Fig. 11.
Work hardening rate (Θ = dσ/dε) of the sheets after (a) 0, 10, 30, (b) 60, 120, 240, (c) 960, 1440, 2880, (d) 0, 240, 2880 min of natural re-aging time.
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.