Classification of the of the modelling studies on the SLM AM process.
|Reference number||KPI||Process parameter (Variable)|
|||Surface roughness||Surface sloping angle|
|||Porosity, roughness||Scanning speed, powder layer thickness, laser power|
|||Residual Stresses||Exposure strategy of the laser beam|
|||Residual stresses, distortions|
|||Melt pool width||Scanning speed|
|||Stress field, thermal history,||Laser scanning speed|
|||Rate of temperature change, melt penetration/width, percentage of evaporated powder, build rate, volume shrinkage||Distance from melt pool, laser power, scan speed|
|||Track formation shape||Laser power, scan speed|
|||Melting, wetting, solidification||Powder-layer thickness, moving heat source intensity, scan spacing, scanning velocity|
|||Residual stresses, tensile stress||Heating of base plate, heat treatment type, re-scanning|
|||Stiffness, yield strength, plateau stress, energy absorbed, densification strain||Unit cell aspect ratio|
|||Heat transfer related|
|||Part Temperature history||Layer position in the part under construction|
|||Temperature, melt pool, liquid lifetime||Scan speed, laser power|
|||Width of the melt track, temperature distribution||Scan speed, laser power|
|||Melting depth/width, temperature distribution||Scanning speed, laser power|
|||Absorbed lateral radiation||Beam shape characteristics|
|||Effective thermal conductivity of support structures, temperature||Volume fraction, number of cells|
|||Thermal modelling, melt pool shape characteristics||Evaporation, laser power|
|||Thermal history, melt pool dimensions, computational speed||Laser power, scan speed, meshing size adaptation|
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