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http://dx.doi.org/10.5850/JKSCT.2022.46.3.481

Compressive Properties of 3D Printed TPU Samples with Various Infill Conditions  

Jung, Imjoo (Dept. of Fashion and Textiles, Dong-A University)
Lee, Sunhee (Dept. of Fashion Design, Dong-A University)
Publication Information
Journal of the Korean Society of Clothing and Textiles / v.46, no.3, 2022 , pp. 481-493 More about this Journal
Abstract
This study investigated process conditions for 3D printing through manufacturing thermoplastic polyurethane (TPU) samples under different infill conditions. Samples were prepared using a fused deposition modeling 3D printer and TPU filament. 12 infill patterns were set (2D: grid, lines, zigzag; 3D: triangles, cubic, cubic subdivision, octet, quarter cubic; 3DF: concentric, cross 3D, cross, honeycomb), with 3 infill densities (20%, 50%, 80%). Morphology, actual time/weight and compressive properties were analyzed. In morphology: it was found that, as infill density increased, the increase rate of the number of units rose for 2D and fell for 3DF. Printing time varied with the number of nozzle movements. In the 3DF case, the number of nozzle movements increased rapidly with infill density. Sample weight increased similarly. However, where the increase rate of the number of units was low, sample weight was also low. In compressive properties: compressive stress increased with infill density and stress was high for the patterns with layers of the same shape.
Keywords
Fused deposition modeling 3D printing; Thermoplastic polyurethane (TPU); Infill pattern; Infill density; Compressive property;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
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