Figure 4.
Optical micrograph of rust formed on the steels exposed for 36 months in different environments of Chile: (a,b), Arica; (c,d), Quintero; (e,f), Laja; and (g,h), Antarctic Stations. Magnification 200×.
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.