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Effects Of Welding Current And Speed On Residual Stress And Distortion Of Joining St52 Rolled Plate In Different Welding Sequences

Author

Listed:
  • Ali Aminifar

    (Faculty of Mechanical Engineering, Shahid Bahonar University of Kerman, Kerman, Iran)

  • Alireza M. Haghigh

    (Faculty of Mechanical Engineering, Shahid Bahonar University of Kerman, Kerman, Iran)

Abstract

Welding is a process of permanent joining parts by different welding methods. Residual stress and distortion are the most common phenomena of this process. Reduction of the residual stresses, distortion and improving the quality of welding are the important subjects of this field. Determining and analyzing the residual stresses and distortion is the main step for these purposes. Welding sequences, speed and current are the most effective parameters of this process. In this study, effects of welding parameters such as welding speed and current, in order to reduce residual stress and distortion of welding ST52 rolled plate in different welding sequences have been studied with three-dimensional thermo-mechanical finite element model by means of ANSYS APDL. By comparing different considered situations, the most efficient welding methods with the least residual stress and distortion by considering different welding sequences have been suggested. It obtains that welding the ST52 rolled plate from edge to edge with higher current and lower speed is the best option in fatigue and load-bearing situations, and welding from the center to both sides simultaneously with lower current and higher speed is the best option for assembly problems.

Suggested Citation

  • Ali Aminifar & Alireza M. Haghigh, 2020. "Effects Of Welding Current And Speed On Residual Stress And Distortion Of Joining St52 Rolled Plate In Different Welding Sequences," Acta Mechanica Malaysia (AMM), Zibeline International Publishing, vol. 3(2), pages 40-45, November.
    • Handle: RePEc:zib:zbnamm:v:3:y:2020:i:2:p:40-45
    DOI: 10.26480/amm.02.2020.40.45
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    References listed on IDEAS

    as
    1. Alireza M. Haghighi & Farhad S. Samani, 2020. "Effects Of Welding Parameters, Time Interval And Preheating On Residual Stress And Distortion Of Joining St52 Stiffener Ring In An Aisi 4130 Tubular Shell," Acta Mechanica Malaysia (AMM), Zibeline International Publishing, vol. 3(1), pages 11-15:3, February.
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    Cited by:

    1. Alireza M. Haghighi, 2021. "Numerical Modeling The Effects Of Additive Manufacturing Parameters, Heat Treatment And Orientation On Residual Stress And Distortion Of Metal Powder In718 Pump Impeller Fabrication," Acta Mechanica Malaysia (AMM), Zibeline International Publishing, vol. 4(1), pages 22-26, July.

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