journal article·2026-06

Study on molten pool dynamics and porosity formation of 4J36 invar steel welded by K-TIG

Yanhong Hou, Fei Zhao, Shuili Gong, Lifeng Ma, Haiyan Zhao, Wei Zhang

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OpenAlex topics: Welding Techniques and Residual Stresses · Microstructure and Mechanical Properties of Steels · Hydrogen embrittlement and corrosion behaviors in metals

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References (35)

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1. Yakout M, Elbestawi MA, Veldhuis SC (2018) A study of thermal expansion coefficients and microstructure during selective laser melting of Invar 36 and stainless steel 316L. Addit Manuf 24:405–418. https://doi.org/10.1016/j.addma.2018.09.03510.1016/j.addma.2018.09.035 ↗
2. Arbogast A, Roy S, Nycz A, Noakes MW, Masuo C, Babu SS (2020) Investigating the linear thermal expansion of additively manufactured multi-material joining between invar and steel. Materials 13(24):5683. https://doi.org/10.3390/ma1324568310.3390/ma13245683 ↗
3. Aldalur E, Suárez A, Veiga F (2022) Thermal expansion behaviour of Invar 36 alloy parts fabricated by wire-arc additive manufacturing. J Mater Res Technol 19:3634–3645. https://doi.org/10.1016/j.jmrt.2022.06.11410.1016/j.jmrt.2022.06.114 ↗
4. Corbacho JL, Suárez JC, Molleda F (1998) Welding of invar Fe-36Ni alloy for tooling of composite materials. Weld Int 12(12):966–971. https://doi.org/10.1080/0950711980944854310.1080/09507119809448543 ↗
5. Zhan X, Zhang D, Liu X, Chen J, Wei Y, Zhou J, Liu R (2017) Comparison between weave bead welding and multi-layer multi-pass welding for thick plate Invar steel. Int J Adv Manuf Technol 88(5):2211–2225. https://doi.org/10.1007/s00170-016-8926-410.1007/s00170-016-8926-4 ↗
6. Su Y, Yang X, Wu D, Meng T, Li W, Feng W, Vairis A (2023) Controlling deformation and residual stresses in a TIG joint for Invar steel molds. J Mater Res Technol 27:490–507. https://doi.org/10.1016/j.jmrt.2023.10.03610.1016/j.jmrt.2023.10.036 ↗
7. Su Y, Yang X, Wu D, Meng T, Li W, Feng W, Vairis A (2023) Optimizing welding sequence of TIG cross-joint of Invar steel using residual stresses and deformations. J Manuf Process 105:232–245. https://doi.org/10.1016/j.jmapro.2023.09.04710.1016/j.jmapro.2023.09.047 ↗
8. Miao Y, Wang Z, Liu J, Wu Y, Zhao Y, Li C (2022) Effects of bypass-current and outer plasma current on the arc stability and melt pool behaviors during plasma-MIG hybrid arc welding. J Manuf Process 82:415–424. https://doi.org/10.1016/j.jmapro.2022.08.01710.1016/j.jmapro.2022.08.017 ↗
9. Khan MS, Soleimani M, Midawi AR, Aderibigbe I, Zhou YN, Biro E (2023) A review on heat affected zone softening of dual-phase steels during laser welding. J Manuf Process 102:663–684. https://doi.org/10.1016/j.jmapro.2023.07.05910.1016/j.jmapro.2023.07.059 ↗
10. Zhou Y, Cheng L, Li Y, Wang J, Zhan X (2024) Interfacial microstructure evolution and mechanical properties in laser welded Invar alloy/TC4 dissimilar joints. Intermetallics 166:108171. https://doi.org/10.1016/j.intermet.2023.10817110.1016/j.intermet.2023.108171 ↗
