三维石墨烯<strong>/Cu</strong>复合材料在模拟海水环境中的腐蚀和空蚀行为

三维石墨烯/Cu复合材料在模拟海水环境中的腐蚀和空蚀行为

潘成成, 张翔, 杨帆, 夏大海, 何春年, 胡文彬

Corrosion and Cavitation Erosion Behavior of GLNN/Cu Composite in Simulated Seawater

PAN Chengcheng, ZHANG Xiang, YANG Fan, XIA Dahai, HE Chunnian, HU Wenbin

图9 Cu及3D-GLNN/Cu复合材料在模拟海水中的电化学等效电路

Fig.9 Electrochemical equivalent circuit for Cu and 3D-GLNN/Cu composite in simulated seawater (C_d is interface capacitance, R_e is electrolyte resistance, $i_{d c}$ is current flow through the pure capacitance, $i_{F}^{a}$ is anodic faradic current, $i_{F}^{c}$ is cathodic faradic current, $Z_{F}^{a}$ is anodic faradic impedance, $Z_{F}^{c}$ is cathodic faradic impedance, CPE_dc is constant phase element (representing interface capacitance), $R_{t}^{a}$ is the anodic charge transfer resistance, $R_{t}^{c}$ is cathodic charge transfer resistance, $Z_{θ, D}^{a}$ is impedance illustrating mass transport and partial blocking effect by CuCl, $Z_{D}^{c}$ is impedance illustrating O₂ mass transport)
(a) generalized model (b) detailed model