Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Microstructure of the Al7075 specimen surface layers under different process parameters: (a) FWHM decreases with depth at different shot peening pressures, and the pressures are 1.0, 1.5, and 2.0 bar. (b) Average crystallite sizes of the surface layer under different shot peening parameters.
