Study Results from Beijing University of Technology in the Area of Materials Research Published (Refining microstructure of medium-thick AA2219 aluminium alloy welded joint by ultrasonic frequency double-pulsed arc)

Media coverage

• Title	Study Results from Beijing University of Technology in the Area of Materials Research Published (Refining microstructure of medium-thick AA2219 aluminium alloy welded joint by ultrasonic frequency double-pulsed arc)
  Media name/outlet	Tech Daily News
  Country/Territory	United States
  Date	3/7/23
  Persons	Yu Zhang