An investigation into the effect of process parameters on melt pool geometry, cell spacing, and grain refinement during laser powder bed fusion

Fayazfar, 2018, A critical review of powder-based additive manufacturing of ferrous alloys: process parameters, microstructure and mechanical properties, Mater. Des., 144, 98, 10.1016/j.matdes.2018.02.018

Sadowski, 2016, Optimizing quality of additively manufactured Inconel 718 using powder bed laser melting process, Addit. Manuf., 11, 60, 10.1016/j.addma.2016.03.006

Aversa, 2018, Single scan track analyses on aluminium based powders, J. Mater. Process. Technol., 255, 17, 10.1016/j.jmatprotec.2017.11.055

Ciurana, 2013, Energy density analysis on single tracks formed by selective laser melting with CoCrMo powder material, Int. J. Adv. Manuf. Technol., 68, 1103, 10.1007/s00170-013-4902-4

DebRoy, 2018, Additive manufacturing of metallic components – process, structure and properties, Prog. Mater. Sci., 92, 112, 10.1016/j.pmatsci.2017.10.001

Gu, 2008, Processing conditions and microstructural features of porous 316L stainless steel components by DMLS, Appl. Surf. Sci., 255, 1880, 10.1016/j.apsusc.2008.06.118

Song, 2014, Microstructure and tensile properties of iron parts fabricated by selective laser melting, Opt. Laser Technol., 56, 451, 10.1016/j.optlastec.2013.09.017

Gong, 2014, Analysis of defect generation in Ti-6Al-4V parts made using powder bed fusion additive manufacturing processes, Addit. Manuf., 1, 87, 10.1016/j.addma.2014.08.002

Yadroitsev, 2010, Single track formation in selective laser melting of metal powders, J. Mater. Process. Technol., 210, 1624, 10.1016/j.jmatprotec.2010.05.010

Kempen, 2015, Processing AlSi10Mg by selective laser melting: parameter optimisation and material characterisation, Mater. Sci. Technol., 31, 917, 10.1179/1743284714Y.0000000702

Yadroitsev, 2013, Energy input effect on morphology and microstructure of selective laser melting single track from metallic powder, J. Mater. Process. Technol., 213, 606, 10.1016/j.jmatprotec.2012.11.014

Dilip, 2016, A short study on the fabrication of single track deposits in SLM and characterization, 1644

Keshavarzkermani, 2018, Direct metal laser melting of Inconel 718: process impact on grain formation and orientation, J. Alloys Compd., 736, 297, 10.1016/j.jallcom.2017.11.130

Wang, 2017, electron backscatter diffraction analysis of Inconel 718 parts fabricated by selective laser melting additive manufacturing, JOM, 69, 402, 10.1007/s11837-016-2198-1

Jia, 2014, Selective laser melting additive manufacturing of Inconel 718 superalloy parts: densification, microstructure and properties, J. Alloys Compd., 585, 713, 10.1016/j.jallcom.2013.09.171

Gong, 2015, Characterization of microstructure and mechanical property of Inconel 718 from Selective laser melting

EOS GmbH – Electro Optical Systems, Material data sheet EOS NickelAlloy HX Material data sheet Technical data, 49 (2015) 1–5.

Scipioni Bertoli, 2017, On the limitations of Volumetric Energy Density as a design parameter for Selective Laser Melting, Mater. Des., 113, 331, 10.1016/j.matdes.2016.10.037

Ye, 2018, Laser absorption and scaling behavior in powder bed fusion additive manufacturing of metals

Tomus, 2017, Effect of minor alloying elements on crack-formation characteristics of Hastelloy-X manufactured by selective laser melting, Addit. Manuf., 16, 65, 10.1016/j.addma.2017.05.006

Han, 2018, Laser powder bed fusion of Hastelloy X: effects of hot isostatic pressing and the hot cracking mechanism, Mater. Sci. Eng. A, 732, 228, 10.1016/j.msea.2018.07.008

Tomus, 2016, Influence of post heat treatments on anisotropy of mechanical behaviour and microstructure of Hastelloy-X parts produced by selective laser melting, Mater. Sci. Eng. A, 667, 42, 10.1016/j.msea.2016.04.086

Tian, 2017, Influences of processing parameters on surface roughness of Hastelloy X produced by selective laser melting, Addit. Manuf., 13, 103, 10.1016/j.addma.2016.10.010

Vander Voort, 2004, Metallography and microstructures of heat-resistant alloys, ASM Handb. Metallogr. Microstruct., 9, 820, 10.31399/asm.hb.v09.a0003737

Li, 2012, Balling behavior of stainless steel and nickel powder during selective laser melting process, Int. J. Adv. Manuf. Technol., 59, 1025, 10.1007/s00170-011-3566-1

