The role of asymmetric metal flow on weld formation and solidification characteristics during pulsed laser butt welding with assembly tolerance

Wan, 2023, Investigation of thermal damage in continuous wave laser-induced nanowelding, Opt Laser. Technol., 161, 10.1016/j.optlastec.2023.109143 Fan, 2023, Effects of substrate surface treatments on hybrid manufacturing of AlSi7Mg using die casting and selective laser melting, J. Mater. Sci. Technol., 156, 142, 10.1016/j.jmst.2023.02.009 Li, 2023, Reducing plasma shielding effect for improved nanosecond laser drilling of copper with applied direct current, Opt Laser. Technol., 163, 10.1016/j.optlastec.2023.109372 Yang, 2015, Microstructural characterisation and liquation behaviour of laser welded joint of fine grained AZ91 magnesium alloy thin sheets, Sci. Technol. Weld. Join. ISSN., 20, 27, 10.1179/1362171814Y.0000000252 Yadav, 2022, Laser welded lip seal for UHV class fusion vessels – a methodical study, Fusion Eng. Des., 180, 10.1016/j.fusengdes.2022.113163 Ömer Üstündağ, 2022, Hybrid laser-arc welding of laser- and plasma-cut 20-mm-thick structural steels, Weld. World, 66, 507, 10.1007/s40194-022-01255-y Egerland, 2018, Investigation of advanced laser-MAG tandem hybrid welding for joining gap-flawed thin sheet metal parts, Weld. World, 62, 95, 10.1007/s40194-017-0531-0 Sun, 1999, Bridging the joint gap with wire feed laser welding, J. Mater. Process. Technol., 87, 213, 10.1016/S0924-0136(98)00346-X Pu, 2021, Influence of wire feeding speed on the melting behavior and formation of narrow-gap joint by laser welding with filler wire, J. Laser Appl., 32 Yang Tao, 2020, Studies on the formation mechanism of incomplete fusion defects in ultra- narrow gap laser wire fi lling welding, Opt Laser. Technol., 129 Schultz, 2014, Gap bridging ability in laser beam welding of thin aluminum sheets, Phys. Procedia, 56, 545, 10.1016/j.phpro.2014.08.037 J, 2020, Tamás tóth, andreas kreybohm, effects of reduced ambient pressure and beam oscillation on gap bridging ability during solid-state laser beam welding, J. Manuf. Mater. Process. Artic., 4, 40 Chen, 2022, Weld pool dynamics and joining mechanism in pulse wave laser beam welding of Ti-6Al-4V titanium alloy sheets assembled in butt joint with an air gap, Opt Laser. Technol., 146, 10.1016/j.optlastec.2021.107558 Tang, 2023, Asymmetry of keyhole and weld pool geometry in PLBW of tailor-welded steel sheets with edge misalignment : numerical modeling and experimental validation, Opt Laser. Technol., 161, 10.1016/j.optlastec.2023.109205 Tzeng, 2000, Process characterization of pulsed Nd:YAG laser seam welding, Int. J. Adv. Manuf. Technol., 16, 10, 10.1007/PL00013126 Torkamany, 2006, The effect of process parameters on keyhole welding with a 400 W Nd:YAG pulsed laser, J. Phys. D Appl. Phys., 39, 4563, 10.1088/0022-3727/39/21/009 Mohid, 2017, Melted zone shapes transformation in titanium alloy welded using pulse wave laser, Mater. Sci. Forum, 882, 8, 10.4028/www.scientific.net/MSF.882.8 Assuncao, 2013, Comparison of continuous wave and pulsed wave laser welding effects, Opt Laser. Eng., 51, 674, 10.1016/j.optlaseng.2013.01.007 Torkamany, 2010, Dissimilar welding of carbon steel to 5754 aluminum alloy by Nd:YAG pulsed laser, Mater. Des., 31, 458, 10.1016/j.matdes.2009.05.046 von Witzendorff, 2015, Double pulse laser welding of 6082 aluminium alloys, Sci. Technol. Weld. Join., 20, 42, 10.1179/1362171814Y.0000000255 Chludzinski, 2021, Pulsed laser butt welding of AISI 1005 steel thin plates, Opt Laser. Technol., 134, 10.1016/j.optlastec.2020.106583 Gao, 2014, Porosity and microstructure in pulsed Nd:YAG laser welded Ti6Al4V sheet, J. Mater. Process. Technol., 214, 1316, 10.1016/j.jmatprotec.2014.01.015 Cho, 2006, Implementation of real-time multiple reflection and Fresnel absorption of laser beam in keyhole, J. Phys. D Appl. Phys., 39, 5372, 10.1088/0022-3727/39/24/039 Wu, 2018, Experimental and numerical study of spatter formation and composition change in fiber laser welding of aluminum alloy, J. Phys. D Appl. Phys., 51, 10.1088/1361-6463/aab758 Cho, 2018, Numerical study of the e