Figure 4.
SEM of fracture surface along the flow direction. (a)/(a’) MV5, (b)/(b’) MV10, and (c)/(c’) MV20.
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.