Figure 9.
(a) Friction force and load force as a function of scratch length for ZnO-TaxOy coatings, (b) scratch starting position, and (c) scratch end position.
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.