Hybridization effects on lateral buckling behavior of laminated composite beams

Yeter, Eyüp; Erkliğ, Ahmet; Bulut, Mehmet

doi:10.1002/pc.23438

Cited by 8 publications

(4 citation statements)

References 43 publications

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“…Therefore, it improved the strength and stiffness of hybrid samples (table 4). In sum, using the hybridization technique in hybrid layering, adding a carbon layer with higher stiffness increases the strength [43]. The carbon samples have the maximum specific critical loads compared to Innegra and hybrid samples.…”

Section: Comparison Of Critical Buckling Load Of Sandwich Beams Affec...mentioning

confidence: 97%

Buckling behavior of fiber reinforced Innegra sandwich beams incorporating carbon nanofiber

Hosseini¹,

Tooski²,

Khorshidvand³

et al. 2023

Funct. Compos. Struct.

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This study examined the effect of carbon nanofiber(CNF) on the buckling behavior of sandwich beams under axial compressive load(ACL). Three different configurations of sandwich beams consisting of composite skins with different arrangement of layers and PVC foam core were considered. Each composite skin is made of 4 layers reinforced with different materials consisting of Innegra, carbon and Innegra/carbon (Hybrid) and epoxy resin modified by CNF. Because of the difference in the thickness of the samples, the specific critical load parameter (the ratio of the critical buckling load to the thickness of the structure) was used to compare the buckling behavior of sandwich beams. The experimental test results indicated that carbon fiber as a stiffening interface in hybrid samples improved the specific critical load compared to Innegra samples. Also, the addition of 0.3wt%-CNF increases the specific critical load, while the further increase of CNF led to the decrease of the specific critical loads. which is the main cause of weak interfacial stress between CNF and epoxy resin. In addition, the effect of different percentages of CNF and types of fibers on the increase in toughness and damage mechanisms were investigated.

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Section: Comparison Of Critical Buckling Load Of Sandwich Beams Affec...mentioning

confidence: 97%

Buckling behavior of fiber reinforced Innegra sandwich beams incorporating carbon nanofiber

Hosseini¹,

Tooski²,

Khorshidvand³

et al. 2023

Funct. Compos. Struct.

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“…When a long-beam is laterally loaded, the beam shows a failure as collapsing in a twisting mode due to compression in the bottom fibers caused by buckling. [61] So, determination of lateral buckling characteristics of beam type samples is a crucial design criterion in structural applications to prevent premature collapse of the structures laterally. Therefore, Kevlar/epoxy fiber reinforced composite samples were subjected to lateral compression loading with fixed-free end conditions.…”

Section: Lateral Buckling Testsmentioning

confidence: 99%

Axial and lateral buckling analysis of kevlar/epoxy fiber‐reinforced composite laminates incorporating silica nanoparticles

Özbek

2020

Polymer Composites

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The aim of this study was to experimentally determine the effect of silica nanoparticles (NS) on the buckling characteristics of Kevlar/epoxy fiber reinforced composite laminates. The composite samples with different weight fractions of NS particles, namely 0.0, 0.5, 1.0, 1.5 and 2.5 wt%, were prepared by vacuum assisted resin transfer molding (VARTM) and subjected to axial and lateral buckling tests. Additionally, the buckling tests were performed on the samples with different lengths (125, 150, 175, 200 and 225 mm) to analyze in more detail the influence of NS fractions on axial and lateral buckling performances. Morphology and failure mechanisms of the samples were analyzed using scanning electron microscopy images of critical regions of each sample. The results showed that the incorporation of NS particles led to higher critical buckling load values for both axial and lateral buckling. The highest critical buckling load values for both axial and lateral buckling events were observed for 1.5 wt% NS particle content in Kevlar/epoxy composite laminates. Further

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“…Yeter et al investigated the effect of hybridization on lateral buckling behavior of composite beams with different ply orientations, different cutouts and length/thickness ratio [15].…”

Section: Introductionmentioning

confidence: 99%

Lateral Buckling of Glare for Aerospace Application

Yeter

2023

Sakarya University Journal of Science

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Glare (Glass Reinforced Aluminium) which consists of fibre metal laminate composite consisting of aluminium and glass is used aerospace structures are supposed to buckling and impact loads. Lateral buckling analyses were made to determine critical buckling loads, and results were compared to Al 2024-T3 in this paper. Weight and load carrying capacity of Glare grades were taken into consideration and the importance of weight to critical load was stated. Numerical works were carried out by starting with Glass and Aluminum then continued for Glare Grades of Glare 2A, Glare 2B, Glare 3A, Glare 3B, Glare 4A, Glare 4B, Glare 5A, Glare 5B, Glare 6A and Glare 6B to estimate buckling load values. Several comparisons were presented for Glare grades based on Al 2024-T3 through paper. Glare 2A, 2B, 3A, 3B, 6A and 6B Grades have lower weight and buckling load values compared to Al 2024-T3. Lower weight is essential for aerospace applications. But optimum weight and load carrying capacity can be selected for intended applications by taking weight and load into consideration at same time. Although Glare grades of 4A 2-1, 4B 2-1, 5A 2-1 and 5B 2-1 having closer weight (17.60g, 17.60g, 19.13g and 19.13g respectively) to Al 2024-T3 (17.31g), higher buckling loads were determined for Glare grades numerically. The best choice for Glare as an alternative to Al 2024-T3 under lateral buckling loading can be decided for point of views of less weight to critical load ratio.

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Hybridization effects on lateral buckling behavior of laminated composite beams

Cited by 8 publications

References 43 publications

Buckling behavior of fiber reinforced Innegra sandwich beams incorporating carbon nanofiber

Buckling behavior of fiber reinforced Innegra sandwich beams incorporating carbon nanofiber

Axial and lateral buckling analysis of kevlar/epoxy fiber‐reinforced composite laminates incorporating silica nanoparticles

Lateral Buckling of Glare for Aerospace Application

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