耦接件涂层失效程度与其力学损伤之间的关系
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李卓玄, 曹艳辉, 李崇杰, 李辉, 张小明, 雍兴跃
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Relationship Between Corrosion Failure Degree of Organic Coatings and Mechanical Properties for Dissimilar Metal Assamblies
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LI Zhuoxuan, CAO Yanhui, LI Chongjie, LI Hui, ZHANG Xiaoming, YONG Xingyue
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表5 涂层失效的综合评价值与阻抗模值
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Table 5 Comprehensive evaluation values and low-frequency impedance moduli of organic coating systems after accelerated testing
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| Sample | Connecting mode | Comprehensive evaluation value | Low frequency impedance modulus Ω·cm-2 |
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| Coated 300M | As-received | 0.000 | 1.13 × 1010 | | Directly coupling | 1.914 | 1.21 × 107 | | Insulated coupling | 0.645 | 3.09 × 107 | | Single | 0.529 | 3.88 × 108 | | Coated 2024 Al-alloy | As-received | 0.000 | 2.10 × 1010 | | Directly coupling | 0.207 | 4.60 × 109 | | Insulated coupling | 0.139 | 5.77 × 109 | | Single | 0.114 | 6.96 × 109 | | Coated 5A06 Al-alloy | As-received | 0.000 | 5.54 × 109 | | Directly coupling | 0.304 | 2.38 × 109 | | Insulated coupling | 0.273 | 2.97 × 109 | | Single | 0.154 | 2.99 × 109 |
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