Development and Mechanical Behavior of FML/Aluminium Foam Sandwiches

Baştürk, S. B.; Tanoğlu, Metin

doi:10.1007/s10443-012-9306-3

Cited by 23 publications

(9 citation statements)

References 15 publications

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“…The compression kink failure associated with the significant amount of core densification in GE/OB specimens as a consequence of water absorption on compressive behavior of both the GE facesheets and cork core can be observed, as shown in Figure 15(c). This failure mode sometimes occurs when the facesheets cannot be supported by the core, which would be associated with the occurrence of local buckling at stresses much lower than the predicted values [2]. Contrary to what was observed in FML/DF specimens, since GE facesheet is unable to present permanent plastic deformation, the original volume of the core is almost completely recovered after unloading process.…”

Section: Resultsmentioning

confidence: 99%

“…In recent years, composite sandwich structures have received a great deal of attention in numerous marine applications such as naval crafts thanks to the interesting properties like low weight, high flexural rigidity and strength, high corrosion resistance, and low thermal and acoustics conductivity [1,2]. Although a great variety of sandwich materials are utilized in the structure of the marine crafts, their use is mostly limited to secondary structures due to the lack of comprehensive data about some aspect of their durability under marine service environments [3].…”

Section: Introductionmentioning

confidence: 99%

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Characterization of moisture effects on novel agglomerated cork core sandwich composites with fiber metal laminate facesheets

Najafi

Darvizeh

Ansari

2018

Jnl of Sandwich Structures & Materials

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A sandwich material would be an attractive structural candidate for marine applications as long as it can retain its environmental durability. However, the susceptibility to moisture attacks is still the major drawback of sandwich materials in comparison to the single skin laminates. Hence, this paper aims to study the effect of moisture absorption on the mechanical behavior of a newly developed sandwich structure, which is intended for use as a water-resistant constructive system in marine industries. For this purpose, an eco-sandwich material consisting of fiber metal laminate facesheets bonded to a core of agglomerated cork was successfully designed and manufactured. To investigate the moisture effects on possible mechanical degradation, a certain number of sandwich specimens were immersed in distilled water for a period of 100 days. For comparison, a sandwich structure with the commercial E-glass–epoxy facesheets was also manufactured and exposed to the aforementioned conditioning process. Eventually, the flexural, buckling and impact behaviors of the conditioned specimens were evaluated and compared with those of dry specimens. Results showed that that water immersion exposure effectively contributed to reducing the mechanical properties of sandwich specimens with E-glass–epoxy facesheets compared with those having fiber metal laminate facesheets. Moreover, it was found that the excellent mechanical properties of the fiber metal laminates in combination with the high environmental durability of agglomerated cork offer a synergistic effect yielding a sandwich martial with various advantages in terms of eco-friendly, high environmental resistance, and superior mechanical properties.

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Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Characterization of moisture effects on novel agglomerated cork core sandwich composites with fiber metal laminate facesheets

Najafi

Darvizeh

Ansari

2018

Jnl of Sandwich Structures & Materials

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“…The three-point bending test is performed as per ASTM C 393 test standard [ 175 ]. The strength (σ b ) and modulus during bending of the sandwich core beam is measured as per the following equation [ 176 ].…”

Section: Testing and Performancementioning

confidence: 99%

A Brief Review on Advanced Sandwich Structures with Customized Design Core and Composite Face Sheet

2022

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Sandwich structures are a class of multifunctional high-performance structural composites that have the advantages of being lightweight, of a high strength-to-weight ratio, and of high specific energy absorption capabilities. The creative design of the core along with the apposite material selection for the fabrication of the face sheet and core are the two prerequisites with encouraging areas for further expedition towards the fabrication of advanced composite sandwich structures. The current review work focused on different types of core designs, such as truss, foam, corrugated, honeycomb, derivative, hybrid, hollow, hierarchical, gradient, folded, and smart core along with different composite materials accessible for face sheet fabrication, including fiber-reinforced composite, metal matrix composite, and polymer matrix composite are considered. The joining method plays a major role for the performance evolution of sandwich structures, which were also investigated. Further discussions are aligned to address major challenges in the fabrication of sandwich structures and further enlighten the future direction of the advanced composite sandwich structure. Finally, the work is summarized with a brief conclusion. This review article provides wider guidelines for researchers in designing and manufacturing next-generation lightweight multilayer core sandwich structures.

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“…Elmarakbi (2013), Gibson (2012), Daniel et al . (2002), Carlsson and Kardomateas (2011), Diabgroup (2012), Baştürk and Tanoǧlu (2013).…”

Section: Timentioning

confidence: 99%

Design of Lightweight Electric Vehicle and Application for Efficiency Challenge Marathon Competition

Imal

Ermurat

2022

Int. J. Eng. Sci. Tech

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Many vehicle manufacturers have started up the development and production of electric vehicles reducing in response to climate change, increasing air pollution and exhaust emission problems. In addition, the most important of the difficult problems associated with electric vehicles is the high cost caused by the use of a large number of batteries and the use of a limited number of batteries negatively affects the driving distance of the car. The limitations caused by the battery problems are not only to increase the cost but also increase vehicle load because it takes up too much space and limits the usage area of the vehicle. In order to address these problems, electric vehicle manufacturers have tried to find a way to reduce the weight of the vehicle body. Therefore, to reduce weight, it would be more accurate to use light metal alloys that could get better results than using polymer composites in this study 6063 series aluminum alloy box and tube profiles were used as chassis materials, and birdcage chassis production was carried out by combining these profiles with MIG welding. After production is completed, the steering system, brake system, suspension system and other moving parts are installed on the chassis. As a result, the final weight of the vehicle was 210 kg and the negativity that may occur was prevented.

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Development and Mechanical Behavior of FML/Aluminium Foam Sandwiches

Cited by 23 publications

References 15 publications

Characterization of moisture effects on novel agglomerated cork core sandwich composites with fiber metal laminate facesheets

Characterization of moisture effects on novel agglomerated cork core sandwich composites with fiber metal laminate facesheets

A Brief Review on Advanced Sandwich Structures with Customized Design Core and Composite Face Sheet

Design of Lightweight Electric Vehicle and Application for Efficiency Challenge Marathon Competition

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