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The effect of heat treatment of AlSi10Mg on the energy absorption performance of surface-based structures

Robinson, Michael, Han, Quanquan, Gu, Heng, Soe, Shwe and Setchi, Rossitza ORCID: 2020. The effect of heat treatment of AlSi10Mg on the energy absorption performance of surface-based structures. Presented at: 7th International Conference on Sustainable Design and Manufacturing KES-SDM 2020, Virtual, 9-11 Sept 2020. Published in: Scholtz, Steffen G., Howlett, Robert J. and Setchi, Rossi eds. Sustainable Design and Manufacturing 2020. , vol.200 Springer, pp. 395-402. 10.1007/978-981-15-8131-1_35

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Additive Manufacturing of cellular lattice structures offers opportunities to fine-tune the mechanical response by altering geometric variables. It is known that heat treatment cycles provide an effective way of altering mechanical properties while relieving residual stress. By exploiting the combined influence of these two variables, this study demonstrates the possibility of optimising energy absorption in AlSi10Mg honeycomb lattice structures, manufactured using selective laser melting. This finding indicates that heat treatment and powder quality have a significant influence on the mechanical response of the honeycomb. Additionally, this highlights the opportunity to establish an energy absorption diagram, via mapping the relative performance of variable lattice geometries and heat treatment cycles. At the same time, the consistency of powder quality can be tightly controlled.

Item Type: Conference or Workshop Item (Paper)
Date Type: Published Online
Status: Published
Schools: Engineering
Publisher: Springer
ISBN: 9789811581304
Last Modified: 06 Jul 2023 10:11

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