Strength and Cyclic Properties of Additive vs. Conventionally Produced Material AlSi10Mg

Vladimír Chmelko; Miroslav Šulko; Jaroslava Škriniarová; Matúš Margetin; Marek Gašparík; Tomáš Koščo; Marián Semeš

doi:10.3390/ma16072598

Strength and Cyclic Properties of Additive vs. Conventionally Produced Material AlSi₁₀Mg

Materials (Basel). 2023 Mar 24;16(7):2598. doi: 10.3390/ma16072598.

Authors

Vladimír Chmelko¹, Miroslav Šulko¹, Jaroslava Škriniarová², Matúš Margetin¹, Marek Gašparík¹, Tomáš Koščo¹, Marián Semeš¹

Affiliations

¹ Institute of Applied Mechanics and Mechatronics, Slovak University of Technology in Bratislava, Námestie Slobody 17, 81231 Bratislava, Slovakia.
² Institute of Informatics, Slovak Academy of Sciences, Dúbravská Cesta 9, 84507 Bratislava, Slovakia.

Abstract

Additive metals are practically identical in strength to the properties of conventionally produced materials. This article experimentally analyses strength properties and fatigue properties in the tensile-pressure mode for two different directions of 3D printing of AlSi₁₀Mg material. The resulting fatigue parameters of the Basquin curve are confronted with a conventionally produced alloy of the same composition. The microstructure analysis explains the different fatigue properties obtained by these two material production technologies. Phenomena such as strength enhancement in additive manufacturing material, anisotropy of cyclic properties, and cyclic hardening are discussed. The limits of current additive manufacturing are clarified, and the future direction of research in this field is outlined.

Keywords: additive manufacturing; aluminium alloy AlSi10Mg; conventional casting; cyclic properties.

Grants and funding

This work was funded by the Research & Development Operational Programme funded by the ERDF ITMS: 26240220084 Science city Bratislava, by the Technology Agency of the Czech Republic in program Trend under contract No. FW01010462 and VEGA No. 2/0099/2022.