Synthesis and characterization of honeycomb sandwiched composite material for automobile applications

Upadhyaya, Shravan; Korgal, Akash; Sridhar, B S; Kumar, Birendra

doi:10.1016/j.matpr.2021.11.499

Cited by 2 publications

(1 citation statement)

References 7 publications

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“…The sandwich structure with the form "continuous layer-lattice layer-continuous layer" is widely employed as a light-weight solution in aerospace [1,2], automobile [3,4] and aerodynamic structures [5,6], as well as in energy absorption components [7,8], because of its large structural stiffness and small equivalent density. In particular, the emergence of additive manufacturing technology brings the potential of manufacturing complex sandwich structures for broader industrial needs that cannot be achieved by traditional machining [9].…”

Section: Introductionmentioning

confidence: 99%

Mechanical Performance and Failure Analysis of a 3D-Printed “Continuous Layer–Lattice Layer–Continuous Layer” Sandwich Structure

Nie,

Kong,

Zhang

et al. 2023

Polymers

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Sandwich structures are engineered with continuous layers surrounding the inner lattices, which combines the advantages of the high strength of the continuous layer and the light weight of the lattice layer. They are widely employed in weight-critical energy-absorbing engineering fields such as aerospace, automobile, and robotics. However, the application of sandwich structures made of polymer matrix composites is still limited due to lack of essential performance investigation and adequate reference data. The following innovative works are accomplished in this paper: (i) Continuous long glass fiber (CGF) is employed within the continuous layer of the sandwich structure, with composite short carbon fiber/polyamide (SCF/N) applied within the lattice layer. (ii) Sandwich structures with different cell types and orientations of the lattice infills are designed and prepared by additive manufacturing. (iii) The basic mechanical properties of the sandwich structures, i.e., the bi-directional tension/compression compound performance, failure modes and mechanisms in characteristic directions, are analyzed systematically. (iv) The effects of geometric features on the three-point bending properties of L-shaped sandwich structures are investigated and compared with those of pure SCF/N structures. The results show that the bending resistance per unit weight was up to 54.3% larger than that of pure SCF/N, while the weight could be decreased by 49%, and the bending flexibility before fracture could be increased by 44%. These studies contribute fundamental research data to the application of sandwich structures prepared by fiber reinforced polymer matrix composites.

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Section: Introductionmentioning

confidence: 99%

Mechanical Performance and Failure Analysis of a 3D-Printed “Continuous Layer–Lattice Layer–Continuous Layer” Sandwich Structure

Nie,

Kong,

Zhang

et al. 2023

Polymers

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Analyzing the buckling of FGCNT-reinforced sandwich microshells in heart pacemakers: The impact of thickness stretching on third-order shear deformation

Mohammed,

Biglari,

Vakili-Tahami

2023

AIP Advances

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This study focuses on the buckling behavior of composite microshells inside pacemakers to select the most durable material. Due to the strong electromagnetic forces encountered by pacemaker microshells, comprehensive research is needed to identify suitable materials. This study analyzes the buckling behavior of a porous sandwich cylindrical microshell attached to electrodes, which is supported by an elastic foundation and reinforced with functionally graded carbon nanotubes. Three porosity models are considered for the core material, and the equilibrium equations are derived using Hamilton’s principle based on third order shear deformation theory. This study compares the critical buckling loads with those from the literature and examines the effects of various parameters, such as thickness stretching and non-stretching. The findings indicate that the thickness stretching effect has a significant influence on the critical buckling load. In addition, a lower functionally graded power index and higher porosity volume fraction result in higher critical buckling loads. These results are relevant for micro-electromechanical systems and can aid in the selection of appropriate materials for pacemaker microshells to improve their durability and performance.

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Synthesis and characterization of honeycomb sandwiched composite material for automobile applications

Cited by 2 publications

References 7 publications

Mechanical Performance and Failure Analysis of a 3D-Printed “Continuous Layer–Lattice Layer–Continuous Layer” Sandwich Structure

Mechanical Performance and Failure Analysis of a 3D-Printed “Continuous Layer–Lattice Layer–Continuous Layer” Sandwich Structure

Analyzing the buckling of FGCNT-reinforced sandwich microshells in heart pacemakers: The impact of thickness stretching on third-order shear deformation

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