Figure 15.
Field emission scanning electron microscopy (FESEM) images of the LH zone and base material of AISI 4130. (a) Base material 2 KX; (b) hardened zone 3 KX; (c) hardened zone 5 kx; (d) hardened zone 15 KX.
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.