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.
3D-AFM images showing the surface topography before and after HA formation, respectively, (a, b) as-fired Si3N4, (c, d) polished Si3N4, (e, f) PEEK, 600 grit, (g, h) PEEK, 2000 grit, (i, j) Ti6Al4V 600 grit and (k, l) Ti6Al4V 2000 grit with colour indicator for determination of height
