Journal ArticleDOI
Mechanical property of lattice truss material in sandwich panel including strut flexural deformation
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TLDR
In this article, the bending resistance of struts is considered for lattice truss sandwich panels, and the stiffness of the lattice material should be improved while the strength reduced, which has been proved to be more consistent with experimental results.About:
This article is published in Composite Structures.The article was published on 2012-12-01. It has received 38 citations till now. The article focuses on the topics: Truss & Sandwich panel.read more
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Investigation on manufacturing and mechanical behavior of all-composite sandwich structure with Y-shaped cores
TL;DR: In this article, an all-composite sandwich structure with Y-shaped cores was designed and fabricated by hot-press molding method in order to reveal effects of relative density on mechanical behavior, the out-of-plane compressive tests were carried out on composite sandwich structures with different relative densities, varying from 5.34% to 10.53%.
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Fabrication and mechanical behaviors of corrugated lattice truss composite sandwich panels
TL;DR: In this article, a carbon fiber reinforced composite (CFRC) lattice truss sandwich panel (LTSP) was designed and fabricated to get a strong, stiff and weight-efficient structure.
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Additive Manufacturing of Metal Cellular Structures: Design and Fabrication
TL;DR: In this article, the design issue for lightweight cellular structures that could be efficiently realized via additive manufacturing processes was explored, and it was suggested that this approach could potentially lead to computationally efficient design optimizations with the lightweight structures in future applications.
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Free vibration analysis and optimization of composite lattice truss core sandwich beams with interval parameters
Menghui Xu,Zhiping Qiu +1 more
TL;DR: In this article, the natural frequencies of composite sandwich beams with lattice truss core were investigated by combining the Bernoulli-Euler beam theory and Timoshenko beam theory, and the governing partial differential equations of motion were derived using Hamilton's principle.
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Mechanical properties and failure mechanisms of sandwich panels with ultra-lightweight three-dimensional hierarchical lattice cores
TL;DR: In this paper, the structural properties and failure mechanisms of sandwich panels with hierarchical lattice cores were investigated through analytical modeling and detailed numerical simulations, and the role of structural hierarchy in tuning the mechanical behavior of sandwich structures was discussed.
References
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Journal ArticleDOI
Foam topology bending versus stretching dominated architectures
TL;DR: In this paper, the authors investigated the topological criteria that dictate the deformation mechanism of a cellular solid by analysing the rigidity (or otherwise) of pin-jointed frameworks comprising inextensional struts.
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Collapse of truss core sandwich beams in 3-point bending
Vikram Deshpande,Norman A. Fleck +1 more
TL;DR: In this paper, the macroscopic effective stiffness and strength of triangulated face-sheets and tetrahedral core are estimated by idealizing them as pin-jointed assemblies; tests show that this approximation is adequate.
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Pyramidal lattice truss structures with hollow trusses
TL;DR: In this article, a periodic diamond hole pattern sheet consisting of 304L stainless steel hollow tubes was made by an alternating collinear lay-up process followed by vacuum brazing.
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The compressive response of carbon fiber composite pyramidal truss sandwich cores
TL;DR: In this paper, a robust face-sheet/truss joint design was developed to suppress truss-face sheet node fracture by either Euler buckling or delamination failure of the struts.
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Mechanical properties of an extruded pyramidal lattice truss sandwich structure
TL;DR: In this paper, a combination of extrusion and electrodischarge machining was used to fabricate pyramidal lattice sandwich structures from 6061 aluminum, where the nodes have identical properties to those of the trusses/facesheets.