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<p>In the field of welding superalloys, the complexity and high degree of alloying in these materials render most welding methods unsuitable for their application. Research on superalloy welding is scarce, with studies on powder metallurgy superalloys being even rarer. Based on the current state of research on powder metallurgy superalloys, the existing challenges in their joining processes are summarized in this work, and corresponding targeted solutions are proposed. In addition, the coupled optimization of interlayer design and post-bond heat treatment for liquid phase diffusion bonding represents a key research focus and a promising direction for future studies.</p>

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A review of the current status of transient liquid phase bonding of powder metallurgy superalloys

  • 期刊论文

  • 发表日期：

    2026年3月17日

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  • Xinlei Ding,
  • Yunjia Huang,
  • Wei Guo,
  • Yeming Guo

摘要

In the field of welding superalloys, the complexity and high degree of alloying in these materials render most welding methods unsuitable for their application. Research on superalloy welding is scarce, with studies on powder metallurgy superalloys being even rarer. Based on the current state of research on powder metallurgy superalloys, the existing challenges in their joining processes are summarized in this work, and corresponding targeted solutions are proposed. In addition, the coupled optimization of interlayer design and post-bond heat treatment for liquid phase diffusion bonding represents a key research focus and a promising direction for future studies.