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<p>Metallic glasses (MGs) are recognized for their unique combination of high strength, high elasticity, and excellent corrosion resistance, making them promising for advanced engineering applications. However, the practical utilization of MGs in component fabrication is often hindered by constraints such as limited dimension and lack of plasticity at room temperature. To overcome these challenges, ultrasonic welding (UW), due to its solid-state connection nature, has emerged as an effective method for the joining and processing of MGs. This review highlights the advantageous role of UW in enhancing the manufacturability of MGs. Specifically, UW offers low thermal impact and fast processing times, while also exhibiting suitability for welding in extreme environments, including deep-sea, polar, and aerospace settings. Furthermore, the review provides a detailed comparison and summary of the joining mechanisms underlying UW of MGs, while also emphasizing the potential challenges and applications of UW.</p>

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Ultrasonic welding of metallic glasses: a review

  • 期刊论文

  • 发表日期：

    2025年5月9日

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  • Xin Li,
  • Jianan Fu,
  • Jiasen Sun,
  • Kaikai Song,
  • Jiang Ma

摘要

Metallic glasses (MGs) are recognized for their unique combination of high strength, high elasticity, and excellent corrosion resistance, making them promising for advanced engineering applications. However, the practical utilization of MGs in component fabrication is often hindered by constraints such as limited dimension and lack of plasticity at room temperature. To overcome these challenges, ultrasonic welding (UW), due to its solid-state connection nature, has emerged as an effective method for the joining and processing of MGs. This review highlights the advantageous role of UW in enhancing the manufacturability of MGs. Specifically, UW offers low thermal impact and fast processing times, while also exhibiting suitability for welding in extreme environments, including deep-sea, polar, and aerospace settings. Furthermore, the review provides a detailed comparison and summary of the joining mechanisms underlying UW of MGs, while also emphasizing the potential challenges and applications of UW.