Experimental Study of Mechanical Properties of Unidirectional Woven Carbon Fiber and Fiber Glass - Epoxy Composites

Awla, Naznaz Jalal; Khdir, Younis Khalid

doi:10.29194/njes.26010007

NJES

2023

DOI: 10.29194/njes.26010007

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Experimental Study of Mechanical Properties of Unidirectional Woven Carbon Fiber and Fiber Glass - Epoxy Composites

Naznaz Jalal Awla¹,

Younis Khalid Khdir²

Abstract: In this study, the mechanical properties of an epoxy, unidirectional woven carbon and fiberglass composite were investigated experimentally. ASTM used for preparing the composite specimen. Different ranges of mixing ratios of woven carbon and fiberglass with epoxy are studied. Tensile, impact and bending test are carried out to investigate the mechanical properties for produced new composites. After testing the mechanical properties of the specimens, it is noted that adding of unidirectional woven carbon layer… Show more

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2024

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Fabrication and Compression Properties of Reinforced Epoxy Syntactic Foam With Basalt Fiber

Cao,

Jiang,

Shi

et al. 2024

Advances in Polymer Technology

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Deep‐sea equipment is generally made of lightweight and pressure‐resistant materials in order to meet the requirements of the actual work. In order to explore marine resources better, it is necessary to research lightweight buoyancy materials for loading on mining equipment. These buoyancy materials contribute not only to providing adequate buoyancy to the mining equipment but also to reducing economic expenses. In this paper, hollow glass microspheres reinforced epoxy hollow spheres (HGMSs‐EHSs) were prepared by the rolling ball method using expanded polystyrene (EPS), epoxy resin (EP), and HGMS as raw materials. Epoxy syntactic foam (ESF) was manufactured by blending EP, curing agent, HGMS, and HGMS‐EHS with molding method. Basalt fiber (BF) reinforced ESF was fabricated by adding BFs to form a fiber network inside the syntactic foam. The results revealed that the density and compressive strength of ESF increased progressively with the number of HGMS‐EHS layers. The density and compressive strength of ESF decreased prospectively with the increase of the stacking volume fraction of HGMS‐EHS. The density and compressive strength of ESF increased gradually with the enlargement of the length and content of BF. In the range of influencing factors mentioned above, the density of ESF remains around 0.3 g/cm3, which has a low density. When the number of layers of HGMS‐EHS was two, the stacking volume fraction was 90%, the length of BF was 12 mm, the content of BF was 4%, the density of BF‐ESF was 0.316 g/cm3, and the compressive strength was 6.93 MPa. The compressive strength of prepared buoyancy material can meet the pressure resistance requirements for operations in waters of a certain depth. With a density of only 0.316 g/cm3, it provides sufficient buoyancy to balance the gravity of the equipment. Compared with the current study, in this paper, BFs were used as the reinforcing phase to prepare solid buoyancy foam with low density and high compressive strength. The experimental results demonstrate that this economical fiber material can effectively improve the compressive strength of buoyancy materials. This buoyancy material may be suitable for loading on small equipment for extracting marine resources. This work provides a reference for the preparation of low‐density solid buoyancy materials.

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Fabrication and Compression Properties of Reinforced Epoxy Syntactic Foam With Basalt Fiber

Cao,

Jiang,

Shi

et al. 2024

Advances in Polymer Technology

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show abstract

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Experimental Study of Mechanical Properties of Unidirectional Woven Carbon Fiber and Fiber Glass - Epoxy Composites

Cited by 1 publication

References 12 publications

Fabrication and Compression Properties of Reinforced Epoxy Syntactic Foam With Basalt Fiber

Fabrication and Compression Properties of Reinforced Epoxy Syntactic Foam With Basalt Fiber

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