Journal ArticleDOI
Numerical investigation on mechanical properties of cellular lattice structures fabricated by fused deposition modeling
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In this article, the authors used finite element modeling to predict the effect of variation in the struts diameter on the elastic modulus as well as collapse stress of cellular lattice structures.About:
This article is published in International Journal of Mechanical Sciences.The article was published on 2014-11-01. It has received 204 citations till now. The article focuses on the topics: Elastic modulus & Finite element method.read more
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SLM lattice structures: Properties, performance, applications and challenges
Tobias Maconachie,Tobias Maconachie,Martin Leary,Martin Leary,Bill Lozanovski,Xuezhe Zhang,Ma Qian,Omar Faruque,Omar Faruque,Milan Brandt +9 more
TL;DR: A comprehensive summary of the experimental data reported on the mechanical response of Selective Laser Melting (SLM) lattice structures can be found in this paper, where the design, fabrication and performance of SLM lattice structure are reviewed and the quality of data reported to inform best-practice for future studies.
Journal ArticleDOI
Mechanical properties and energy absorption capability of functionally graded F2BCC lattice fabricated by SLM
Dheyaa S.J. Al-Saedi,Dheyaa S.J. Al-Saedi,Syed H. Masood,M. Faizan-Ur-Rab,Amer Alomarah,P. Ponnusamy +5 more
TL;DR: In this paper, experimental compression tests and finite element analysis were conducted to investigate and compare the mechanical properties and energy absorption capability of functionally graded and uniform F2BCC lattice structures made of Al-12Si aluminium alloy and manufactured by SLM process.
Journal ArticleDOI
Failure mechanisms of additively manufactured porous biomaterials: Effects of porosity and type of unit cell
Javad Kadkhodapour,Javad Kadkhodapour,H. Montazerian,A. Ch. Darabi,Ali Pourkamali Anaraki,S.M. Ahmadi,Amir A. Zadpoor,Siegfried Schmauder +7 more
TL;DR: The computational models incorporating the Johnson-Cook damage model could predict the plateau stress and maximum stress at the first peak with less than 18% error and the computationally predicted deformation modes were in good agreement with the results of scaling law analysis.
Journal ArticleDOI
A state-of-the-art review on types, design, optimization, and additive manufacturing of cellular structures
TL;DR: The conducted review has identified the significant limitations and gaps in the existing literature and has highlighted the areas that need further research in the design, optimization, characteristics, and applications, and the AM of the cellular structures.
Journal ArticleDOI
Architected cellular materials: A review on their mechanical properties towards fatigue-tolerant design and fabrication
Matteo Benedetti,A. du Plessis,A. du Plessis,Robert O. Ritchie,M. Dallago,Seyed Mohammad Javad Razavi,Filippo Berto +6 more
TL;DR: In this article, the authors discuss the progress to date in the improvement of the fatigue performance of cellular structures manufactured by additive manufacturing, especially metal-based, providing insights and a glimpse to the future for fatigue-tolerant additively manufactured architected cellular materials.
References
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Journal ArticleDOI
The mechanics of three-dimensional cellular materials
Lorna J. Gibson,Michael F. Ashby +1 more
TL;DR: In this paper, the mechanical properties of two-dimensional cellular materials, or honeycombs, are analyzed and compared with experiments, in terms of bending, elastic buckling and plastic collapse of the beams that make up the cell walls.
Journal ArticleDOI
A counter-example to Kelvin's conjecture on minimal surfaces
Denis Weaire,R. Phelan +1 more
TL;DR: The β-tungsten structure as mentioned in this paper has a surface area that is approximately 0.3% less than that of Kelvin's structure, which is a counter-example of a structure analogous to that of some clathrate compounds.
A Counter-Example to Kelvin's Conjecture on Minimal Surfaces
Denis Weaire,R. Phelan +1 more
TL;DR: The β-tungsten structure as discussed by the authors has a surface area that is approximately 0.3% less than that of Kelvin's structure, which is a counter-example of a structure analogous to that of some clathrate compounds.
Journal ArticleDOI
Effect of imperfections on the yielding of two-dimensional foams
TL;DR: In this article, the authors studied the influence of six morphological imperfections on the yielding of 2D cellular solids for biaxial loading and quantified the knock-down effect of these defects on the hydrostatic yield strength.
Journal ArticleDOI
Elastic properties of model random three-dimensional open-cell solids
TL;DR: In this paper, the density and microstructure dependence of the Young's modulus (E) and Poisson's ratio (nu) for four different isotropic random models were computed.