Study and modeling of melt pool evolution in selective laser melting process of SS316L

Study and modeling of melt pool evolution in selective laser melting process of SS316L

In this paper, the melting of stainless steel 316L using Computational Fluid Dynamics to observe the melt pool characteristics is studied. The simulation model allows the observation of the molten pool flow during the selective laser melting process due to Marangoni’s effect and recoil pressure. Fur...

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Bibliographic Details
Main Authors: Tan, J. L., Tang, C., Wong, C. H.
Other Authors: School of Mechanical and Aerospace Engineering
Format: Article
Language:English
Published: 2019
Subjects:
Selective Laser Melting
Additive Manufacturing
DRNTU::Engineering::Mechanical engineering
Online Access:https://hdl.handle.net/10356/102480
http://hdl.handle.net/10220/47395
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Institution: Nanyang Technological University
Language: English
Description
Summary:In this paper, the melting of stainless steel 316L using Computational Fluid Dynamics to observe the melt pool characteristics is studied. The simulation model allows the observation of the molten pool flow during the selective laser melting process due to Marangoni’s effect and recoil pressure. Furthermore, different parameters are tested to show their effects on the melt pool and track formation. Different laser powers, as well as scanning speeds, were used to study the effects they have on the melt pool characteristics. The results were used to determine the relationships between these factors and the melt pool characteristics.

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