Fig. 8. Mechanical properties of the biomimetic UHANWs/Col porous nanocomposite with 66.7 wt% UHANWs: (a) digital image of the UHANWs/Col porous nanocomposite rehydrated in deionized water; (b–d) the rehydrated UHANWs/Col porous nanocomposite can be repeatedly squeezed (b and c) and rebound rapidly to its original cylindrical shape (d).
