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<p>Growth behaviors of primary CuTi in a hypoeutectic Cu-53 at.&#xa0;pct Ti alloy are unveiled <i>in situ</i> using confocal scanning laser microscope at a cooling rate of 60&#xa0;K/minutes. Primary CuTi grows helically from the liquid. Furthermore, growth rate of primary CuTi is determined to be 2.90&#xa0;<i>μ</i>m/seconds. Post-solidification examination reveals that growth mechanism of primary CuTi obeys the terrace–ledge–kink model. Our findings may offer a viable solution toward rational design of Cu–Ti alloys.</p>

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Growth Behaviors of Primary CuTi Phase in a Hypoeutectic Cu–Ti Alloy

  • 期刊论文

  • 发表日期：

    2025年1月29日

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  • Chao Liu,
  • Yonggang Fan,
  • Vladimir Efimovich Rogalin,
  • Cong Wang

摘要

Growth behaviors of primary CuTi in a hypoeutectic Cu-53 at. pct Ti alloy are unveiled in situ using confocal scanning laser microscope at a cooling rate of 60 K/minutes. Primary CuTi grows helically from the liquid. Furthermore, growth rate of primary CuTi is determined to be 2.90 μm/seconds. Post-solidification examination reveals that growth mechanism of primary CuTi obeys the terrace–ledge–kink model. Our findings may offer a viable solution toward rational design of Cu–Ti alloys.