Table 1.

Porosity and mechanical properties of natural bone.

	Porosity (%)	Pore Diameter (µm)	Compressive Strength (MPa)	Compressive Modulus (GPa)
Cancellous bone	75–80 50–90	300–600	2–6 2–12	0.1–0.3 0.05–0.5
Cortical bone	10	10–50	110–150 100–230	18–21 7–30