MWCNT, nano‐silica, and nano‐clay additives effects on adhesion performance of dissimilar materials bonded joints

Çakır, Mehmet Veysel; Kinay, Didem

doi:10.1002/pc.26268

Cited by 30 publications

(9 citation statements)

References 46 publications

(34 reference statements)

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“…Aluminum and fiber composites are widely used in the automotive due to their high strength/weight ratios. [ 3 ] Adhesive joints are preferred as the primary method of forming structural joints, mainly used to transfer uniform load or bear shear load of non‐main bearing parts, such as body panels, etc. The advantages of adhesive joining are very obvious, mainly the advantages of no stress concentration, high‐joining efficiency, light structure, insulation corrosion and other advantages, but also because of its low‐joining strength, easy to peel damage, aging and other disadvantages restrict the development and promotion of bonding.…”

Section: Adhesive Processmentioning

confidence: 99%

Joining processes of CFRP‐Al sheets in automobile lightweighting technologies: A review

Han

Guang

et al. 2022

Polymer Composites

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According to the development trend of modern car body, the future car body will be composed of steel, aluminum‐magnesium alloy, plastic, carbon fiber reinforced polymer (CFRP), and other lightweight materials. Hybrid material body represents the latest development trend of car body structure in the future. With the development of lightweight technology, the application of carbon fiber composite material in automobile bodies is increasing due to its exceptional performance. Therefore, the joining of carbon fiber sheets with dissimilar sheets process in the hybrid material body is a key technical problem that needs to be solved. In this paper, the existing joining processes of adhesive process, mechanical joining, welding process, and hybrid joining for carbon fiber composites are reviewed; the principle, development, advantages, and shortcomings of each process for carbon fiber composites joining processes are systematically described; and the latest progress of the joining process are introduced. The purpose is tantamount to broaden the application range of carbon fiber sheets with dissimilar sheets and provide reference for its extensive application in the development of hybrid car body and lightweight.

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Section: Adhesive Processmentioning

confidence: 99%

Joining processes of CFRP‐Al sheets in automobile lightweighting technologies: A review

Han

Guang

et al. 2022

Polymer Composites

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“…Table 2. Properties for Araldite 2014-1 adhesive [31,32] The bonding region is 40x40mm, and the thickness of the adhesive layer is 0.1 mm [33][34][35]. A fixture was used to ensure keeping the adhesive thickness constant for all adhesively bonded samples.…”

Section: Test Specimenmentioning

confidence: 99%

Tensile Strength of Adhesively Bonded and Hybrid (Bonded/Riveted) Dissimilar Single-Lap Joints

Cetin

2022

International Journal of Automotive Science and Technology

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Glass fiber-reinforced composites are commonly employed as structural materials in many fields. In addition, glass fiber-reinforced composites are frequently used with metals, particularly in the automotive and aerospace industry. In this context, the tensile strengths of simple and hybrid single-lap joints having similar (i.e., aluminum/aluminum and composite/composite) and dissimilar (i.e., aluminum/composite) plates were investigated experimentally in this study. At this point, 6061 aluminum alloy and E-glass/epoxy composite plates were used as the adherends and Araldite 2014-1 was used as the adhesive. The composite adherends produced using the vacuum infusion technique consist of E-glass/epoxy laminates with [0°/90°/+45°/−45°]6 stacking sequence. Two different types of joints (i.e., adhesively bonded and bonded/riveted) were employed for similar and dissimilar joints. In addition, both 3-rivet and 4-rivet joints were used in bonded/riveted joints. The results revealed that the strength of the joints could be considerably increased with the addition of rivets to the adhesively bonded joints. In particular, the results showed that the strength value of the bonded/4-riveted joint is 5.7 times higher than the adhesively bonded joints.

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“…The findings of the research showed that the inclusion of nanoparticles resulted in improved mechanical characteristics. 16,17 Various surface pretreatments are employed to prepare the surface prior to material joining, resulting in significant time and energy consumption. 18 The failure strength of a cocured (CC) composite hat-stiffened panel was higher when using a metal mold, rubber mold, or inflatable mold compared to the strength achieved through co-bonding or secondary bonding methods.…”

Section: Introductionmentioning

confidence: 99%

Enhancing shear and flexural strength of single lap composite joints with a graphene nanoparticle‐reinforced adhesive through a co‐curing technique

Venugopal,

Sudhagar P

2023

Polymer Composites

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Adhesive‐bonded joints in glass fiber‐reinforced polymer (GFRP) composite structures give numerous benefits, such as greater flexibility, good specific strength, improved fatigue resistance, and the ability to reduce stress concentration. Consequently, adhesive‐bonded joints are considered more influential if compared to fasteners. This research investigates the effects of incorporating graphene nanoparticles (GNPs) into the adhesive layer on several aspects of adhesively bonded co‐cure (CC) single‐lap GFRP composite joints. These aspects include shear strength, flexural strength, failure mechanisms, and fractography studies. The study examined six distinct weight percentages of GNP, specifically 0.25, 0.50, 0.75, 1.0, 1.25, and 1.5 wt.%, which are considered to enhance the interfacial strength of adhesive joints. Based on the research, 0.75 wt.% of GNP single‐lap joint (SLJ) shear strength improved by 69.40% when compared to the plain matrix SLJ. This suggests excellent load transmission between adherends. In addition, the flexural strength increased by 46.57% in the specimens containing 1.25 wt.% GNP when compared to the plain matrix used to bond in SLJ. After testing, fractured specimen microscopic images were used to examine failure mechanisms. According to fractography studies, adding GNPs to the adhesive causes surfaces to become rougher, which improves the adhesion between the adhesive and the adherends.Highlights Six distinct wt.% of GNPs were used to prepare the matrix by sonication. Single‐lap GFRP composite joints were fabricated through a CC technique. SLJ's maximum shear strength was found at 0.75 wt% of GNP. SLJ's maximum flexural strength was found at 1.25 wt% of GNP. Failure analysis was conducted using microscopes and FESEM images.

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MWCNT, nano‐silica, and nano‐clay additives effects on adhesion performance of dissimilar materials bonded joints

Cited by 30 publications

References 46 publications

Joining processes of CFRP‐Al sheets in automobile lightweighting technologies: A review

Joining processes of CFRP‐Al sheets in automobile lightweighting technologies: A review

Tensile Strength of Adhesively Bonded and Hybrid (Bonded/Riveted) Dissimilar Single-Lap Joints

Enhancing shear and flexural strength of single lap composite joints with a graphene nanoparticle‐reinforced adhesive through a co‐curing technique

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