Additive Manufacturing Enabled by Electrospinning for Tougher Bio-Inspired Materials

Figure 4

Various stages of tensile deformation of polycaprolactone (PCL) samples. (a1–a4) Bulk PCL. (b1–b4) Unidirectionally oriented PCL sample, composed of fibres aligned along the loading axis. (c1–c4) Helicoidal PCL sample, composed of fibres aligned at different angles forming helicoidal structure.

(a1)

(a2)

(a3)

(a4)

(b1)

(b2)

(b3)

(b4)

(c1)

(c2)

(c3)

(c4)