Page 388 - IJB-10-1

International Journal of Bioprinting Design of dual-unit porous scaffold

Figure 11. Stress distribution cloud of the scaffolds under 5% displacement load.

scaffolds were systematically investigated. The main The design of the unit and the inner and outer layers
conclusions of this study are presented in the following: has a significant impact on the mechanical properties
of the scaffolds. The order of its mechanical properties
The dual-unit continuous transition-connected
gradient porous scaffolds with better comprehensive is (P-G)>(P-D)>(G-P)>(G-D)>(D-G)>(D-P), and the
compression strength and elastic modulus of P-G structure
performance can be designed. The mechanical properties are 167.7 MPa and 3.3 GPa, respectively, both within the
of the porous scaffolds are mainly controlled by the outer limits tolerable by the human bones.
unit structure, connection condition of different units, unit
size, and porosity. P and G units can form a good continuous transition
connection, whereas the P and D units have the worst

Volume 10 Issue 1 (2024) 380 https://doi.org/10.36922/ijb.1263