Research Status and Prospects of Ultrasonic Vibration-Assisted Joining Technology for Difficult-to-Weld High-Strength Alloys

Ultrasonic vibration-assisted joining technology has garnered significant attention in recent years, as it amalgamates the merits of conventional hot and cold joining techniques with ultrasonic vibration-assisted forming technology. It offers significant advantages in achieving advanced joining for difficult-to-weld high-strength alloy materials, improving the mechanical properties of conventional joining methods, and enhancing fatigue strength. Extensive research has been conducted by scholars on ultrasonic-assisted material forming and improving joining performance, which has found practical applications in the formation and joining of various difficult-to-weld high-strength alloys. The present paper provides a concise overview of the fundamental principles and historical development of ultrasonic vibration-assisted joining technology. The effects of various process parameters on ultrasonic vibration-assisted joining joints are also analyzed, and the latest techniques for ultrasonic vibration-assisted joining of several challenging-to-weld high-strength alloys are described. Furthermore, this study presents a comprehensive overview of the most recent advancements and emerging trends in finite element simulation techniques for ultrasonic vibration-assisted joining. The objective of this study is to provide a comprehensive reference for the investigation of ultrasonic vibration-assisted joining technology.