Figure 4:

Surface (A) and cross-section (B) SEM images of the deposited coating on the fiber with iron and silica nanoparticles dispersed into polyurethane, and surface (C) and cross-section (D) SEM images of the same sample after the heating process of the coating.

Figures adapted with permission from Ref. [39]. Copyright (2013) IOP Publishing.

© De Gruyter