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<p>Tungsten inert gas (TIG) welding is widely used for joining aluminum alloys in industrial settings. The 5052 aluminum alloy is particularly well-suited for marine and shipbuilding applications. This research investigated how TIG welding process parameters, as determined by the Taguchi method, influenced the dilution and hardness of AA5052 alloy. The study considered various levels of voltage, current, and speed to create an L27 orthogonal array through design of experiments (DoE). Using ANSYS software, researchers developed a three-dimensional transient model with nonlinear thermal properties to simulate the thermal behavior during TIG welding of the 5052 aluminum alloy. The simulation results for temperature distributions and stresses were then compared with experimental data obtained through X-ray diffraction (XRD). Furthermore, the study conducted microstructural analysis and hardness measurements on welded specimens under optimized welding conditions.</p>

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Investigation of AA5052 TIG welding behavior: An integrated numerical and experimental approach

  • 期刊论文

  • 发表日期：

    2025年9月4日

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  • Saravanan Paramasivam,
  • Omprakasam Subramaniam,
  • Raghu Raman,
  • Veera Manikandan Paramasivam

摘要

Tungsten inert gas (TIG) welding is widely used for joining aluminum alloys in industrial settings. The 5052 aluminum alloy is particularly well-suited for marine and shipbuilding applications. This research investigated how TIG welding process parameters, as determined by the Taguchi method, influenced the dilution and hardness of AA5052 alloy. The study considered various levels of voltage, current, and speed to create an L27 orthogonal array through design of experiments (DoE). Using ANSYS software, researchers developed a three-dimensional transient model with nonlinear thermal properties to simulate the thermal behavior during TIG welding of the 5052 aluminum alloy. The simulation results for temperature distributions and stresses were then compared with experimental data obtained through X-ray diffraction (XRD). Furthermore, the study conducted microstructural analysis and hardness measurements on welded specimens under optimized welding conditions.