Datum
2021-04-06Autor
Moeini, GhazalSajadifar, Seyed VahidWegener, ThomasRössler, ChristianGerber, A.Böhm, StefanNiendorf, ThomasMetadata
Zur Langanzeige
Aufsatz
On the influence of build orientation on properties of friction stir welded AleSi10Mg parts produced by selective laser melting
Zusammenfassung
Welding and joining of components processed by additive manufacturing (AM) to other AM as well as conventionally produced components is of high importance for industry as this allows to combine advantages of either technique and to produce large-scale structures, respectively. One of the key influencing factors with respect to weldability and mechanical properties of AM components was found to be the inherent microstructural anisotropy of these components. In present work, the precipitation-hardenable Al–Si10Mg was fabricated in different build orientations using selective laser melting (SLM) and subsequently joined by friction stir welding (FSW) in different combinations. Microstructural analysis showed considerable grain refinement in the friction stir zone, however, pronounced softening occurred in this area. The latter can be mainly attributed to changes in the morphology and size of Si particles. Upon combination of different build orientations a remarkable influence on the tensile strength of FSW joints was seen. Cyclic deformation responses of SLM and FSW samples were examined in depth. Fatigue properties of this alloy in the low-cycle fatigue (LCF) regime imply that SLM samples with the building direction parallel to the loading direction show superior performance under cyclic loading as compared to the other conditions and the FSW joints. From results presented solid process-microstructure-property relationships are drawn.
Zitierform
In: Journal of Materials Research and Technology : jmr&t Volume 12 (2021-04-06) eissn:2214-0697Zitieren
@article{doi:10.17170/kobra-202304207862,
author={Moeini, Ghazal and Sajadifar, Seyed Vahid and Wegener, Thomas and Rössler, Christian and Gerber, A. and Böhm, Stefan and Niendorf, Thomas},
title={On the influence of build orientation on properties of friction stir welded AleSi10Mg parts produced by selective laser melting},
journal={Journal of Materials Research and Technology : jmr&t},
year={2021}
}
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2023-04-21T06:26:41Z 2023-04-21T06:26:41Z 2021-04-06 doi:10.17170/kobra-202304207862 http://hdl.handle.net/123456789/14613 eng Attribution-NonCommercial-NoDerivatives 4.0 International http://creativecommons.org/licenses/by-nc-nd/4.0/ Additive manufacturing Build orientation Friction stir welding Microstructure Fatigue 600 On the influence of build orientation on properties of friction stir welded AleSi10Mg parts produced by selective laser melting Aufsatz Welding and joining of components processed by additive manufacturing (AM) to other AM as well as conventionally produced components is of high importance for industry as this allows to combine advantages of either technique and to produce large-scale structures, respectively. One of the key influencing factors with respect to weldability and mechanical properties of AM components was found to be the inherent microstructural anisotropy of these components. In present work, the precipitation-hardenable Al–Si10Mg was fabricated in different build orientations using selective laser melting (SLM) and subsequently joined by friction stir welding (FSW) in different combinations. Microstructural analysis showed considerable grain refinement in the friction stir zone, however, pronounced softening occurred in this area. The latter can be mainly attributed to changes in the morphology and size of Si particles. Upon combination of different build orientations a remarkable influence on the tensile strength of FSW joints was seen. Cyclic deformation responses of SLM and FSW samples were examined in depth. Fatigue properties of this alloy in the low-cycle fatigue (LCF) regime imply that SLM samples with the building direction parallel to the loading direction show superior performance under cyclic loading as compared to the other conditions and the FSW joints. From results presented solid process-microstructure-property relationships are drawn. open access Moeini, Ghazal Sajadifar, Seyed Vahid Wegener, Thomas Rössler, Christian Gerber, A. Böhm, Stefan Niendorf, Thomas 1446-1460 doi:10.1016/j.jmrt.2021.03.101 Materialermüdung Rapid Prototyping <Fertigung> Rührreibschweißen publishedVersion eissn:2214-0697 Journal of Materials Research and Technology : jmr&t Volume 12 false
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