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Abstract <p>The integration of lightweight, high-performance hybrid structures is crucial for modern aerospace and automotive applications. Among these, magnesium–titanium (Mg–Ti) dissimilar joints have garnered increasing interest due to their complementary mechanical and physical properties. However, significant differences in physical characteristics pose major challenges for direct joining. This review presents a comprehensive summary of recent developments in Mg–Ti joining technologies, with particular emphasis on interfacial modification strategies (e.g., fillers and interlayers) and advanced joining techniques, including welding–brazing, friction stir welding, ultrasonic welding, and transient liquid phase bonding. Additionally, the review synthesizes key findings on mechanical performance metrics, particularly tensile strength and hardness distribution, to assess joint quality and guide future research and engineering applications.</p>

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A Review of Joining Processes for Controlling Mg–Ti Dissimilar Metal Joint

  • 期刊论文

  • 发表日期：

    2025年7月1日

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  • Wenchao Zhang,
  • Guosheng Yang,
  • Funwee Chen

摘要

Abstract

The integration of lightweight, high-performance hybrid structures is crucial for modern aerospace and automotive applications. Among these, magnesium–titanium (Mg–Ti) dissimilar joints have garnered increasing interest due to their complementary mechanical and physical properties. However, significant differences in physical characteristics pose major challenges for direct joining. This review presents a comprehensive summary of recent developments in Mg–Ti joining technologies, with particular emphasis on interfacial modification strategies (e.g., fillers and interlayers) and advanced joining techniques, including welding–brazing, friction stir welding, ultrasonic welding, and transient liquid phase bonding. Additionally, the review synthesizes key findings on mechanical performance metrics, particularly tensile strength and hardness distribution, to assess joint quality and guide future research and engineering applications.