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Scanning electron microscopy (SEM) images of the tensile test fractured areas microstructure and morphology for the different 3D printed samples in this study at two different magnifications (all 3D printed samples with 300 µm 3D printed layer thickness): SEM images at 100× and 200× magnification for the (a,b) pure PLA, (c,d) PLA/SiO2 (1.0 wt.%) and (e,f) PLA/SiO2 (4.0 wt.%) nanocomposites, respectively.
