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- W4287958109 startingPage "101024" @default.
- W4287958109 abstract "One of the main challenges in the laser powder bed fusion (LPBF) process is making dense and defect-free components. These porosity defects are dependent upon the melt pool geometry and the processing conditions. Power-velocity (PV) processing maps can aid in visualizing the effects of LPBF processing variables and mapping different defect regimes such as lack-of-fusion, under-melting, balling, and keyholing. This work presents an assessment of existing analytical equations and models that provide an estimate of the melt pool geometry as a function of material properties. The melt pool equations are then combined with defect criteria to provide a quick approximation of the PV processing maps for a variety of materials. Finally, the predictions of these processing maps are compared with experimental data from the literature. The predictive processing maps can be computed quickly and can be coupled with dimensionless numbers and high-throughput (HT) experiments for validation. The present work provides a boundary framework for designing the optimal processing parameters for new metals and alloys based on existing analytical solutions." @default.
- W4287958109 created "2022-07-26" @default.
- W4287958109 creator A5012604263 @default.
- W4287958109 creator A5051088586 @default.
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- W4287958109 date "2022-12-01" @default.
- W4287958109 modified "2023-10-14" @default.
- W4287958109 title "Predictive process mapping for laser powder bed fusion: A review of existing analytical solutions" @default.
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- W4287958109 doi "https://doi.org/10.1016/j.cossms.2022.101024" @default.
- W4287958109 hasPublicationYear "2022" @default.
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