Numerical modeling of the compressive behavior of 316L body-centered cubic lattice structures

Numerical modeling of the compressive behavior of 316L body-centered cubic lattice structures


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Abstract. With additive manufacturing, innovative porous structures emerge for generating lightweight components with high mechanical responses. Body-centered cubic lattice structures are the focus of this study, with customizable lattice density depending on the strut diameter. To predict the properties of lattice structures and thus reduce the number of tests in experimental campaigns, several numerical and analytical models have been developed. In this work, the elastoplastic response was determined. Buckling phenomena of vertical struts depend on the different boundary conditions applied in Finite Element simulations. As shown the number of cells within the model affects the results. This size effect was quantified for different lattice density cases. The numerical results obtained for lattice structures with different relative density were also compared with the well-known Gibson-Ashby model.

Lattice Structure, Additive Manufacturing, Relative Density

Published online 4/24/2024, 10 pages
Copyright © 2024 by the author(s)
Published under license by Materials Research Forum LLC., Millersville PA, USA

Citation: RÍOS Ignacio, MARTÍNEZ Alex, SAGGIONETTO Enrico, MERTENS Anne, DUCHÊNE Laurent, HABRAKEN Anne Marie, TUNINETTI Víctor, Numerical modeling of the compressive behavior of 316L body-centered cubic lattice structures, Materials Research Proceedings, Vol. 41, pp 224-233, 2024


The article was published as article 25 of the book Material Forming

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