Figure 3.
SEM images of composite materials with a filling factor of (a) 86.5% and (b) 63.1%. Insets show detail of the microstructure.
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.