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.
Fracture topography of RBF-failed specimens: (a,c) the low and high magnification fracture topographies caused by a Ca-Al-O inclusion respectively; (b,d) the lower and higher magnification fracture topographies caused by a TiN inclusion respectively; (e,f) TiN inclusion crack source; (d,e,f) the position indicated by the red arrow indicates that cracks preferentially initiate at the sharp corners of TiN inclusions.
