Toughness Enhancement of PLA-Based Filaments for Material Extrusion 3D Printing

Figure 7

The comparison of stress-strain curves between compression-molded specimens and 3D-printed specimens fabricated from (a) PLA, (b) PLA/TPU, (c) PLA/CSR, and (d) PLA/NR at 190°C.

(a)

(b)

(c)

(d)