Braided composites in aerospace engineering

Carey, Jason P.; Melenka, Garrett W.; Hunt, Alexander J.; Cheung, Benjamin; Ivey, M.; Ayranci, Cagri

doi:10.1016/b978-0-08-100037-3.00006-7

Cited by 10 publications

(4 citation statements)

References 55 publications

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“…One key advantage of MPM composites is their high strength-to-weight ratio, making them ideal for applications requiring weight and high-performance materials [ 2 , 3 ]. The polymer layer in MPM composites can also help to dampen vibrations and reduce noise, which is particularly important in aerospace applications [ 4 ]. MPM composites have become increasingly popular in many industries, including aerospace, automotive, and construction.…”

Section: Introductionmentioning

confidence: 99%

Analysis of Surface Texture and Roughness in Composites Stiffening Ribs Formed by SPIF Process

et al. 2023

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Studying roughness parameters and the topography of stiffening ribs in composite sandwich structures is important for understanding these materials’ surface quality and mechanical properties. The roughness parameters describe the micro-geometry of the surface, including the average height deviation, roughness depth, and waviness. The topography of the surface refers to the spatial arrangement and distribution of features such as bumps, ridges, and valleys. The study investigated the roughness parameters under three scenarios based on two SPIF process parameters: tool rotational speed(N) and feed rate (f). The vertical step was held constant at 0.4 mm across all scenarios. In scenario A, the process parameters were set at f = 300 mm/min and n = 300 rpm; in scenario B, f = 1500 mm/min and n = 3000 rpm; and in scenario C, f = 1500 mm/min and n = 300 rpm. The experimental research topography analyses revealed that the surface roughness of the stiffened ribs was highly dependent on the SPIF process parameters. The highest feed rate and tool rotational speed produced the smoothest surface texture with the lowest maximum height (Sz) value. In contrast, the lowest feed rate and tool rotational speed resulted in a rougher surface texture with a higher maximum height (Sz) value. Furthermore, the contour plots generated from the topography analyses provided a good visual representation of the surface texture and roughness, allowing for a more comprehensive analysis of the SPIF process parameters. This study emphasizes optimizing the SPIF process parameters to achieve the desired surface quality and texture of stiffened ribs formed in Litecor® panel sheets.

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Section: Introductionmentioning

confidence: 99%

Analysis of Surface Texture and Roughness in Composites Stiffening Ribs Formed by SPIF Process

et al. 2023

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“…Compared with the traditional metal materials, fiber‐reinforced polymer composites have special advantages on strength, stiffness, and fatigue durability. Therefore, they are widely applied in aeronautics and astronautics engineering, 1,2 vehicle, 3,4 and wind turbine blade structure 5,6 . In these engineering structures, the composite components are subjected to the random loadings from acoustic and vibrational environment.…”

Section: Introductionmentioning

confidence: 99%

Prediction on fatigue properties of the plain weave composite under broadband random loading

Sun

Zhang

Yang

et al. 2021

Fatigue Fract Eng Mat Struct

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In this paper, the fatigue properties of the plain weave composite subjected to broadband random loading are investigated. A prediction method is proposed to calculate the failure probability of the composite under random loading by combining the probability density function of the residual strength and the probability density function of the stress peaks. The stress randomness and the strength dispersity are both taken into account in the analysis of the residual strength and the failure probability curves. The fatigue life data of the plain weave composite under broadband random responses are obtained from the random vibration tests. The predicted results are in good agreement with the experiments.

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“…Braided composites consist of interwoven yarns embedded in a resin system [1]. Thanks to their high strength-to-weight ratio and performance under 3-D stress states, tubular braided composites are increasingly used in a variety of applications, including biomedical [2], sports [3,4], aerospace [5] and military [6,7]. In contrast to laminated composites, braided composites exhibit greater impact resistance [8] and the opportunity to make near net shape preforms.…”

Section: Introductionmentioning

confidence: 99%

Mechanical performance of carbon-fibre braided composite tubes in tension and compression

Javaid¹,

Aumjaud²,

Whelan³

et al. 2021

Preprint

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This article examines the effect of braid angle on the mechanical performance of carbon-epoxy braided tubes in tension and compression. Vacuum-assisted resin transfer moulding is used to produce a variety of tubes with several combinations of 15◦and 20◦ braid angles. As uniaxial tensile testing of cylindrical tubes is not trivial, two tensile testing fixture designs are explored. It is found that a combination of mechanical and adhesive gripping produces repeatable fractures between the grips, with no slipping. Tubes with lower braid angles exhibit higher strengths both in tension and compression, as well as absorbing greater amounts of energy in compression.

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Braided composites in aerospace engineering

Cited by 10 publications

References 55 publications

Analysis of Surface Texture and Roughness in Composites Stiffening Ribs Formed by SPIF Process

Analysis of Surface Texture and Roughness in Composites Stiffening Ribs Formed by SPIF Process

Prediction on fatigue properties of the plain weave composite under broadband random loading

Mechanical performance of carbon-fibre braided composite tubes in tension and compression

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