ff ect of the oscillation frequency in buttonhole welding, J. Mater. Process. Technol., 261, 202, 10.1016/j.jmatprotec.2018.05.024 Cho, 2021, Analysis of molten pool dynamics in laser welding with beam oscillation and filler wire feeding, Int. J. Heat Mass Tran., 164, 10.1016/j.ijheatmasstransfer.2020.120623 Ke, 2023, Heat transfer and melt flow of keyhole , transition and conduction modes in laser beam oscillating welding, Int. J. Heat Mass Tran. J., 203 Li, 2019, Numerical and experimental study on keyhole and melt flow dynamics during laser welding of aluminium alloys under subatmospheric pressures, Int. J. Heat Mass Tran., 133, 812, 10.1016/j.ijheatmasstransfer.2018.12.165 Huang, 2023, Keyhole-induced pore formation mechanism in laser-MIG hybrid welding of aluminum alloy based on experiment and multiphase numerical model, J. Mater. Process. Technol., 314, 10.1016/j.jmatprotec.2023.117903 Wei, 2015, Evolution of solidification texture during additive manufacturing, Nat. Publ. Gr., 1 Ou, 2018, Fusion zone geometries, cooling rates and solidification parameters during wire arc additive manufacturing, Int. J. Heat Mass Tran., 127, 1084, 10.1016/j.ijheatmasstransfer.2018.08.111 Geng, 2020, Heat transfer and fluid flow and their effects on the solidification microstructure in full-penetration laser welding of aluminum sheet, J. Mater. Sci. Technol., 46, 50, 10.1016/j.jmst.2019.10.027 Li, 2020, Analysis of surface tension driven fl ow and solidi fi cation behavior in laser linear welding of stainless steel, Opt Laser. Technol., 123, 10.1016/j.optlastec.2019.105914 Roehling, 2020, Controlling grain nucleation and morphology by laser beam shaping in metal additive manufacturing, Mater. Des., 195, 10.1016/j.matdes.2020.109071 Zhao, 2022, Experimental and numerical study on the effect of increasing frequency on the morphology and microstructure of aluminum alloy in laser wobbling welding, J. Mater. Res. Technol., 21, 267, 10.1016/j.jmrt.2022.09.008 Hao, 2020, Numerical simulation for dynamic behavior of molten pool in tungsten inert gas welding with reserved gap, J. Manuf. Process., 58, 11, 10.1016/j.jmapro.2020.07.063 Feng, 2021, Simulation and experiment for dynamics of laser welding keyhole and molten pool at different penetration status, Int. J. Adv. Manuf. Technol., 2301, 10.1007/s00170-020-06489-y Chen, 2022, Numerical investigation on keyhole collapsing and rebuilding behavior during pulsed laser beam welding of Ti6Al4V titanium alloy under various pulse frequencies, Appl. Phys. Mater. Sci. Process, 128, 1, 10.1007/s00339-021-05006-6 Ge, 2021, Numerical modelling of keyhole formation in selective laser melting of Ti6Al4V, J. Manuf. Process., 62, 646, 10.1016/j.jmapro.2021.01.005 Allen, 2020, Energy-coupling mechanisms revealed through simultaneous keyhole depth and absorptance measurements during laser-metal processing, Phys. Rev. Appl., 13, 1, 10.1103/PhysRevApplied.13.064070 Rai, 2008, A convective heat-transfer model for partial and full penetration keyhole mode laser welding of a structural steel, Metall. Mater. Trans. A Phys. Metall. Mater. Sci., 39, 98, 10.1007/s11661-007-9400-6 Chen, 2022, Effects of groove clearance size on gap bridging capacity in PWLBW of Ti6Al4V alloy sheet assembled in butt joint configuration : numerical simulation and experimental assessment, Opt Laser. Technol., 156, 10.1016/j.optlastec.2022.108527 Li, 2021, Columnar to equiaxed transition in additively manufactured CoCrFeMnNi high entropy alloy, Mater. Des., 197, 10.1016/j.matdes.2020.109262 Knapp, 2019, Experiments and simulations on solidification microstructure for Inconel 718 in powder bed fusion electron beam additive manufacturing, Addit. Manuf., 25, 511 Hou, 2019, Columnar to equiaxed transition during directionally solidifying GCr18Mo steel affected by thermoelectric magnetic force under an axial static magnetic field, ISIJ Int., 59, 60, 10.2355/isijinternational.ISIJINT-2018-449 Meng, 2014, Journal of Materials Processing Technology High speed TIG – MAG hybrid arc welding of mild steel plate, J. Mater. Process. Technol., 214, 2417, 10.1016/j.jmatprotec.2014.05.020