Publicação
Additive manufacturing of rice husk filled PLA composites: development and characterization
| Resumo: | The number of published scientific papers about natural fibers as a filler to produce composite filaments for additive manufacturing (AM) has increased in recent years. The aim of this thesis is to develop and characterize rice husk filled PLA composites obtained by AM. Thus, rice husks (RH) were blended with PLA (IngeoTM Biopolymer 4043D) to produce natural fiber filled polymer (NFFP) filaments for AM with fiber amounts between 5 and 20 wt.%. Raw materials, filaments produced and printed parts were characterized. The results showed that the filaments with a fiber content above 15 wt.% were not printable. Adding RH fibers to PLA negatively affected the mechanical strength, water absorption and densities on printed parts, mainly due to high variation in the filament diameter. |
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| Autores principais: | Pereira, Daniel Alexandre Feliciano |
| Assunto: | Rice husk Natural fiber-filled polymer Additive Manufacturing PLA Casca de arroz Polímero com enchimento de fibra natural Fabrico aditivo |
| Ano: | 2022 |
| País: | Portugal |
| Tipo de documento: | dissertação de mestrado |
| Tipo de acesso: | acesso aberto |
| Instituição associada: | Instituto Politécnico de Setúbal |
| Idioma: | inglês |
| Origem: | Instituto Politécnico de Setúbal |
| Resumo: | The number of published scientific papers about natural fibers as a filler to produce composite filaments for additive manufacturing (AM) has increased in recent years. The aim of this thesis is to develop and characterize rice husk filled PLA composites obtained by AM. Thus, rice husks (RH) were blended with PLA (IngeoTM Biopolymer 4043D) to produce natural fiber filled polymer (NFFP) filaments for AM with fiber amounts between 5 and 20 wt.%. Raw materials, filaments produced and printed parts were characterized. The results showed that the filaments with a fiber content above 15 wt.% were not printable. Adding RH fibers to PLA negatively affected the mechanical strength, water absorption and densities on printed parts, mainly due to high variation in the filament diameter. |
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