發送短信 : Sequential effects of deep rolling and post-weld heat treatment on surface integrity of AA7075-T651 aluminum alloy friction stir welding

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