Conference contribution


Processability of high strength Aluminium-Copper alloys AW-2022 and 2024 by Laser Beam Melting in Powder Bed


Publication Details
Author(s): Karg M, Ahuja B, Kuryntsev S, Gorunov A, Schmidt M
Editor(s): Dave Bourrell
Publication year: 2014
Conference Proceedings Title: Proceedings of the 25th Annual International Solid Freeform Symposium
Pages range: 420-436

Event details
Event: 25th Solid Freeform Fabrication Symposium
Event location: AT&T Executive Conference Center Austin Texas
Start date of the event: 04/08/2014
End date of the event: 06/08/2014
Language: English

Abstract

Additive Manufacturing offers geometric freedom excellently suited for topology optimized light weight designs. Ideally these should be produced from materials of high strength to weight ratio such as aluminium-copper alloys. Yet these are considered unsuitable for welding. With Laser Beam Melting of Metals in powder bed (LBM), the only class of aluminium alloys widely processed is that of aluminium-silicon alloys, which are easily weldable and castable, too. In this contribution we present results of LBM high-strength aluminium-copper alloys AW-2022 and AW-2024 under variation of laser power, scan speed and hatch distance. We achieved relative densities well above 99 %. We analyzed thin walls, compared process windows as well as microstructures observed using etched metallographic microsections. We analyzed the chemical constitution of powders and produced samples using ICP-OES



Focus Area of Individual Faculties


How to cite
APA: Karg, M., Ahuja, B., Kuryntsev, S., Gorunov, A., & Schmidt, M. (2014). Processability of high strength Aluminium-Copper alloys AW-2022 and 2024 by Laser Beam Melting in Powder Bed. In Dave Bourrell (Eds.), Proceedings of the 25th Annual International Solid Freeform Symposium (pp. 420-436). AT&T Executive Conference Center Austin Texas, US.

MLA: Karg, Michael, et al. "Processability of high strength Aluminium-Copper alloys AW-2022 and 2024 by Laser Beam Melting in Powder Bed." Proceedings of the 25th Solid Freeform Fabrication Symposium, AT&T Executive Conference Center Austin Texas Ed. Dave Bourrell, 2014. 420-436.

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