Optimization of Milling Procedures for Synthesizing Nano-CaCO₃ from Achatina fulica Shell through Mechanochemical Techniques

Table 3

Mechanical properties of synthesized nano-CaCO₃-filled epoxy composite.

Samples	Tensile ultimate strength (GPa)	Young’s modulus (GPa)	Hardness
Neat	46.19	3.66	21.75
E	56.55	5.77	30.15
ED	41.65	5.74	29.55
W	47.80	4.05	33.95
M	56.05	6.77	28.86