2024
DOI: 10.3390/met14020173
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Impact of Boundary Parameters Accuracy on Modeling of Directed Energy Deposition Thermal Field

Calogero Gallo,
Laurent Duchêne,
Thinh Quy Duc Pham
et al.

Abstract: Within the large Additive Manufacturing (AM) process family, Directed Energy Deposition (DED) can be used to create low-cost prototypes and coatings, or to repair cracks. In the case of M4 HSS (High Speed Steel), a reliable computed temperature field during DED process allows the optimization of the substrate preheating temperature value and other process parameters. Such optimization is required to avoid failure during the process, as well as high residual stresses. If 3D DED simulations provide accurate ther… Show more

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