Microstructure and mechanical properties of Selective Laser Melted 18Ni-300 steel

被引：427
|
作者：
Kempen, K. [1 ]
Yasa, E. [1 ]
Thijs, L. [2 ]
Kruth, J. -P. [1 ]
Van Humbeeck, J. [2 ]
机构：
[1] Katholieke Univ Leuven, Dept Mech Engn, Louvain, Belgium
[2] Katholieke Univ Leuven, Dept Met & Mat Engn, Louvain, Belgium
来源：
LASERS IN MANUFACTURING 2011: PROCEEDINGS OF THE SIXTH INTERNATIONAL WLT CONFERENCE ON LASERS IN MANUFACTURING, VOL 12, PT A | 2011年 / 12卷
关键词：
Selective Laser Melting; Maraging steel 300; Additive Manufacturing; Microstructure;
D O I：
10.1016/j.phpro.2011.03.033
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
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.
引用
收藏
页码：255 / 263
页数：9
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