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等:自缓蚀环氧结构控制及海洋环境防腐性能研究
(Ω·cm 2 ) (Ω·cm 2 ) g (°)
/×10 5 lg / -相位角/
×10( ·cm)
lg(f/Hz)
lg(f/Hz)
5
2
/
(a)—Nyquist曲线 (b)—Bode图 (c)—相位角
? ? ? ?
图6 环氧涂层在 3. 5%NaCl中 60 d的阻抗谱
Fig. 6 EIS results of epoxy coating after immersed in 3. 5%NaCl for 60 days
现为较差的防腐性能。但整体而言,含有二氮芴结 cerium-doped Pb-Co alloy coatings in seawater[J].
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Corrosion protection and adhesion properties of the epoxy
从图 6(c)相位角图也可以看出,具有最大低频
coating applied on the steel substrate pre-treated by a sol-
阻抗模值的 EP-2 涂层在高频区域较大范围内相位
gel based silane coating filled with amino and isocyanate
角较高。一般相位差越大,涂层的耐腐蚀性越好。
silane functionalized graphene oxide nanosheets[J]. Applied
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e
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