Table 4:
Comparison of flexural strength and hardness.
Sample
Flexural strength (MPa)
%increase in flexural strength
Hardness
(Kg/mm
2
)
%increase in hardness
C
0
8.53
—
150
—
C
3
8.61
0.94
180
20%
C
5
25.89
203
200
33.33%