Investigation of out of plane compressive strength of 3D printed sandwich composites

37th Risø International Symposium on Materials Science

Dikshit, V.^1 ; Yap, Y.L.^1 ; Goh, G.D.^1 ; Yang, H.^2 ; Lim, J.C.^2 ; Qi, X.^2 ; Yeong, W.Y.^1 ; Wei, J.^2

Singapore Centre for 3D Printing, School of Mechanical and Aerospace Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore

639798, Singapore^1

Singapore Institute of Manufacturing Technology, 71 Nanyang Drive, Singapore

638075, Singapore^2

关键词: 3-D printing;    Compressive failure;    Core structure;    Face sheets;    Manufacturing techniques;    Out-of plane;    Sandwich composites;    Sandwich cores;   

Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/139/1/012017/pdf
DOI  :  10.1088/1757-899X/139/1/012017

来源: IOP

【 摘 要 】

In this study, the 3D printing technique was utilized to manufacture the sandwich composites. Composite filament fabrication based 3D printer was used to print the face-sheet, and inkjet 3D printer was used to print the sandwich core structure. This work aims to study the compressive failure of the sandwich structure manufactured by using these two manufacturing techniques. Two different types of core structures were investigated with the same type of face-sheet configuration. The core structures were printed using photopolymer, while the face-sheet was made using nylon/glass. The out-of-plane compressive strength of the 3D printed sandwich composite structure has been examined in accordance with ASTM standards C365/C365-M and presented in this paper.