What is it about?
Our high-fidelity thermal-fluid model, using DEM and FVM, accurately predicts the impact of powder particles on laser power and energy distribution. Key findings include: * Significant effects of powder-induced attenuation on laser intensity. * Importance of considering laser energy attenuation to avoid overestimations. * Insights into how different laser beam shapes affect melt pool behaviour.
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Why is it important?
Our work offers a robust approach to optimizing laser-based additive manufacturing.
Read the Original
This page is a summary of: The effect of the laser beam intensity profile in laser-based directed energy deposition: a high-fidelity thermal-fluid modeling approach, Additive Manufacturing, May 2024, Elsevier,
DOI: 10.1016/j.addma.2024.104227.
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