An investigation on 3d printed walnut shell reinforced poly lactic acid (PLA) composite


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Sözen A., Demir M., Seki Y., Selli F.

International technical textile congress (ITTC) 8th, İzmir, Türkiye, 13 - 14 Ekim 2022, ss.59-63

  • Yayın Türü: Bildiri / Tam Metin Bildiri
  • Basıldığı Şehir: İzmir
  • Basıldığı Ülke: Türkiye
  • Sayfa Sayıları: ss.59-63
  • Dokuz Eylül Üniversitesi Adresli: Evet

Özet

In this current study, the producibility of 3D printed walnut shell composite is investigated. PLA granules and untreated ground walnut shells were mixed priorly and then extruded by using a single screw extruder to produce filaments for 3D printing. Then, pristine and walnut shell doped PLA filaments were 3D-printed by using the fused filament fabrication (FFF) method. The thermal decomposition behaviour of the filaments and the morphology of 3D printed parts are examined by Thermo-gravimetric analysis (TGA) and scanning electron microscopy (SEM), respectively. SEM micrographs presented non-adhesion between the particle and the polymer and also non- homogeneous particle distribution. TGA data revealed that the moisture content of PLA increased, and both pristine and doped PLA filament can resist to extrusion processes which take place at 200C.