CCSA和Q235B钢在长江淡水环境中腐蚀行为研究
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张照易, 周学杰, 陈昊, 吴军, 陈志飈, 陈志坚
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Corrosion Behavior of Two Steels CCSA and Q235B in Changjiang Freshwater Surroundings
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ZHANG Zhaoyi, ZHOU Xuejie, CHEN Hao, WU Jun, CHEN Zhibiao, CHEN Zhijian
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表2 CCSA和Q235B钢在长江淡水环境中暴露不同时间后的平均点蚀坑深度 (μm)
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Table 2 Pit depths of CCSA and Q235B steels after exposure in Changjiang freshwater environments
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| Time/a | CCSA steel | Q235B steel |
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| Atmos-phere | Above the waterline | Below the waterline | Under-water | Atmos-phere | Above the waterline | Below the waterline | Under-water |
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| 0.5 | 45.4 | 96.2 | 136.3 | 117.5 | 53.1 | 104.6 | 141.2 | 125.4 | | 1 | 66.5 | 112.6 | 150.8 | 137.2 | 77.8 | 132.3 | 180.9 | 148.7 | | 2 | 120.3 | 189.2 | 281.9 | 193.5 | 154.1 | 200.3 | 298.5 | 220.6 | | 3 | 162.6 | 280.5 | 390.2 | 270.4 | 176.0 | 310.5 | 425.1 | 319.4 | | 4 | 175.7 | 398.8 | 510.3 | 400.4 | 182.0 | 418.3 | 539.3 | 421.1 | | 7 | 222.3 | 671.2 | 802.4 | 796.9 | 224.6 | 732.0 | 853.9 | 827.4 |
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