Title: Microstructure and mechanical properties of Selective Laser Melted 18Ni-300 steel
Authors: Kempen, Karolien
Yasa, Evren
Thijs, Lore
Kruth, Jean-Pierre
Van Humbeeck, Jan
Issue Date: 15-Apr-2011
Publisher: Elsevier BV
Host Document: Physics Procedia vol:12 issue:1 pages:255-263
Conference: 6th International WLT Conference on Lasers in Manufacturing (LiM) location:Munich, GERMANY date:MAY 23-26, 2011
Abstract: Selective Laser Melting (SLM) is an Additive Manufacturing process in which a part is built in a layer by layer manner. A laser source selectively scans the powder bed according to the CAD data of the part to be produced. The high intensity laser beam makes it possible to completely melt the metal powder particles to obtain almost fully dense parts. In this work, the influence of process parameters in SLM (e.g. scan speed and layer thickness) and various age hardening treatments on the microstructure and mechanical properties of 18Ni-300 steel is investigated. It is shown that almost fully dense parts with mechanical properties comparable to those of conventionally produced maraging steel 300 can be produced by SLM.
ISSN: 1875-3892
Publication status: published
KU Leuven publication type: IC
Appears in Collections:Production Engineering, Machine Design and Automation (PMA) Section
Physical Metallurgy and Materials Engineering Section (-)
Department of Materials Engineering - miscellaneous

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