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Characterization of the Cyclic Material Behavior of AlSi10Mg and Inconel® 718 produced by SLM

 
: Scurria, Matilde; Möller, Benjamin; Wagener, Rainer; Bein, Thilo

:

Correia, José A.F.O.:
Mechanical Fatigue of Metals : Experimental and Simulation Perspectives
Cham: Springer International Publishing, 2019
ISBN: 978-3-030-13980-3
ISBN: 978-3-030-13979-7
pp.115-121
International Colloquium on Mechanical Fatigue of Metals (ICMFM) <19, 2018, Porto>
English
Conference Paper
Fraunhofer LBF ()
SLM; AlSi10Mg; Inconel; cyclic material behavior; IST; Additive manufacturing

Abstract
The flexibility in design offered by advanced additive manufacturing technologies makes this process more and more attractive for the automotive as well as aircraft industry, especially for the realization of metal components. Nevertheless, while on the one hand additive manufacturing paved the way from new design solutions which were not possible before, on the other hand it represents a new process still not being standardized and, therefore, exploitable. In this work, the cyclic material behavior of two different metals used for additive manufacturing technologies is evaluated. Small-scale specimens produced by Selective Laser Melting (SLM) of Aluminum AlSi10Mg and Inconel®718 powder are subjected to Incremental StepTests (IST) in order to evaluate the cyclic stress-strain behavior of the material. The effects of removed support structures, four building orientations, surface conditions and an additional heat treatment on the cyclic stress-strain behavior of the material are evaluated.

: http://publica.fraunhofer.de/documents/N-521475.html