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Keyhole TIG Welding of New Co-Lean Nickel-Based Superalloy G27

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Proceedings of the 10th International Symposium on Superalloy 718 and Derivatives (TMS 2023)

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Abstract

The influence of keyhole TIG (K-TIG) welding parameters on the weld geometry and defects of a new Co-lean nickel-based superalloy G27 was studied, and the microstructures of the heat-affected zone (HAZ) and fusion zone (FZ) of the K-TIG-welded Alloy G27 were characterized. No cracks are found in the FZ and HAZ. Minimum weld width and face underfill statistically were significantly influenced by travel speed and interaction current*travel speed. Root excess weld metal was only significantly influenced by travel speed. Face excess weld metal was significantly influenced by all the factors, including their interaction. On the other hand, all the factors, including their interaction, did not significantly influence the average pore diameter. In the FZ microstructure, interdendritic microconstituents are identified as (Nb, Ti)C particles and γ/Laves eutectic constituents. In addition, a plate-like phase is observed surrounding the Laves phase, and γʹ precipitates are found to be inhomogeneously precipitated in the FZ. In the partially melted zone (PMZ), (Nb, Ti)C, Laves phase, γʹ precipitates, and plate-like particles are found in the liquated and resolidified regions, suggesting the solidification behavior in PMZ is likely to follow a similar pattern to the one observed in FZ.

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References

  1. Heck KA, Zhou N, Kernion SJ, Rickert D, Van Weereld F (2020) A New Co-free Ni-Based Alloy for Gas Turbine and Exhaust Valve Applications. In: Tin S, Clews J, Feng Qi, O'Brien C, Hardy M, Cormier J, Marcin J, Suzuki A (eds) Superalloys 2020 (TMS), p 142–152

    Google Scholar 

  2. Andersson J (2011) Weldability of precipitation hardening superalloys–influence of microstructure. Ph.D. thesis, Chalmers University of Technology

    Google Scholar 

  3. Andersson J (2018) Review of Weldability of Precipitation Hardening Ni-and Fe-Ni-Based Superalloys. In: Ott E, Liu X, Andersson J, Bi Z, Bockenstedt K, Dempster I, Groh J, Heck K, Jablonski P, Kaplan M, Nagahama D, Sudbrack C (eds) Superalloy 718 and Derivatives: Energy, Aerospace, and Industrial Applications. The Minerals, Metals & Materials Society, Pittsburgh; Springer, New York, pp 899–916

    Google Scholar 

  4. 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

    Google Scholar 

  5. Liu Z, Fang Y, Cui S, Luo Z, Liu W, Liu Z, Jiang Q, Yi S (2016) Stable keyhole welding process with K-TIG. J. Mater. Process. Technol. 238:65–72

    Google Scholar 

  6. Fei Z, Pan Z, Cuiuri D, Li H, Wu B, Ding D, Su L, Gazder AA (2018) Investigation into the viability of K-TIG for joining armour grade quenched and tempered steel. J. Manuf. Process. 32:482–93

    Google Scholar 

  7. Kuzmikova L, Larkin N, Pan Z, Callaghan M, Li H, Norrish J (2012) Investigation into feasibility of hybrid laser-GMAW process for welding high strength quenched and tempered steel. Australas. Weld. J. 57:1–9

    Google Scholar 

  8. Fei Z, Pan Z, Cuiuri D, Li H, Van Duin S, Yu Z (2019) Microstructural characterization and mechanical properties of K-TIG welded SAF2205/AISI316L dissimilar joint. J. Manuf. Process. 45:340–355

    Google Scholar 

  9. Khan A., Hilton P., Blackburn J., Allen C (2012) Meeting weld quality criteria when laser welding Ni-based alloy 718. International Congress on Applications of Lasers & Electro-Optics, Laser Institute of America, pp 549–557

    Google Scholar 

  10. Eriksson L, Johansson E, Kettaneh-Wold N, Wikström C, Wold S (2000) Design of experiments. Principles and Applications. Learn ways AB

