Figure 19.
Cryo-SEM images of (a–c) generated micro-cracks, (d) surface surrounding the crack, (e) cross-section of lubricant filled crack, and (f) schematic of repair process. Reprinted with permission from [253]. Copyright 2019 Elsevier.
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.