Figure 10.
SEM image of a fracture surface starting from low-strength matrix site and a propagation in slow and subsequently fast stable crack growth for HNBR4.
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.