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.
Schematic of the machined fracture toughness and tensile specimens and their orientation in the former billet with respect to the ECAP channel used. Additionally, the horizontal and vertical positions of the hardness indents are indicated with dotted lines.
