Figure 1.
Characteristic SEM images of the break surfaces for the (a) CF0.CNT0 sample, (b) CF0.CNT1 sample, (c) CF30.CNT0 sample, and (d) CF30.CNT1 sample.
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.