Figure 5 | Scientific Reports

Figure 5

From: Robust Surface-Engineered Tape-Cast and Extrusion Methods to Fabricate Electrically-Conductive Poly(vinylidene fluoride)/Carbon Nanotube Filaments for Corrosion-Resistant 3D Printing Applications

Figure 5

(A) A visual image of the extruded 95 wt%P2-5 wt%C1 filament (B) Scanning electron microscopy (SEM) image of the cross-section of the 95 wt%P2-5 wt%C1 filament (inset = atomic force microscopy images shows root mean square roughness of 2.4 µm). (C) 3D printed sample disk from the printing of 95 wt%P2-5 wt%C1 filament. SEM images show (D) the layers of the sample from the top view, (E) high magnification of the layer showed directionality of the CNT strands parallel to the extrusion direction, and (F) high magnification of the connection between each layer.

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