Combines two TPMS structures with a nonlinear transition region for CFRP sandwich structures, with wider transition improving specific strength and stiffness.
Peihong, Liu · Wen, Qi · Ketong, Luo · Yin, Cailiu · Jiayao, Li · Lu, Chun · Lina, Lu
Journal of Sandwich Structures and Materials 2024
Bending strength gradually decreases as gradient control parameter r increases (transition region narrows)
Bending stiffness gradually decreases as r increases
Core shear stress gradually decreases as r increases
Hybrid TPMS cores with wider transition region enhance structural efficiency of composite sandwich structures