Development of short basalt fiber reinforced polylactide composites and their feasible evaluation for 3D printing applications
By Lin Sang, Shuangfeng Han, Zhipeng Li, Xiaoli Yang, W. Hou. Composites Part B: Engineering, 2019
166 citations recorded by the source corpus.
Abstract The objective of this work is to develop KH550-treated basalt fiber (KBF) reinforced polylactide (PLA) composite as a potential 3D-printed feedstock. Herein, physical (thermal, mechanical, and rheological) properties and the feasibility of PLA/KBF for 3D printing are investigated. KBF is found to be oriented-dispersed along the printing direction in printed specimen, in contrast with randomly-distributed KBF in casting counterparts. Mechanical tests, rheological behavior and microstructure observation of PLA/KBF filaments are performed to compare with carbon fiber (CF) reinforced counterparts with the same fiber weight fraction. The results suggest that PLA/KBF exhibit comparable tensile properties and superior flexural properties to those of PLA/CF control, which can be attributed to high complex viscosity of PLA/CF affecting the interlayer adhesion. Furthermore, the printing feasibility of PLA/KBF filaments are evaluated. With increasing fiber length and weight fraction of KBF, low infill and micro-defects are shown in CT scans, which explain the deterioration in mechanical performance. The present work proves PLA/KBF as a mechanical-improved and low-cost feedstock for 3D printing applications in complex design and variable sizes.
Subfields: Automotive Engineering, Biomedical Engineering, Building and Construction
View Paper: https://www.semanticscholar.org/paper/4a254acf8c534b573923c6a972a3a34a4972040d
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Citations in the corpus
- Fused Deposition Modelling of Fibre Reinforced Polymer Composites: A Parametric Review (2021, background): “Besides, the nature of thermoplastics, which can be heated and reshaped, allows the products to be recyclable [18,19].”