Mg-Gd-Y-Zn-Mn合金不同微弧氧化表面MgAlLa层状双羟基金属氧化物复合涂层的性能研究
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吴嘉豪, 吴量, 姚文辉, 袁媛, 谢治辉, 王敬丰, 潘复生
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Properties of Layered Dihydroxyl Metal (MgAlLa) Oxide Composite Coatings on Different Micro-arc Oxidation Surfaces of Mg-Gd-Y-Zn-Mn Alloy
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WU Jiahao, WU Liang, YAO Wenhui, YUAN Yuan, XIE Zhihui, WANG Jingfeng, PAN Fusheng
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表4 图7中EIS数据的等效电路拟合结果
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Table 4 Fitting results of EIS plots in Fig.7
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| Sample | Rout Ω·cm2 | Qout S·s n ·cm-2 | nout | Rinn Ω·cm2 | Qinn S·s n ·cm-2 | ninn | Rct Ω·cm2 | Cdl S·s n ·cm-2 | ndl | χ2 |
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| MAO-AS | 1.23×102 | 6.9×10-7 | 0.9 | 5.9×103 | 2.6×10-6 | 0.7 | - | - | - | 2.9×10-4 | | MAO-AP | 8.3×102 | 9.1×10-7 | 1.0 | 6.7×103 | 4.8×10-7 | 0.9 | - | - | - | 2.4×10-4 | | MAO-SP | 1.3×104 | 3.1×10-5 | 0.8 | 2.2×104 | 9.2×10-7 | 0.8 | - | - | - | 1.1×10-4 | | MAO-APS | 1.3×104 | 4.0×10-6 | 0.9 | 8.6×104 | 1.8×10-5 | 0.6 | - | - | - | 8.1×10-4 | | MAO-AS-L | 3.3×103 | 7.4×10-9 | 1.0 | 7.4×103 | 3.8×10-8 | 1.0 | 1.3×104 | 3.1×10-7 | 1.0 | 1.4×10-4 | | MAO-AP-L | 3.9×104 | 1.1×10-9 | 0.8 | 1.2×104 | 3.3×10-6 | 0.8 | 4.2×105 | 3.3×10-6 | 0.5 | 3.3×10-4 | | MAO-SP-L | 1.4×104 | 1.1×10-7 | 0.7 | 7.4×105 | 3.5×10-7 | 0.7 | 1.6×105 | 2.5×10-5 | 0.7 | 1.9×10-4 | | MAO-APS-L | 4.1×104 | 5.2×10-8 | 0.7 | 8.5×104 | 1.4×10-7 | 0.7 | 5.9×105 | 3.7×10-6 | 0.6 | 3.3×10-4 |
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