Preparation and Characterization of Highly Flexible Al₂O₃/Al/Al₂O₃ Hybrid Composite

Figure 2

Bending experiments for the Al₂O₃ hybrid nanofilm (a) without bending and bending on a cylinder with a diameter of (b) 2 mm, (c) 1.5 mm, and (d) 1 mm, respectively. The cracks are noted by red curves.

(a)

(b)

(c)

(d)