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The effect of heat treatment on mechanical properties and microstructure of additively manufactured components

 
: Hrbáčková, T.; Simson, T.; Koch, J.; Wolf, G.

:
Volltext ()

Institute of Physics -IOP-, London:
5th International Conference Recent Trends in Structural Materials 2018 : 14-16 November 2018, Pilsen, Czech Republic
Bristol: IOP Publishing, 2018 (IOP conference series. Materials science and engineering 461)
ISSN: 1757-8981
Art. 012026, 7 S.
International Conference Recent Trends in Structural Materials <5, 2018, Pilsen>
Englisch
Konferenzbeitrag, Elektronische Publikation
Fraunhofer UMSICHT Sulzbach-Rosenberg ()

Abstract
Components from maraging steel MS1 (1.2709) and aluminium alloy AlSi10Mg were fabricated by additive manufacturing (AM). As-built and heat-treated components were analysed in terms of mechanical properties and microstructure. The heat treatment of the material MS1 was performed by a solution annealing at 850°C for 1 hour, ageing temperature at 480°C for 3 hours and air cooling. The heat treatment of the AlSi10Mg was performed by stress relieve at 300°C for 2 hours. Ostbayerische Technische Hochschule Amberg-Weiden carried out tensile tests of as-built and heat-treated samples. Samples were afterwards analysed in COMTES FHT a.s. for further tests of porosity and microstructure using optical and scanning electron microscopy. The aim of the present work is to show the change of mechanical properties and the microstructure with a heat treatment after AM.

: http://publica.fraunhofer.de/dokumente/N-581441.html