Finite element simulation of the temperature and stress fields in single layers built without-support in selective laser melting

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Differences in microstructure and properties between selective laser melting and traditional manufacturing for fabrication of metal parts: A review (2015, background): “Residual stress is the external reason, while micro-defects in the SLM parts are the internal reasons [34].”
Parametric analysis of thermal behavior during selective laser melting additive manufacturing of aluminum alloy powder (2014, background): “The spatial and temporal distribution of the temperature field satisfies the differential equation of 3D heat conduction in a domain D, which can be expressed as [21,22]:”
Measurement Science Needs for Real-time Control of Additive Manufacturing Powder Bed Fusion Processes (2015, background): “It was shown in [138] that the width and depth decreased slightly with scan speed (from 100 mm/s to 300 mm/s), while the length of the melt-pool in the scan direction increased, contributing more to the overall melt-pool size.”
Advanced lightweight 316L stainless steel cellular lattice structures fabricated via selective laser melting (2014, background): “which can directly make complex three-dimensional metal parts according to a CAD data by selectively melting successive layers of metal powders [5, 6].”