發送短信 : Precipitation in the Nugget Zone of AA6061-T6 by Friction Stir Welding

  _____     _____    _    _     _____     _____   
 |__  //   |  ___|| | || | ||  |  ___||  |__  //  
   / //    | ||__   | || | ||  | ||__      / //   
  / //__   | ||__   | \\_/ ||  | ||__     / //__  
 /_____||  |_____||  \____//   |_____||  /_____|| 
 `-----`   `-----`    `---`    `-----`   `-----`