An equivalent material formulation for sinusoidal corrugated cores of structural sandwich panels

Bartolozzi, G; Pierini, Marco; Orrenius, Ulf; Baldanzini, Niccolò

doi:10.1016/j.compstruct.2012.12.042

Cited by 97 publications

(38 citation statements)

References 31 publications

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“…As in previous chapter, most researches uses sheet metal as such Bartolozzi et al [9,34] use of metal due to its main characteristic which is high stiffness-to-mass ratio, most likely under bending conditions. Zhang et al [6,10,14] and Lim et al [13] used stainless steel sheet to study the dynamic and buckling response of trapezoidal corrugated core sandwich structure panels.…”

Section: Potential Of Natural Fiber For Corrugated Coresmentioning

confidence: 99%

“…A lot of theoretical, numerical, and experimental studies have been conducted to find its failure mode, properties of the design and the behavioral of corrugated core sandwich structure [6,[9][10][11][12][13][14][34][35][36][37]. In Figure 2, Buannic et al [35] reported that corrugated core sandwich structure can be categorized into four different conventional geometries; straight, hat-type, triangular and curvilinear.…”

Section: Potential Of Natural Fiber For Corrugated Coresmentioning

confidence: 99%

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Natural Fiber Reinforced Composites: A Review on Potential for Corrugated Core of Sandwich Structures

et al. 2016

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Abstract. Natural fibers, characterized by sustainability, have gained a considerable attention in recent years, due to their advantages of environmental acceptability and commercial viability. In this paper, the characterization of natural fibers including the mechanical properties and alkalization of fibers is presented. Most recent study had gone through the mercerization process to improve the toughness of natural fibers; which is a well-known hydrophilic material. Traditional reinforcement method was commonly used to fabricate a natural fiber composite such as hand lay-up and mold press due to its convenience in terms of time and cost. Also, different kind of matrix material used in different kind of natural fibers gave high impact on the tensile and flexural test result. By selecting appropriate chemical treatment, matrix material and fabrication method, the tensile and flexural test gives different results and findings. As most researchers tend to use metals to create corrugated cores for sandwich structure, it is possible to develop this structure using natural fibers such as kenaf, wood dust, and other natural fibers.

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Section: Potential Of Natural Fiber For Corrugated Coresmentioning

confidence: 99%

Section: Potential Of Natural Fiber For Corrugated Coresmentioning

confidence: 99%

Natural Fiber Reinforced Composites: A Review on Potential for Corrugated Core of Sandwich Structures

et al. 2016

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“…Bartolozzi et al [25] investigated sinusoidal corrugatedcores aluminum sandwich structures. The main field of application of these aluminum structures is the transport area, e.g.…”

Section: Sinusoidalmentioning

confidence: 99%

“…For these panels there are dissimilar core shapes, such as truss-type corrugations (i.e. triangular), circular shape or trapezoidal cores [25].…”

Section: Corrugated-corementioning

confidence: 99%

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Sandwich Structure Based On Corrugated-Core: A Review

2016

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Abstract. Sandwich structures are commonly based on polymeric foam and honeycomb core material, for use in lightweight applications such as fuselage in aero plane, hull in marine construction and others. A review of sandwich structure based on corrugated-core is proposed and presented in this paper. Firstly, this paper aims to provide a means of comparing available sandwich structure in industries. Secondly, this paper aims to provide sandwich structure with corrugated-core for future research development efforts in field of sandwich construction. This paper starts with introduction of composite material such as sandwich structure, the advantages of sandwich structure was shown. After that these papers provide the structure of sandwich structure which includes the two faces and the cores. Furthermore, sandwich structure with different cores, which is honeycomb, foam core and corrugated core are discussed. At the end, the paper discussed more on corrugated-core for future research development.

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Effect of Rate Sensitivity on Structural Sandwich Plates with Sinusoidal Corrugated Cores

Shi

Zhao²,

et al. 2016

Adv Eng Mater

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A plane strain elastic-viscoplastic-based finite element model is developed to simulate a composite system with sinusoidal corrugated cores under tensile loading conditions. Numerical study shows that the rate sensitivity in the reinforced core provides a positive impact on loading capacity, the necking strain retardation, and improvement in the ductility of a composite. By carefully selecting the reinforced sinusoidal core geometric parameters, extra margin can be gained in improving the uniform elongation without comprising the loading capacity of a composite system. For a given volume fraction of reinforced core, an optimized reinforcement arrangement is found to achieve an improved ductility for a plate with sinusoidal corrugated core.

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An equivalent material formulation for sinusoidal corrugated cores of structural sandwich panels

Cited by 97 publications

References 31 publications

Natural Fiber Reinforced Composites: A Review on Potential for Corrugated Core of Sandwich Structures

Natural Fiber Reinforced Composites: A Review on Potential for Corrugated Core of Sandwich Structures

Sandwich Structure Based On Corrugated-Core: A Review

Effect of Rate Sensitivity on Structural Sandwich Plates with Sinusoidal Corrugated Cores

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