Text this: Precipitation in the Nugget Zone of AA6061-T6 by Friction Stir Welding

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