    Google Scholar 

  11. Alvarez P, Vázquez L, Ruiz N, Rodríguez P, Magaña A, Niklas A, Santos F (2019) Comparison of hot cracking susceptibility of TIG and laser beam welded alloy 718 by varestraint testing. Metals. 9:985

    Google Scholar 

  12. Abedi H, Ojo (2022) Microstructural Analysis of Fusion Zone in Gas Tungsten Arc-Welded Newly Developed Co-Based Superalloy. Metall Mater Trans A. 53:377–381

    Google Scholar 

  13. Hanning F, Khan AK, Andersson J, Ojo O (2020) Advanced microstructural characterization of cast ATI 718Plus®—effect of homogenization heat treatments on secondary phases and repair welding behaviour. WELD WORLD. 64:523–533

    Google Scholar 

  14. Ariaseta A, Kobayashi S, Takeyama M, Wang Y, Imano S (2020) Characterization of Recrystallization and Second-Phase Particles in Solution-Treated Additively Manufactured Alloy 718. Metall Mater Trans A. 51:973–981

    Google Scholar 

  15. Otsuka T, Wakabayashi H, Igarashi D, Ariaseta A, Imano S, Wang Y, Kobayashi S, Takeyama M (2018) Effect of Homogenization on Creep of Additive Manufactured Alloy 718. In: Ott E, Liu X, Andersson J, Bi Z, Bockenstedt K, Dempster I, Groh J, Heck K, Jablonski P, Kaplan M, Nagahama D, Sudbrack C (eds) Superalloy 718 and Derivatives: Energy, Aerospace, and Industrial Applications. The Minerals, Metals & Materials Society, Pittsburgh; Springer, New York, pp 501–513

    Google Scholar 

  16. Cieslak M, Knorovsky G, Headley T, Romig Jr A (1989) The solidification metallurgy of alloy 718 and other Nb-containing superalloys. In: Loria EA (ed) Superalloy 718-Metallurgy and Applications. The Minerals, Metals & Materials Society, Pittsburgh, pp 59–68

    Google Scholar 

  17. Andersson J, Sjöberg G, Viskari L, Brederholm A, Hänninen H, Knee C (2008) Hot cracking of Allvac 718Plus, alloy 718 and Waspaloy at varestraint testing. In: Jahazi M, Elboujdaini M, Patnaik P (eds) 4th International Symposium on Aerospace Materials and Manufacturing Processes: Advances in Processing and Repair of Aerospace Materials. Canadian Institute of Mining, Metallurgy and Petroleum, Montreal, pp 401–413

    Google Scholar 

  18. Knorovsky G, Cieslak M, Headley T, Romig A, Hammetter W (1989) Inconel 718: a solidification diagram. Metall Trans A. 20:2149–2158

    Google Scholar 

  19. Singh S, Andersson J (2019) Varestraint weldability testing of cast ATI® 718Plus™—a comparison to cast Alloy 718. WELD WORLD. 63:389–939

    Google Scholar 

  20. Asala G, Andersson J, Ojo OA (2017) Precipitation behavior of γ′ precipitates in the fusion zone of TIG welded ATI 718Plus®. J. Adv. Manuf. Technol. 87:2721–2729

    Google Scholar 

  21. Asala G, Khan A, Andersson J, Ojo O (2017= Microstructural analyses of ATI 718Plus® produced by wire-ARC additive manufacturing process. Metall Mater Trans A. 48:4211–4228

    Google Scholar 

  22. Ojo O, Richards N, Chaturvedi M (2006) Study of the fusion zone and heat-affected zone microstructures in tungsten inert gas-welded INCONEL 738LC superalloy. Metall Mater Trans A. 37:421–433

    Google Scholar 

  23. Ojo O, Richards N, Chaturvedi M (2004) Microstructural study of weld fusion zone of TIG welded IN 738LC nickel-based superalloy. Scr. Mater. 51:683–688

    Google Scholar 

  24. Vishwakarma K, Richards N, Chaturvedi M (2008) Microstructural analysis of fusion and heat affected zones in electron beam welded ALLVAC® 718PLUS™ superalloy. Mater. Sci. Eng. A. 480:517–528

