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

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