Mahmoodkhani, 2018, On the measurement of effective powder layer thickness in laser powder-bed fusion additive manufacturing of metals, Prog. Addit. Manuf., 10.1007/s40964-018-0064-0

Bidare, 2017, An open-architecture metal powder bed fusion system for in-situ process measurements, Addit. Manuf., 16, 177, 10.1016/j.addma.2017.06.007

Bidare, 2018, Fluid and particle dynamics in laser powder bed fusion, Acta Mater., 142, 107, 10.1016/j.actamat.2017.09.051

Esmaeilizadeh, 2019, On the effect of spatter particles distribution on the quality of Hastelloy X parts made by laser powder-bed fusion additive manufacturing, J. Manuf. Process., 37, 11, 10.1016/j.jmapro.2018.11.012

Ladani, 2017, Effective liquid conductivity for improved simulation of thermal transport in laser beam melting powder bed technology, Addit. Manuf., 14, 13, 10.1016/j.addma.2016.12.004

Khairallah, 2016, Laser powder-bed fusion additive manufacturing: physics of complex melt flow and formation mechanisms of pores, spatter, and denudation zones, Acta Mater., 108, 36, 10.1016/j.actamat.2016.02.014

Ly, 2017, Metal vapor micro-jet controls material redistribution in laser powder bed fusion additive manufacturing, Sci. Rep., 7, 1, 10.1038/s41598-017-04237-z

Scipioni Bertoli, 2017, In-situ characterization of laser-powder interaction and cooling rates through high-speed imaging of powder bed fusion additive manufacturing, Mater. Des., 135, 385, 10.1016/j.matdes.2017.09.044

Kou, 2002, Welding Metall., 10.1002/0471434027

Harrison, 2015, Reduction of micro-cracking in nickel superalloys processed by Selective Laser Melting: a fundamental alloy design approach, Acta Mater., 94, 59, 10.1016/j.actamat.2015.04.035

Divya, 2016, Microstructure of selective laser melted CM247LC nickel-based superalloy and its evolution through heat treatment, Mater. Charact., 114, 62, 10.1016/j.matchar.2016.02.004

Wang, 2017, Microstructure and yield strength of SLM-fabricated CM247LC Ni-Superalloy, Acta Mater., 128, 87, 10.1016/j.actamat.2017.02.007

Darvish, 2018, Selective laser melting of Co-29Cr-6Mo alloy with laser power 180–360 W: cellular growth, intercellular spacing and the related thermal condition, Mater. Charact., 135, 183, 10.1016/j.matchar.2017.11.042

Yan, 2015, Microstructure and mechanical properties of aluminium alloy cellular lattice structures manufactured by direct metal laser sintering, Mater. Sci. Eng. A, 628, 238, 10.1016/j.msea.2015.01.063

Zuback, 2018, The hardness of additively manufactured alloys, Materials (Basel), 11, 2070, 10.3390/ma11112070

Kurz, 1994, Rapid solidification processing and microstructure formation, Mater. Sci. Eng. A, 179–80, 46, 10.1016/0921-5093(94)90162-7

Dinda, 2012, Evolution of microstructure in laser deposited Al-11.28%Si alloy, Surf. Coatings Technol, 206, 2152, 10.1016/j.surfcoat.2011.09.051

Tang, 2016, Rapid solidification: selective laser melting of AlSi10Mg, JOM, 68, 960, 10.1007/s11837-015-1763-3

Taha, 1990, Application of the Hall-Petch relation to microhardness measurements on Al, Cu, Al-MD 105, and Al-Cu alloys, Phys. Status Solidi, 119, 455, 10.1002/pssa.2211190207

M. Munawar, High-purity copper and aluminium, 82 (2002) 2071–2080.

Avazkonandeh-Gharavol, 2014, Effect of partition coefficient on microsegregation during solidification of aluminium alloys, Int. J. Miner. Metall. Mater., 21, 980, 10.1007/s12613-014-0999-1

Zhang, 2016, Grain morphology control and texture characterization of laser solid formed Ti6Al2Sn2Zr3Mo1.5Cr2Nb titanium alloy, J. Mater. Process. Technol., 238, 202, 10.1016/j.jmatprotec.2016.07.011

Montiel, 2012, Microstructure analysis of AZ31 magnesium alloy welds using phase-field models, Acta Mater., 60, 5925, 10.1016/j.actamat.2012.07.035

Zhao, 2017, Real-time monitoring of laser powder bed fusion process using high-speed X-ray imaging and diffraction, Sci. Rep., 7, 1

Matthews, 2017, Denudation of metal powder layers in laser powder-bed fusion processes, Addit. Manuf. Handb. Prod. Dev. Def. Ind., 114, 677