Additively manufactured AlSi10Mg lattices – Potential and limits of modelling as-designed structures

Research output: Contribution to journalResearch articleContributedpeer-review



Additive manufacturing overcomes the restrictions of classical manufacturing methods and enables the production of near-net-shaped, complex geometries. In that context, lattice structures are of high interest due to their superior weight reduction potential. AlSi10Mg is a well-known alloy for additive manufacturing and well suited for such applications due to its high strength to material density ratio. It has been selected in this study for producing bulk material and complex geometries of a strut-based lattice type (rhombic dodecahedron). A detailed characterisation of as-built and heat-treated specimens has been conducted including microstructural analyses, identification of imperfections and rigorous mechanical testing under different load conditions. An isotropic elastic–plastic material model is deduced on the basis of tension test results of bulk material test specimens. Performed experiments under compression, shear, torsion and tension load are compared to their virtual equivalents. With the help of numerical modelling, the overall structural behaviour was simulated using the detailed lattice geometry and was successfully predicted by the presented numerical models. The discussion of the limits of this approach aims to evaluate the potential of the numerical assessment in the modelling of the properties for novel lightweight structures.


Original languageEnglish
Article number110796
Number of pages15
JournalMaterials and Design
Early online date9 Jun 2022
Publication statusPublished - Aug 2022

External IDs

WOS 000826404700005
ORCID /0000-0003-3358-1545/work/142237166
ORCID /0000-0002-0584-0565/work/161114230



  • Additive manufacturing, Al-based alloy, Elastic–plastic material model, Experimental characterisation, Lattice structures, Material characterisation, Elastic-plastic material model