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

 ______    __   __    ______    _____     ______  
|      \\  \ \\/ //  /_   _//  |  ___||  /_   _// 
|  --  //   \ ` //   `-| |,-   | ||__    `-| |,-  
|  --  \\    | ||      | ||    | ||__      | ||   
|______//    |_||      |_||    |_____||    |_||   
`------`     `-`'      `-`'    `-----`     `-`'