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.
Compressive strength testing results: (a) Compressive strength of the 5 samples from the control group varied between 41.3 MPa and 98.4 MPa; (b) Compressive strength of the 5 samples from the heat-treated group varied between 73.4 MPa and 118.1 MPa.
