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9 March 2021 Understanding metal 3D printing processing through modeling and experimentation
Manyalibo J. Matthews
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Proceedings Volume 11677, Laser 3D Manufacturing VIII; 1167706 (2021) https://doi.org/10.1117/12.2579276
Event: SPIE LASE, 2021, Online Only
Abstract
In this talk I will review recent developments in understanding and controlling light-matter interaction and material response associated with laser powder bed fusion additive manufacturing. As part of the critical assessment of the physics of the process, validated hydrodynamic finite element model simulations have proven to be extremely valuable and can be used to inform rapid solidification microstructural models. I will also discuss new approaches to process optimization that have emerged from our modeling efforts which can improve material properties and part performance. Prepared by LLNL under Contract DE-AC52-07NA27344.
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Manyalibo J. Matthews "Understanding metal 3D printing processing through modeling and experimentation", Proc. SPIE 11677, Laser 3D Manufacturing VIII, 1167706 (9 March 2021); https://doi.org/10.1117/12.2579276
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KEYWORDS
3D modeling
3D printing
Metals
Finite element methods
Laser welding
Light-matter interactions
Optimization (mathematics)
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