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<p>The method of influencing the electroslag welding (ESW) process, aimed at optimizing the structure of the weld metal, is considered. It is shown that external magnetic fields (MF), which allow non-contact force influence on the welding pool, are an effective tool to control metal crystallization during welding. Experimental data on the structuring of the weld metal during ESW of titanium plates 120 mm thick under the influence of constant and pulsed transverse magnetic fields are given. It was established that pulsed MF with induction of 0.06 T allows us to homogenize and refine the metal structure of the weld while reducing the average size of the metal grains in 2.6&#xa0;times, increase in the specific elongation of the weld metal by 23%, and the impact strength by 19%.</p>

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Titanium electroslag welding under electromagnetic influence on weld metal crystallization

  • 期刊论文

  • 发表日期：

    2025年5月1日

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  • V. O. Shapovalov,
  • I. V. Protokovilov,
  • V. B. Porokhonko,
  • S. Yu. Marynenko

摘要

The method of influencing the electroslag welding (ESW) process, aimed at optimizing the structure of the weld metal, is considered. It is shown that external magnetic fields (MF), which allow non-contact force influence on the welding pool, are an effective tool to control metal crystallization during welding. Experimental data on the structuring of the weld metal during ESW of titanium plates 120 mm thick under the influence of constant and pulsed transverse magnetic fields are given. It was established that pulsed MF with induction of 0.06 T allows us to homogenize and refine the metal structure of the weld while reducing the average size of the metal grains in 2.6 times, increase in the specific elongation of the weld metal by 23%, and the impact strength by 19%.