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<p>The paper presents the results of research on artwork joints of considerable thickness (10&#xa0;mm). Butt welds in artworks are always difficult to perform because access to the joint is often one-sided. Traditional arc welding technologies are of limited use for such one-off production tasks, as full access to the joint is required and after welding the bulge must be cleaned from all sides of the bar, which is often unacceptable. Existing brazing technologies require a controlled gap between the joining surfaces, which is impossible to achieve for a wide variety of joints in art designs. Increasing the gap results in a decrease in the mechanical properties of the structure. A synergistic combination of welding and brazing using TIG technology can ensure a high-quality joint for thick bars of art structures. For such joints and conditions, the technology of high-temperature arc (TIG) brazing with partial melting of the parts to be joined and subsequent introduction of brazing alloy (CuSi3) into the metal pools of the parts to mix the liquid metal of the parts and the brazing alloy was developed. The developed technology makes it possible to fill the gap between the surfaces of bar-type parts with one-way access in the flat position, with minimal need to clean up solder that has protruded beyond the part.</p>

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TIG braze welding of rod-type art structures

  • 期刊论文

  • 发表日期：

    2025年4月15日

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  • Serhii Minakov,
  • Yevgenia Chvertko,
  • Nataliya Strelenko,
  • Anton Minakov,
  • Denys Stepanov,
  • Anatoliy Zavdoveev,
  • Dmytro Vdovychenko,
  • Ivan Vdovychenko,
  • Ievgen Byba

摘要

The paper presents the results of research on artwork joints of considerable thickness (10 mm). Butt welds in artworks are always difficult to perform because access to the joint is often one-sided. Traditional arc welding technologies are of limited use for such one-off production tasks, as full access to the joint is required and after welding the bulge must be cleaned from all sides of the bar, which is often unacceptable. Existing brazing technologies require a controlled gap between the joining surfaces, which is impossible to achieve for a wide variety of joints in art designs. Increasing the gap results in a decrease in the mechanical properties of the structure. A synergistic combination of welding and brazing using TIG technology can ensure a high-quality joint for thick bars of art structures. For such joints and conditions, the technology of high-temperature arc (TIG) brazing with partial melting of the parts to be joined and subsequent introduction of brazing alloy (CuSi3) into the metal pools of the parts to mix the liquid metal of the parts and the brazing alloy was developed. The developed technology makes it possible to fill the gap between the surfaces of bar-type parts with one-way access in the flat position, with minimal need to clean up solder that has protruded beyond the part.