Process Maps for Predicting Residual Stress and Melt Pool Size in the Laser-Based Fabrication of Thin-Walled Structures

By A. Vasinonta, Jack L. Beuth, M. Griffith. 2007

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Measurement Science Needs for Real-time Control of Additive Manufacturing Powder Bed Fusion Processes (2015, methodology): “The thin-wall geometry modeled in [26], [27] (not PBF) showed that melt-pool length decreased with increasing scan speed, though at much lower speeds”
An improved prediction of residual stresses and distortion in additive manufacturing (2017, background): “These include several two-dimensional models [20,21], or an”
Hybrid additive and subtractive machine tools – Research and industrial developments (2016, background): “4 begun relating residual stress to thermal gradients, subsequently reducing induced stresses via changes in processing parameters, such as laser power, scanning velocity and preheating of the part [24], [25].”
Additive manufacturing of metallic components – Process, structure and properties (2018, background): “For example, idealized two-dimensional calculations have been undertaken [87,88], and in some instances, heat sources have been simplified as a line source or double ellipsoid heat source [89] that are contrary to the measured power density distribution data for heat sources.”