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.
Microstructures of in-house developed functionally graded ceramics. (a) and (b) SEM secondary electron images of top surface view of graded alumina and zirconia, respectively. (c) and (d) Backscattered electron images of cross-section view of graded alumina and zirconia, respectively.
