毫米。通过比较混合变体和纯玻璃纤维变体，研究了拉伸、压缩、弯曲和层间剪应力等机械性能。研究结果表明，在混合样品中，槿麻/单向玻璃纤维无捻粗纱（WK/UG）交替材料的拉伸性能最高。与传统玻璃纤维样品相比，它的拉伸强度（404.54 兆帕）降低了约 8.2%，拉伸模量（24.54 千兆帕）降低了 10.7%。与其他混合试样相比，WK/UG 交替试样显示出更高的抗压强度（417.15 兆帕），与纯玻璃纤维复合材料相比，抗压强度略微降低了 6.09%。在其他混合层压材料中，WK/UG 混合交替试样的弯曲性能也是最高的，与对照试样相比，断裂模量（456.33 兆帕）仅降低了 4.13%，弹性模量（14.49 千兆帕）降低了 1.9%。混合复合材料 2WK/3UG/2WK 的 ILSS（30.97 兆帕）和 WK/UG 交替复合材料的 ILSS（34.90 兆帕）与纯玻璃纤维复合材料的 ILSS（42.33 兆帕）显示出良好的一致性。利用 SEM 图像对拉伸断裂试样进行了检查，以了解复合材料的失效机理和界面粘附性。总之，编织槿麻/单向玻璃纤维纱交替序列被选为开发中等承重结构应用的结构型材的潜在替代品。相比之下，3WK/UG/3WK 具有更高的槿麻与玻璃之比，在低承重结构型材应用中具有潜力。

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来源期刊

Iranian Polymer Journal 化学-高分子科学

CiteScore

4.90

自引率

9.70%

发文量

107

审稿时长

2.8 months

期刊介绍： Iranian Polymer Journal, a monthly peer-reviewed international journal, provides a continuous forum for the dissemination of the original research and latest advances made in science and technology of polymers, covering diverse areas of polymer synthesis, characterization, polymer physics, rubber, plastics and composites, processing and engineering, biopolymers, drug delivery systems and natural polymers to meet specific applications. Also contributions from nano-related fields are regarded especially important for its versatility in modern scientific development.