Fig. 5From: Controlled Fabrication of Nanoporous Oxide Layers on Zircaloy by AnodizationFESEM images of a a nanoporous and b a nanotubular ZrO2 layers fabricated at different anodization time of a 5 min and b 2 h, respectively. Both oxide layers were prepared by anodization of zircaloy in ethylene glycol containing 0.05 wt% H2O and 0.3 wt% NH4F at 90 VBack to article page