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- W4313466445 abstract "Polylactic acid (PLA) has been used as a matrix material to produce composites with natural fibers, which present several advantages, being one of them the addition of value to agricultural waste. Thus, this study aims to develop a PLA 3D filament with the incorporation of a waste agriculture product (rice husk (RH)). For that, RH fibers were prepared, and PLA was loaded up to 20% RH. The filaments were obtained by extrusion. Finally, samples were produced by fused deposition modeling (FDM). The fibers and filaments’ density and thermal stability (TGA) were determined, and their chemical structure changes due to alkali treatment were accessed by Fourier Transform Infrared Spectroscopy (FTIR). Printability tests were performed, and printed samples were characterized in terms of density, water absorption, and mechanical behavior (compression, tensile, and flexural tests). The results showed that the alkali treatment changed the chemical structure of RH fibers and TGA showed that the filaments did not degrade significantly until 250ºC. The best printability was achieved with 5% of HR content and was the one that showed the lowest mechanical properties reduction. Overall, the present work showed that RH fibers can be successfully used as a filler in PLA filaments for FDM." @default.
- W4313466445 created "2023-01-06" @default.
- W4313466445 creator A5034106008 @default.
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- W4313466445 date "2023-01-04" @default.
- W4313466445 modified "2023-10-07" @default.
- W4313466445 title "Development of Composites of PLA Filled with Different Amounts of Rice Husk Fibers for Fused Deposition Modeling" @default.
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- W4313466445 doi "https://doi.org/10.1080/15440478.2022.2162183" @default.
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