11. Zhan X, Gao Q, Gu C, Sun W, Chen J, Wei Y (2017) The porosity formation mechanism in the laser-MIG hybrid welded joint of Invar alloy. Opt Laser Technol 95:86–93. https://doi.org/10.1016/j.optlastec.2017.04.01510.1016/j.optlastec.2017.04.015 ↗
12. Zhan X, Li Y, Ou W, Yu F, Chen J, Wei Y (2016) Comparison between hybrid laser-MIG welding and MIG welding for the invar36 alloy. Opt Laser Technol 85:75–84. https://doi.org/10.1016/j.optlastec.2016.06.00110.1016/j.optlastec.2016.06.001 ↗
13. Yan T, Zhan X, Gao Q, Wang F, Ling W (2021) Influence of laser power on molten pool flow field of laser-MIG hybrid welded Invar alloy. Opt Laser Technol 133:106539. https://doi.org/10.1016/j.optlastec.2020.10653910.1016/j.optlastec.2020.106539 ↗
14. Yang R, Liang J, Yan D, Sun W, Sun L, Wang L, Li H (2025) The advantage of K-TIG on the heat-affected zone microstructure in 347H stainless steel welding. Mater Sci Eng A. https://doi.org/10.1016/j.msea.2025.14874710.1016/j.msea.2025.148747 ↗
15. Cui S, Liu Z, Fang Y, Luo Z, Manladan SM, Yi S (2017) Keyhole process in K-TIG welding on 4 mm thick 304 stainless steel. J Mater Process Technol 243:217–228. https://doi.org/10.1016/j.jmatprotec.2016.12.02710.1016/j.jmatprotec.2016.12.027 ↗
16. Liu Z, Fang Y, Cui S, Luo Z, Liu W, Liu Z, Yi S (2016) Stable keyhole welding process with K-TIG. J Mater Process Technol 238:65–72. https://doi.org/10.1016/j.jmatprotec.2016.07.00510.1016/j.jmatprotec.2016.07.005 ↗
17. Cui Y, Shi Y, Hong X (2019) Analysis of the frequency features of arc voltage and its application to the recognition of welding penetration in K-TIG welding. J Manuf Process 46:225–233. https://doi.org/10.1016/j.jmapro.2019.09.00210.1016/j.jmapro.2019.09.002 ↗
18. Zmitrowicz P, Kawiak M, Kochmański P (2021) Microstructure and mechanical properties of welded joints of 1.4462 duplex steel made by the k-tig method. Materials 14:7868. https://doi.org/10.3390/ma1424786810.3390/ma14247868 ↗
19. Wang J, Shi Y, Cui Y, Wang Z (2022) Investigation of the relationship between voltage and arc length of K-TIG welding under penetrated condition. Int J Adv Manuf Technol 120(5):3843–3857. https://doi.org/10.1007/s00170-022-09008-310.1007/s00170-022-09008-3 ↗
20. Chang B, Allen C, Blackburn J, Hilton P, Du D (2015) Fluid flow characteristics and porosity behavior in full penetration laser welding of a titanium alloy. Metall Mater Trans B 46(2):906–918. https://link.springer.com/article/https://doi.org/10.1007/s11663-014-0242-510.1007/s11663-014-0242-5 ↗
21. Xu J, Rong Y, Huang Y, Wang P, Wang C (2018) Keyhole-induced porosity formation during laser welding. J Mater Process Technol 252:720–727. https://doi.org/10.1016/j.jmatprotec.2017.10.038Get rights and content10.1016/j.jmatprotec.2017.10.038 ↗
22. Zhang C, Gao M, Wang D, Yin J, Zeng X (2017) Relationship between pool characteristic and weld porosity in laser arc hybrid welding of AA6082 aluminum alloy. J Mater Process Technol 240:217–222. https://doi.org/10.1016/j.jmatprotec.2016.10.00110.1016/j.jmatprotec.2016.10.001 ↗
