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<p>The structure and properties of alloy 2024 formed during friction stir welding, assisted with three different water cooling techniques: (i)&#xa0;underwater welding with extra cooling of the tool by a&#xa0;water jet, (ii)&#xa0;cooling by still water, and (iii)&#xa0;water jet cooling, are explored. The structural changes due to extra cooling are studied. A&#xa0;number of various cooling techniques are assessed, including the water-filled bath, continuous-flow cooling, and their combinations. The results indicate that the combined cooling method yields the strongest joint.</p>

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Effect of active liquid cooling in friction stir welding on the formation of structure and properties of a 2024 aluminum alloy

  • 期刊论文

  • 发表日期：

    2025年10月1日

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  • E. A. Sidorov,
  • S. Yu. Tarasov,
  • A. I. Amirov,
  • V. E. Rubtsov,
  • E. N. Moskvichev,
  • T. E. Alushkin,
  • A. V. Zubritskiy,
  • A. V. Chumaevskii,
  • E. A. Kolubaev

摘要

The structure and properties of alloy 2024 formed during friction stir welding, assisted with three different water cooling techniques: (i) underwater welding with extra cooling of the tool by a water jet, (ii) cooling by still water, and (iii) water jet cooling, are explored. The structural changes due to extra cooling are studied. A number of various cooling techniques are assessed, including the water-filled bath, continuous-flow cooling, and their combinations. The results indicate that the combined cooling method yields the strongest joint.