FEA and experimental ultimate burst pressure analysis of type IV composite pressure vessels manufactured by robot-assisted radial braiding technique

Eryılmaz, Oğuz; Öz, Muhammed; Jois, Kumar C.; Sackmann, Johannes; Gries, Thomas

doi:10.1016/j.ijhydene.2023.07.302

Cited by 5 publications

(2 citation statements)

References 35 publications

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“…Composites are widely used in aerospace, 1 automotive, 2 and industrial applications due to their high strength‐to‐weight ratio and excellent mechanical properties along with titanium 3–6 . Currently, micro‐drilling of composites finds extensive application in various fields, including aircraft engine nacelle, and wind turbine blades in order to reduce noise which results in acoustic fatigue damage 7–9 .…”

Section: Introductionmentioning

confidence: 99%

Micro drilling characterization of the carbon and carbon–aramid (hybrid) composites

Sen,

Eryilmaz,

Bakir

2024

Polymer Composites

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In this study, micro‐drilling tests were carried out on composite laminates reinforced with hybrid (aramid‐carbon) and carbon fibers. Thrust force, hole quality, tool wear, and temperature parameters were measured and assessed following each drilling test. The quality of holes includes circularity, overcut, hole damage factor (HDF), and taper ratio. Micro‐drilling was performed on a CNC milling machine using 0.6 mm drill diameter, 7500 rpm, and 0.5 mm/min feed parameters. The plates are 3.05 mm (carbon fiber) and 3.45 mm (hybrid) thick. According to the results, the maximum thrust force (29.8 N) was measured in the hybrid composite due to the high fracture toughness of the aramid. In addition, it was determined that the thrust force and drill wear were related. The increase in thrust force during drilling caused an increase in drill wear values. While the average wear of the drill in carbon composite was 0.013 mm, the average wear of the drill in hybrid composite was 0.021 mm. Thrust force and tool temperatures were found to have a similar trend. The highest tool temperature was measured as 86.7°C in the hybrid composite. Hole quality results showed that drilling in carbon composite was more successful than in hybrid composite. Holes drilled in carbon composite have lower values for overcut (0.017 mm), HDF (1.028), and taper ratio (0.008). It has been understood that hole quality depends on thrust force and damage formation.Highlights Carbon and hybrid (carbon‐aramid) composites were produced with a vacuum infusion process (VIP). Micro‐drilling of composites was investigated focusing on thrust force, tool temperature, and hole quality. Hybrid composites exhibited greater thrust forces due to their higher toughness compared to carbon composites. Hybrid composites showed higher maximum tool temperatures compared to carbon composites. The carbon composites exhibited better hole quality compared to the hybrid composites.

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Section: Introductionmentioning

confidence: 99%

Micro drilling characterization of the carbon and carbon–aramid (hybrid) composites

Sen,

Eryilmaz,

Bakir

2024

Polymer Composites

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“…Manufacturers felt the need to shift from using synthetic fiber-reinforced composites to bio-composite green materials as a result of the global green movement, which also included hydrogen energy. (Eryilmaz et al 2023b). Therefore, studies on textile and composite fibers, which can be obtained quickly in different industries and used as raw materials, are gaining momentum (Satyanarayana et al 2009; Yildiz cellulose chains or within other polymer matrices (Väisänen et al 2017;Han et al 2023;Madueke et al 2023;Sahu et al 2023).…”

Section: Introductionmentioning

confidence: 99%

Exploring the potential of sustainable natural cellulosic fiber from Sorghum bicolor (Sorghum vulgare var. technicus) stem for textile and composite applications

Ovalı,

Eryılmaz,

Uyanık

2024

Cellulose

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In the present research, the usability of cellulosic-based fibers obtained from the Sorghum bicolor plant stem as reinforcing fibers in composites and textiles was investigated. The fibers were obtained from a Sorghum bicolor plant growing wild in the Adana region in the South of Turkey. Density, chemical structure analysis, FTIR, XRD, TGA, XPS SEM, and single fiber tensile tests characterized Sorghum bicolor fiber (SBF). SBF contains cellulose (73.6%), hemicellulose (13.3%), and lignin (12.1%). The oxygen/carbon ratio of 0.43 found as a result of XPS analysis indicates that fibers have a hydrophilic character. SBF has a 59.34% crystallinity index, 284.6 MPa tensile strength, 4.71% GPa tensile modulus, and 21.44% elongation at break. The maximum degradation temperature of the fibers was determined as 364.22 °C. Sorghum bicolor fiber, through detailed characterization, emerges as potential promising reinforcement for the composite industry with relatively good strength and high cellulose content for the textile industry.

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Multi-objective Process Optimization of Micro-drilling Parameters on Carbon and Carbon–Aramid (Hybrid) Fabric Composites

Sen,

Eryilmaz,

Bakir

2024

Arab J Sci Eng

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FEA and experimental ultimate burst pressure analysis of type IV composite pressure vessels manufactured by robot-assisted radial braiding technique

Cited by 5 publications

References 35 publications

Micro drilling characterization of the carbon and carbon–aramid (hybrid) composites

Micro drilling characterization of the carbon and carbon–aramid (hybrid) composites

Exploring the potential of sustainable natural cellulosic fiber from Sorghum bicolor (Sorghum vulgare var. technicus) stem for textile and composite applications

Multi-objective Process Optimization of Micro-drilling Parameters on Carbon and Carbon–Aramid (Hybrid) Fabric Composites

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