在钢筋表面制备不同ZIF-8添加量的Ce-Sol-gel膜在0.1 M NaCl + 混凝土模拟中测得的动电位极化曲线: (a1) 裸钢筋极化后光学照片;(a2) 表面Ce-Sol-gel膜钢筋极化后光学照片;(a3)溶胶凝胶中添加3.2wt.% ZIF-8的Ce-Sol-gel膜钢筋极化后光学照片
The potentiodynamic polarization curve measured in 0.1M NaCl + concrete simulation using Ce-Sol-gel films with different ZIF-8 additive amounts prepared on the surface of the steel bar is as follows: (a1) optical photos of the bare steel bar after polarization; (a2) Optical photos of Ce-Sol-gel film on the surface after polarization; (a3) Optical photo of Ce-Sol-gel film rebar with 3.2wt.% ZIF-8 added to sol-gel after polarization