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Technologies 2017, 5(1), 8; doi:10.3390/technologies5010008

Additive Manufacturing: Reproducibility of Metallic Parts

1
Erich Schmid Institute of Materials Science, Austrian Academy of Sciences, Jahnstraße 12, A-8700 Leoben, Austria
2
IFW Dresden, Institute for Complex Materials, Postfach 270116, D-01171 Dresden, Germany
3
Department Materials Physics, Montanuniversität Leoben, Jahnstraße 12, A-8700 Leoben, Austria
*
Author to whom correspondence should be addressed.
Academic Editors: Salvatore Brischetto, Paolo Maggiore, Carlo Giovanni Ferro and Manoj Gupta
Received: 20 December 2016 / Revised: 14 February 2017 / Accepted: 18 February 2017 / Published: 22 February 2017
(This article belongs to the Special Issue Additive Manufacturing Technologies and Applications)
View Full-Text   |   Download PDF [1051 KB, uploaded 22 February 2017]   |  

Abstract

The present study deals with the properties of five different metals/alloys (Al-12Si, Cu-10Sn and 316L—face centered cubic structure, CoCrMo and commercially pure Ti (CP-Ti)—hexagonal closed packed structure) fabricated by selective laser melting. The room temperature tensile properties of Al-12Si samples show good consistency in results within the experimental errors. Similar reproducible results were observed for sliding wear and corrosion experiments. The other metal/alloy systems also show repeatable tensile properties, with the tensile curves overlapping until the yield point. The curves may then follow the same path or show a marginal deviation (~10 MPa) until they reach the ultimate tensile strength and a negligible difference in ductility levels (of ~0.3%) is observed between the samples. The results show that selective laser melting is a reliable fabrication method to produce metallic materials with consistent and reproducible properties. View Full-Text
Keywords: selective laser melting; laser processing; metals and alloys; mechanical properties; tensile properties selective laser melting; laser processing; metals and alloys; mechanical properties; tensile properties
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MDPI and ACS Style

Prashanth, K.G.; Scudino, S.; Chatterjee, R.P.; Salman, O.O.; Eckert, J. Additive Manufacturing: Reproducibility of Metallic Parts. Technologies 2017, 5, 8.

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