Preliminary analysis of hybrid laminate composite for aircraft radome application

Haris, M.Y.; Fernández-López, Antonio; Aris, Khairul Dahri Mohd; Muzafar, Z.; Zuhudi, Nurul Zuhairah Mahmud; Laila, Dayang; Nurhafiza, K.

doi:10.1088/1757-899x/697/1/012032

Cited by 6 publications

(3 citation statements)

References 2 publications

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“…Both methods give a good comparable thickness consistency. Haris et al, [9] have conducted preliminary works on the minimum number of layers for aircraft radome application. Nevertheless, flow analysis and simulation in mould design will ensure the resin is impregnated at all surface areas.…”

Section: 𝑄 = 𝐾𝐴∆P 𝜇𝐿 (1)mentioning

confidence: 99%

Vacuum Infusion Simulation for Radome Manufacturing Using Woven Flax Fibre and Glass Fibre

Haris

Aris

Zulkifli

et al. 2021

ARFMTS

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The vacuum infusion method is emerging to produce composite parts, especially thin wall structure aircraft radome. Ansys Fluent is used in the optimization phase for mould filling analysis on aircraft radome part. The permeability fibre is referring to the physical property of the fibre reinforcement to allow fluids to permeate it, thus it is correlated with the viscosity of the resin used. In this work, flax fibre, glass fibre and low viscosity epoxy resin are used to determine the permeability value of flax fibre, glass fibre and hybrid without using a flow medium. In-plane experiment on reinforcement fibre permeability is conducted and all reinforcement fibre have similar fibre architecture and weight. The development of a digital model from a top partial aircraft radome is obtained through a 3D scanner and CATIA. Ansys Fluent is used to optimize the location of the injection line and air vent for the epoxy. The Ansys Fluent analysis model is validated through the in-plane experiment filling time result for a flat model. Based on the simulation analysis, the location of the injection line is placed at the perimeter and the air vent at the centre. The filling time from the simulation for the flax fibre and hybrid fibre was estimated around 10 to 11 minutes. However, the filling time for glass fibre is approximate 2 hours which is longer than epoxy gel time. Furthermore, this method can be used in mould filing scenarios of thin wall structure within gel time of the resin.

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Section: 𝑄 = 𝐾𝐴∆P 𝜇𝐿 (1)mentioning

confidence: 99%

Vacuum Infusion Simulation for Radome Manufacturing Using Woven Flax Fibre and Glass Fibre

Haris

Aris

Zulkifli

et al. 2021

ARFMTS

View full text Add to dashboard Cite

show abstract

“…13,14 Among various composite materials, GFRP, which has a relatively low dielectric constant and excellent corrosion resistance and mechanical properties, is mainly used. 15,16 The shape of the radome for aircraft is rather large and complicated compared to other parts. In addition, since stable electromagnetic properties must be secured, uniformity of thickness is important.…”

Section: Introductionmentioning

confidence: 99%

Effect of void formation according to resin content on composite joint area

Kim

Choi

Shin

et al. 2023

Journal of Composite Materials

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The field of application of Glass Fiber Reinforced Polymer expands as well as the size of the component where composite material is applied. Due to the size limitation of the prepreg used, it is difficult to apply 1ply to large parts. Many studies have been reported on the bolt joint that assembles parts and parts for the joint area, butt and overlap design for joining dissimilar materials, and mechanical properties. Although the mechanical properties of the joint areas are important, studies on the microstructure are also needed. In this study, the microstructure was observed by controlling the type of subsidiary materials in the bagging process by applying prepregs of the same composition. It was found that the air and resin flow inside the prepreg acted differently depending on the type of subsidiary material. The flow of resin during curing was inferred from the influence of subsidiary materials and explained by connecting it with the microstructure. The behavior of the resin determined thickness, resin, and void contents of the composite. This flow affects voids in the joint area, causing differences in microstructure and mechanical properties. There was no significant difference in the tensile strength of the laminate specimens manufactured according to the process, but the minimum strength was found in the specimens containing many void contents. The joint specimen showed a decrease in strength as the void content increased. It was discussed that this reduced the adhesive force of the specimen due to the effect of the void generated in the joint area.

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“…[10,11] Among various composite materials, GFRP (glass fiber reinforced polymer), which has a relatively low dielectric constant and excellent corrosion resistance and mechanical properties, is mainly used. [12,13] In addition, the application range of GFRP is gradually expanding in fields where electromagnetic properties are important.…”

Section: Introductionmentioning

confidence: 99%

Effect of the subsidiary materials of the manufacturing process on the microstructure of the composite laminate

et al. 2022

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Composite specimens with resin contents of 33.5%, 35.4%, and 35.9%, respectively, were manufactured by controlling the type of subsidiary material used in the bagging process for a composite material having the same composition.The effect of controlling the resin content on the microstructure and mechanical properties of composite specimens was investigated. The flow of resin and air during the cure process was inferred and explained by connecting it with the microstructure. Specifically, the behavior of the resin determined the thickness, density, and void of the composite laminate, which acted as a factor causing the difference in mechanical properties of the composite materials. As the resin content increased, there was no significant difference in tensile strength, but Young's modulus decreased. In the case of the compression test, there was a difference in mechanical properties due to the combined effect of the reinforcement and the resin. The maximum compressive strength value was shown in the process with low void content, and Young's modulus tended to decrease as the resin content increased. In the bagging process, the subsidiary material controlled the flow of resin and air, and caused a difference in microstructure, affecting the change of mechanical properties.

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Preliminary analysis of hybrid laminate composite for aircraft radome application

Cited by 6 publications

References 2 publications

Vacuum Infusion Simulation for Radome Manufacturing Using Woven Flax Fibre and Glass Fibre

Vacuum Infusion Simulation for Radome Manufacturing Using Woven Flax Fibre and Glass Fibre

Effect of void formation according to resin content on composite joint area

Effect of the subsidiary materials of the manufacturing process on the microstructure of the composite laminate

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