Multiscale Glass Fiber/Epoxy Nanocomposites Incorporated with Graphene and Zinc Oxide Nanoparticles: Enhanced Mechanical Properties

IF 5.4 3区材料科学 Q2 CHEMISTRY, PHYSICAL

ACS Applied Energy Materials Pub Date : 2024-09-11 DOI:10.1002/mame.202400245

Barshan Dev, Shah Ashiquzzaman Nipu, Md Ashikur Rahman, Khondokar Raihan Mahmud, Maksudur Rahman Riyad, Md Zillur Rahman

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引用次数: 0

Abstract

This study fabricates multiscale glass fiber/epoxy composites by incorporating graphene nanoparticles (GNPs) and zinc oxide nanoparticles (ZnO NPs) to investigate the influences of NPs on the mechanical properties of composites. The composites are manufactured using the compression molding technique with different GNP contents (i.e., 0, 0.5, 1, and 1.5 wt.%), whereas the contents of glass fibers and ZnO NPs remained the same at 40 and 4 wt.%, respectively. Their mechanical properties, chemical compositions, and fracture morphologies are then evaluated. It is found that the mechanical properties of composites improve significantly at a lower content (i.e., 0.5 wt.%) of GNPs and tend to decrease at higher contents (i.e., 1 and 1.5 wt.%). The composite is composed of 0.5 wt.% GNPs exhibit maximum tensile modulus and strength of 6.74 GPa and 230.25 MPa, and flexural modulus and strength of 16.43 GPa and 831.79 MPa, respectively, impact strength of 47.25 kJ m−2, and maximum hardness (97.96 Shore D), among all nanocomposites. Moreover, fracture morphologies reveal that composite failure is predominately caused by fiber breakage, fiber‐matrix debonding, voids, and GNP agglomeration. The outcomes of this study provide some insights to promote the application of manufactured multiscale composites in the aerospace, automotive, and marine industries.

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加入石墨烯和氧化锌纳米颗粒的多尺度玻璃纤维/环氧纳米复合材料：增强的力学性能

本研究通过加入石墨烯纳米粒子（GNPs）和氧化锌纳米粒子（ZnO NPs）制备了多尺度玻璃纤维/环氧树脂复合材料，以研究 NPs 对复合材料机械性能的影响。复合材料采用压缩成型技术制造，GNP 含量不同（即 0、0.5、1 和 1.5 wt.%），而玻璃纤维和 ZnO NPs 的含量保持不变，分别为 40 和 4 wt.%。然后对它们的机械性能、化学成分和断裂形态进行了评估。结果发现，复合材料的机械性能在 GNP 含量较低时（即 0.5 wt.%）有明显改善，而在含量较高时（即 1 和 1.5 wt.%）有下降趋势。在所有纳米复合材料中，由 0.5 wt.% GNPs 组成的复合材料的拉伸模量和强度最大，分别为 6.74 GPa 和 230.25 MPa；弯曲模量和强度最大，分别为 16.43 GPa 和 831.79 MPa；冲击强度最大，为 47.25 kJ m-2；硬度最大，为 97.96 Shore D。此外，断裂形态显示，复合材料失效主要是由纤维断裂、纤维与基体脱粘、空隙和 GNP 聚结引起的。这项研究的成果为促进人造多尺度复合材料在航空航天、汽车和船舶工业中的应用提供了一些启示。

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来源期刊

ACS Applied Energy Materials Materials Science-Materials Chemistry

CiteScore

10.30

自引率

6.20%

发文量

1368

期刊介绍： ACS Applied Energy Materials is an interdisciplinary journal publishing original research covering all aspects of materials, engineering, chemistry, physics and biology relevant to energy conversion and storage. The journal is devoted to reports of new and original experimental and theoretical research of an applied nature that integrate knowledge in the areas of materials, engineering, physics, bioscience, and chemistry into important energy applications.