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<p>The material structure formation in titanium-based composite by its friction stir processing is demonstrated. The raw plate of a&#xa0;Grade&#xa0;2 titanium alloy is drilled and filled with a&#xa0;Cu-Ni-Al powder, followed by friction stir processing. It is shown that four tool passes along the processing line at a&#xa0;small (5%) content of powders give rise to the formation of intermetallic phases practically uniformly distributed in the stir zone, but in the case of a&#xa0;large volume fraction (15%) of powder particles these are not enough to form a&#xa0;homogeneous material structure. The materials manufactured in this way are characterized by the improved mechanical properties in tension and high properties in compression.</p>

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Structure formation in Ti(Cu-Ni-Al) metal matrix composites under friction stir processing

  • 期刊论文

  • 发表日期：

    2025年8月1日

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  • A. V. Chumaevskii,
  • E. O. Knjazhev,
  • D. A. Gurianov,
  • A. I. Amirov,
  • V. E. Rubtsov,
  • E. A. Kolubaev

摘要

The material structure formation in titanium-based composite by its friction stir processing is demonstrated. The raw plate of a Grade 2 titanium alloy is drilled and filled with a Cu-Ni-Al powder, followed by friction stir processing. It is shown that four tool passes along the processing line at a small (5%) content of powders give rise to the formation of intermetallic phases practically uniformly distributed in the stir zone, but in the case of a large volume fraction (15%) of powder particles these are not enough to form a homogeneous material structure. The materials manufactured in this way are characterized by the improved mechanical properties in tension and high properties in compression.