Page 12 - 3DMP Summer 2022

3D AM Insights
Linear Hatch – Standard EOS M280/M290 Parameters
Stirring – SS-4
Stirring – SS-15
Fig. 3
Stirring – SS-2
Stirring – SS-8
Stirring – SS-24
Linear Hatch – Standard EOS M280 /M290 Parameters
Stirring – Ni-5
Stirring – Ni-8
Fig. 4
Stirring – Ni-3
Stirring – Ni-6
Stirring – Ni-9
Linear Hatch – Standard EOS M280 /M290 Parameters
Stirring – Ti-3
Stirring – Ti-7
Fig. 5
Stirring – Ti-2
Stirring – Ti-6
Stirring – Ti-9
can be tuned so that the stirred path mimics a larger-spot- size laser and the material sees slower cooling rates, result- ing in grain coarsening.
EWI has developed more than 50 alloy systems for LPBF and can assist with rapid alloy development by leveraging state-of-
the-art in-situ monitoring, machine learning and design-of- experiments techniques. We actively are looking for collabora- tions to explore using this laser-stirring technique to develop new materials and applications for LPBF. To discuss, please contact the author: asadek@ewi.org. 3DMP
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