23. Zhan X, Zhao Y, Liu Z, Gao Q, Bu H (2018) Microstructure and porosity characteristics of 5A06 aluminum alloy joints using laser-MIG hybrid welding. J Manuf Process 35:437–445. https://doi.org/10.1016/j.jmapro.2018.08.01110.1016/j.jmapro.2018.08.011 ↗
24. Wu S, Zhao F, Wang P, Gong S, Wu Z (2025) Study on Molten Pool Flow and Porosity Defects in Laser–Tungsten Inert Gas (TIG) Welding of 4J36 Invar Steel. Materials 18(8):1824. https://doi.org/10.3390/ma1808182410.3390/ma18081824 ↗
25. Wang P, Zhao F, Wu S, Gong S, Ma L (2025) Study on the effects of Laser-TIG hybrid welding process parameters on keyhole stability and porosity mechanisms in 4J36 invar steel. Int J Mater Form 18(4):78. https://doi.org/10.1007/s12289-025-01946-z10.1007/s12289-025-01946-z ↗
26. Song B, Dong B, Cai X, Lin S (2024) Numerical simulation of arc characteristics in K-TIG welding. Int J Adv Manuf Technol 132(7):3821–3837. https://doi.org/10.1007/s00170-024-13615-710.1007/s00170-024-13615-7 ↗
27. Chen SY, Liu ZM, Zhao XC, Lv ZY, Fan XG (2019) Cathode-focused high-current arc: heat source development with stable keyhole in stationary welding. Int J Heat Mass Transf 143:118475. https://doi.org/10.1016/j.ijheatmasstransfer.2019.11847510.1016/j.ijheatmasstransfer.2019.118475 ↗
28. Wang X, Zhang J, Tashiro S, Tanaka M (2024) Study of molten pool dynamics in keyhole TIG welding by numerical modelling. J Manuf Process 119:827–841. https://doi.org/10.1016/j.jmapro.2024.03.11310.1016/j.jmapro.2024.03.113 ↗
29. Wang X, Luo Y, Fan D (2019) Investigation of heat transfer and fluid flow in high current GTA welding by a unified model. Int J Therm Sci 142:20–29. https://doi.org/10.1016/j.ijthermalsci.2019.04.00510.1016/j.ijthermalsci.2019.04.005 ↗
30. Sahoo P, Debroy T, McNallan MJ (1988) Surface tension of binary metal—surface active solute systems under conditions relevant to welding metallurgy. Metall Trans B 19(3):483–491. https://doi.org/10.1007/BF0265774810.1007/BF02657748 ↗
31. Li C, Xu P, Du Y, Li J, Liu H, Wang F, Xuan Y (2026) Study on the flow behavior of molten pool in K-TIG welding of Invar 36 and stainless steel dissimilar materials. Coatings 16(1):58. https://doi.org/10.3390/coatings1601005810.3390/coatings16010058 ↗
32. Ebrahimi A, Kleijn CR, Hermans MJ, Richardson IM (2021) The effects of process parameters on melt-pool oscillatory behaviour in gas tungsten arc welding. J Phys D Appl Phys 54(27):275303. https://doi.org/10.1088/1361-6463/abf80810.1088/1361-6463/abf808 ↗
33. Fei Z, Pan Z, Cuiuri D, Li H, Wu B, Ding D, Su L (2019) Effect of heat input on weld formation and tensile properties in keyhole mode TIG welding process. Metals 9(12):1327. https://doi.org/10.3390/met912132710.3390/met9121327 ↗
34. Keene BJ, Mills KC, Bryant JW, Hondros ED (1982) Effects of interaction between surface active elements on the surface tension of iron. Can Metall Q 21(4):393–403. https://doi.org/10.1179/cmq.1982.21.4.39310.1179/cmq.1982.21.4.393 ↗
35. Wang X, Xu H, He H, Zhou L (2025) Keyhole TIG welding of medium-thickness stainless steel and weld formation mechanism. Int J Adv Manuf Technol. https://doi.org/10.1007/s00170-025-15623-710.1007/s00170-025-15623-7 ↗