Pulse spray gas metal arc welding of advanced high strength S650MC automotive steel

Authors

  • Ashok Kumar Srivastava Centre for Excellence in Steel Technology, CSTPD, Department of Metallurgical Engineering, OP Jindal University, Raigarh-496109, Chhattisgarh, India
  • Pradip K Patra Centre for Excellence in Steel Technology, CSTPD, Department of Metallurgical Engineering, OP Jindal University, Raigarh-496109, Chhattisgarh, India

DOI:

https://doi.org/10.30544/682

Keywords:

advanced high strength steels; S650MC; GMAW; pulse spray; microstructure.

Abstract

With an increasing demand for safer and greener vehicles, mild steel and high strength steel are being replaced by much stronger advanced high strength steels of thinner gauges. However, the welding process of advanced high strength steels is not developed at the same pace. The performance of these welded automotive structural components depends largely on the external and internal quality of weldment. Gas metal arc welding (GMAW) is one of the most common methods used in the automotive industry to join car body parts of dissimilar high strength steels. It is also recognized for its versatility and speed. In this work, after a review of GMAW process and issues in welding of advanced high strength steels, a welding experiment is carried out with varying heat input by using spray and pulse-spray transfer GMAW method with filler wires of three different strength levels. The experiment results, including macro-microstructure, mechanical properties, and microhardness of weld samples, are investigated in detail. Very good weldability of S650MC is demonstrated through the weld joint efficiency > 90%; no crack in bending of weld joints, or fracture of tensile test sample within weld joint or heat affected zone (HAZ), or softening of the HAZ. Pulse spray is superior because of thinner HAZ width and finer microstructure on account of lower heat input. The impact of filler wire strength on weldability is insignificant. However, high strength filler wire (ER100SG) may be chosen as per standard welding practice of matching strength.

References

R. Wadhera, "White Paper on Alternative Fuels for Vehicles - Vision & Recommendations, Alternative Fuels in India", Link Accessed 10 September 2021.

A. Mascarin, T.Hannibal, A.Raghunathan, Z.Ivanic, M.Clark, "Vehicle Light weighting: Mass Reduction Spectrum Analysis and Process Cost Modelling" (Report Number: INL/EXT-16-38001), Link 1363637 Accessed 10 September 2021.

S. Kumar, M. Singhai, R. Desai, S. Sam, P.K. Patra: J Inst Eng (India): Ser. D, 97 (2016) 153-158.

Crossreff

D. Raabe, et al.: Metall Mater Trans A, 51 (2020) 5517-5586.

Crossreff

World Steel Association AISBL, "Home - AHSS Guidelines", Link Accessed 10 September 2021.

M.H. Safa, R. Ramadan, S. Ibrahim: J Pet Min Eng, 19 (2017) 71-80.

Crossreff

K. Sugimoto; S.Sato, J.Kobayashi, A.K. Srivastava: Metals, 9 (2019), 1066.

Crossreff

L. Bejar-Gomez, A. Medina-Flores, H. Carreon, I. Alfonso, J. Bernal-Ponce, J.A. Ascencio: Revista mexicana de física, 55 (2009) 110-113.

A.K. Srivastava, A. Sharma: Am J Mater Eng Technol, 5 (2017) 7-13.

Crossreff

F. Javidan, A. Heidarpour, X-L. Zhao, C.R. Hutchinson, J. Minkkinen: Eng Struct, 118c(2016) 16-27.

Crossreff

P. Zhai, S. Xue, J. Wang, W. Chen, T. Chen, S. Ji: Metals, 10c(2020) 665.

Crossreff

S. Das, J. Vora, V. Patel, S. Bogum: J Phys: Conf Ser, 1950 (2021) 012043.

Crossreff

B. de Meester: ISIJ Int, 37 (1997) 537-551.

Crossreff

H. Wang: Mater Trans, 46 (2005) 593-601.

Crossreff

Welding Answers, "How To Calculate Heat Input From Welding": Link Accessed 10 September 2021.

P. Kah, M. Pirinen, R. Suoranta, J. Matikainen: Adv Mater Res, 849 (2014) 357-365.

Crossreff

X. N. Wang, H.S. Di, C. Zhang, L.X. Du, X.X. Dong: J Iron Steel Res Int, 2012 19:6 (2012) 64-69.

Crossreff

M. Maalekian, ASM Handbook, Volume 6A: Welding Fundamentals and Processes, first ed., ASM International, Ohio, 2011, 122-137.

P.J. Modenesi, R.F. Fajardo, D.B. Santos: Mater Sci Forum, 638-642 (2010) 3704-3709.

Crossreff

J. Gorka: MTAEC9, 50(4) (2016) 617-621.

Crossreff

M.D. Tumuluru, ASM Handbook, Volume 6A: Welding Fundamentals and Processes, first ed., ASM International, Ohio, 2011, 409-422.

C.D. Sorensen, ASM Handbook, Volume 6A: Welding Fundamentals and Processes, first ed., ASM International, Ohio, 2011, 664-677.

G. Meschut, V. Janzen, T. Olfermann: J Mater Eng Perform, 23 (2014) 1515-1523.

Crossreff

R.W. Messler Jr., ASM Handbook, Volume 6A: Welding Fundamentals and Processes, first ed., ASM International, Ohio, 2011, 16-21.

C. Conrardy, ASM Handbook, Volume 6A: Welding Fundamentals and Processes, first ed., ASM International, Ohio, 2011, 309-320.

U.K. Ghosh, Design of Welded Steel Structures: Principles and Practice; first ed., CRC Press: London/New York, 2016, 16-22.

Crossreff

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Published

2021-12-21

How to Cite

Srivastava, Ashok Kumar, and Pradip K Patra. 2021. “Pulse Spray Gas Metal Arc Welding of Advanced High Strength S650MC Automotive Steel”. Metallurgical and Materials Engineering 27 (4):505-17. https://doi.org/10.30544/682.

Issue

Section

Steelmaking and processing - devoted to Prof. Ljubomir Nedeljković