Page 329 - IJB-10-2

International Journal of Bioprinting Continuous gradient TPMS bone scaffold

Figure 8. Stress–strain curve of gradient porous structure compression experiment: (a) G structure and (b) P structure.

Figure 9. Fracture mode of sample.

them, G_II and P_III exhibit the highest elastic modulus that the designed bone implant models meet the required
and ultimate strength. This result indicates that the mechanical properties of human trabecular bone tissue
mechanical properties and elastic modulus of the gradient (1–15 GPa). 40-42
TPMS structure can be improved by adjusting the periodic Under the condition of no partition phenomenon, the
parameter ω. Specifically, the mechanical properties of the analysis of Figures 7 and 10 reveals that the mechanical
G gradient porous structure increase initially and then properties of the G structure initially increase and then
decrease as the periodic parameters increase, while the P decrease with an increase in the periodic parameter ω.
gradient porous structure shows a continuous increase. The mechanical properties reach a maximum value when
Comparing these mechanical properties with those of the periodic parameter ω is approximately 3. On the other
cancellous bone in the human femoral head, it is found hand, the mechanical properties of the P structure increase

Volume 10 Issue 2 (2024) 321 doi: 10.36922/ijb.2306