Page 384 - IJB-10-5

International Journal of Bioprinting Tunable anisotropic gyroid bioscaffolds

Table 3. Summary of the physical properties of the DLP-printed structures and the sintered specimens.
Sample DLP-printed structures Sintered specimens
Designed porosity Porosity after sintering Deviation Wall thickness Pore diameter
(%) (%) (%) (µm) (µm)
40VF-gy 60 57.30 4.50% 274.1 ± 15.5 674.3 ± 24.9
50VF-gy 50 46.36 7.28% 374.6 ± 15.1 576.8 ± 15.0
60VF-gy 40 41.64 4.10% 475.7 ± 25.5 528.4 ± 28.6

Figure 9. Mechanical properties of SiO gyroid scaffolds with anisotropic properties. (a) The stress–strain curve, (b) compressive strength and Young’s
2
modulus of 40VF-gy, 50VF-gy, and 60VF-gy. (c) Compressive strength of 57.55VF-gy, γ.25-FGgy, γ.33-FGgy, and γ.50-FGgy (the compression tests
of graded gyroid structures were performed in normal [N] direction and the transverse [T] direction), and (d) the relation between the ratios of the
compressive strength in the T direction and the N direction (i.e., σ / σ ) and the aspect ratio of the unit cell.
T
N
Volume 10 Issue 5 (2024) 376 doi: 10.36922/ijb.3609