    Google Scholar 

  25. DuPont JN, Notis M, Marder A, Robino C, Michael J (1998) Solidification of Nb-bearing superalloys: Part I. Reaction sequences. Metall Mater Trans A. 29:2785–2796

    Google Scholar 

  26. Radhakrishnan B, Thompson R (1989) Solidification of the nickel-base superalloy 718: a phase diagram approach. Metall Trans A. 20:2866–2868

    Google Scholar 

  27. Schirra JJ, Caless RH, Hatala RW (1991) The effect of Laves phase on the mechanical properties of wrought and cast+ HIP Inconel 718. Superalloys. In: Loria EA (ed) Superalloys 718, 625 and Various Derivatives. The Minerals, Metals & Materials Society, Pittsburgh, pp 375–388

    Google Scholar 

  28. Strum M, Summers L, Morris Jr J (1983) The aging response of a welded iron-based superalloy. Weld. J. 62:235–242

    Google Scholar 

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Acknowledgements

This work is based on the research within the FEAST (Weld Feasibility Heat Treatment Studies of New Superalloys, registration number: 2019-02787) project funded by the Swedish funding agency VINNOVA. We highly appreciate the support and input from Dr. Ceena Joseph, Mr. Bengt Pettersson, Mr. Jimmy Johansson at GKN Aerospace Sweden AB, and Mr. Fredrik Olofsson at Brogren Industries AB. We also appreciate the support from Carpenter Technology Corporation in providing the material. Special acknowledgment to Mattias Igerstand from University West for performing the K-TIG welding operations.

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Authors and Affiliations

  1. Department of Engineering Science, University West, 46186, Trollhättan, Sweden

    Achmad Ariaseta, Dario Pick & Joel Andersson

  2. Faculty of Mining and Petroleum Engineering, Department of Metallurgical Engineering, Institut Teknologi Bandung, Jl. Ganesha 10, Bandung, 40132, Indonesia

    Achmad Ariaseta

  3. Department of Mechanical Engineering, University of Manitoba, Winnipeg, MB, R3T 5V6, Canada

    Olanrewaju Ojo

Authors
  1. Achmad Ariaseta
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  2. Dario Pick
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  3. Joel Andersson
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  4. Olanrewaju Ojo
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Corresponding author

Correspondence to Achmad Ariaseta .

Editor information

Editors and Affiliations

  1. General Electric, Cincinnati, OH, USA

    Eric A. Ott

  2. University West, Trollhättan, Sweden

    Joel Andersson

  3. National Energy Technology Laboratory, Albany, OR, USA

    Chantal Sudbrack

  4. Central Iron and Steel Research Institute, Beijing, China

    Zhongnan Bi

  5. ATI Specialty Materials, Monroe, NC, USA

    Kevin Bockenstedt

  6. Wyman Gordon/PPC, Houston, TX, USA

    Ian Dempster

  7. Haynes International, Kokomo, IN, USA

    Michael Fahrmann

  8. National Energy Technology Laboratory, Albany, OR, USA

    Paul Jablonski

  9. Oak Ridge National Laboratory, Oak Ridge, TN, USA

    Michael Kirka

  10. West Virginia University, Morgantown, WV, USA

    Xingbo Liu

  11. Honda R&D Co., Ltd., Wakō, Saitama, Japan

    Daisuke Nagahama

  12. NASA Glenn Research Center, Cleveland, OH, USA

    Tim Smith

  13. Montanuniversität Leoben, Leoben, Austria

    Martin Stockinger

  14. The University of Arizona, Tucson, AZ, USA

    Andrew Wessman

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Ariaseta, A., Pick, D., Andersson, J., Ojo, O. (2023). Keyhole TIG Welding of New Co-Lean Nickel-Based Superalloy G27. In: Ott, E.A., et al. Proceedings of the 10th International Symposium on Superalloy 718 and Derivatives. TMS 2023. The Minerals, Metals & Materials Series. Springer, Cham. https://doi.org/10.1007/978-3-031-27447-3_48

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