Power ultrasonic vibration is widely studied and used in metallic materials forming,such as in liquid metal treatment,metal welding,metal's plastic forming and semi-solid metal forming,etc..Combined with the authors' research results,the principles,advantages,advances in study and applications are introduced about the power ultrasonic vibration used in various metal forming methods.The application of power ultrasonic vibration is considered to be prospective in metallic materials forming as the ultrasonic f...