Inhaltszusammenfassung

This research investigates the mechanical and thermal properties of Morus alba combined with polylactic acid in comparison with other natural fibers. The study uses three different fiber and PLA compositions - 20%, 30%, and 40% respectively - to produce composite materials. In addition, another composite with the same fiber volume is treated with a 4% NaOH solution to improve mechanical properties. The composites are processed by twin-screw extrusion, granulation, and injection molding. Tensi...This research investigates the mechanical and thermal properties of Morus alba combined with polylactic acid in comparison with other natural fibers. The study uses three different fiber and PLA compositions - 20%, 30%, and 40% respectively - to produce composite materials. In addition, another composite with the same fiber volume is treated with a 4% NaOH solution to improve mechanical properties. The composites are processed by twin-screw extrusion, granulation, and injection molding. Tensile strength measure- ments of raw fibers and NaOH-treated fibers were carried out using a sin- gle-fiber tensile test with a gauge length of 40 mm. It was observed that the NaOH surface treatment increases the resistance against tensile loading and exhibited improved properties for raw fiber strands. The diameter of the fi- bers was measured using optical microscopy. During this research, flexural tests, impact tests, differential scanning calorimetry (DSC), and heat deflec- tion temperature measurements (HDT) were conducted to evaluate the me- chanical and thermal properties of the developed composite samples. The re- sults indicate that the mechanical properties of NaOH-treated Morus al- ba-reinforced polylactic acid outperform both virgin PLA samples and un- treated Morus alba samples.» weiterlesen» einklappen

Autoren

Klassifikation

DFG Fachgebiet:
4.31 - Werkstofftechnik

DDC Sachgruppe:
Ingenieurwissenschaften