From: Comparison of the effect of argon, hydrogen, and nitrogen gases on the reduced graphene oxide-hydroxyapatite nanocomposites characteristics
Samples
Hardness (GPa)
Elastic modulus (GPa)
I
5.39 ± 0.75
105.74 ± 2.68
II
6.57 ± 0.12
114.36 ± 2.42
III
6.96 ± 0.21
119.31 ± 0.77
IV
8.10 ± 0.24
125.23 ± 3.77