Fatigue analysis of carbon, glass and other fibres

Abdin, Yasmine; Jain, Atul; Lomov, SV; Carvelli, Valter

doi:10.1016/b978-1-78242-281-5.00005-5

Cited by 4 publications

(3 citation statements)

References 53 publications

(68 reference statements)

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“…Additionally, this fiber has excellent corrosion resistance properties and presents unique fatigue damage mechanisms compared to other commonly used reinforcement fibers in composites. Aramid fibers are commonly used in bulletproof vests, blast protection systems, cooling instruments, ship hulls, and micro-strip antennas for spacecraft [ 86 , 87 , 88 , 89 ].…”

Section: Fdm 3d Printed Fiber Reinforced Composites (Frcs)mentioning

confidence: 99%

Various FDM Mechanisms Used in the Fabrication of Continuous-Fiber Reinforced Composites: A Review

Karimi,

Rahmatabadi,

Baghani

2024

Polymers

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Fused Deposition Modeling (FDM) is an additive manufacturing technology that has emerged as a promising technique for fabricating 3D printed polymers. It has gained attention recently due to its ease of use, efficiency, low cost, and safety. However, 3D-printed FDM components lack sufficient strength compared to those made using conventional manufacturing methods. This low strength can be mainly attributed to high porosity and low sinterability of layers and then to the characteristics of the polymer used in the FDM process or the FDM process itself. Regarding polymer characteristics, there are two main types of reinforcing fibers: discontinuous (short) and continuous. Continuous-fiber reinforced composites are becoming popular in various industries due to their excellent mechanical properties. Since continuous reinforcing fibers have a more positive effect on increasing the strength of printed parts, this article focuses primarily on continuous long fibers. In addition to polymer characteristics, different mechanisms have been developed and introduced to address the issue of insufficient strength in 3D-printed FDM parts. This article comprehensively explains two main FDM mechanisms: in-situ fusion and ex-situ prepreg. It also provides relevant examples of these mechanisms using different reinforcing elements. Additionally, some other less frequently utilized mechanisms are discussed. Each mechanism has its own advantages and disadvantages, indicating that further development and modification are needed to increase the strength of 3D-printed FDM parts to be comparable to those produced using traditional methods.

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Section: Fdm 3d Printed Fiber Reinforced Composites (Frcs)mentioning

confidence: 99%

Various FDM Mechanisms Used in the Fabrication of Continuous-Fiber Reinforced Composites: A Review

Karimi,

Rahmatabadi,

Baghani

2024

Polymers

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show abstract

“…The molecular chains of aramid are linked by strong covalent bonds (intramolecular hydrogen bonds) [7]. The aramid chains exhibit a high degree of fibre orientation due to their chemical structure (a radial pleated structure aligned along the fibre axis) [8][9][10][11][12].…”

Section: Aramid Fibres For Insulation Papermentioning

confidence: 99%

“…Due to their very stable chemical structure and strong intramolecular bonds, the aramid fibres have high values for thermal stability, longitudinal tensile strength, Young's modulus, elasticity and flexibility, even when splitting or delamination occur [7][8][9]12]. However, in the cross-radial direction, its transversal tensile strength and shear strength are low because the chains are radially linked by weaker hydrogen bonds [8,12,13].…”

Section: Aramid Fibres For Insulation Papermentioning

confidence: 99%