牺牲阳极保护对Q235B钢在模拟海洋潮差区间腐蚀行为的影响
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穆鑫, 魏洁, 董俊华, 柯伟
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THE EFFECT OF SACRIFICIAL ANODE ON CORRO- SION PROTECTION OF Q235B STEEL IN SIMULATED TIDAL ZONE
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MU Xin, WEI Jie, DONG Junhua, KE Wei
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| 表1 潮差区间不同部位电位变化范围及整体变化趋势 |
| Table 1 Variation range and overall trend of potential in four test positions in the simulation tide system |
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| Specimen | Stage | Position a | Position b | Position c | Position d | | No.0 | Initial stage | -0.82~-0.68 | -0.82~-0.62 | -0.84~-0.75 | -0.85~-0.80 | | | Later stage | -0.77~-0.63 | -0.82~-0.72 | -0.84~-0.77 | -0.84~-0.79 | | | Variation trend | Up 0.05 | Down 0.1 | Down 0.02 | Up 0.01 | | No.1 | Initial stage | -1.05~-0.77 | -1.07~-0.72 | -1.07~-0.70 | -1.07~-1.05 | | | Later stage | -1.02~-0.67 | -1.09~-0.72 | -1.09~-0.95 | -1.10~-0.98 | | | Variation trend | Up 0.1 | Down 0.02 | Down 0.25 | Down 0.07 | | No.2 | Initial stage | -1.07~-0.75 | -1.08~-0.72 | -1.08~-0.70 | -1.08~-1.06 | | | Later stage | -1.05~-0.70 | -1.10~-0.75 | -1.11~-0.95 | -1.11~-1.03 | | | Variation trend | Up 0.05 | Down 0.03 | Down 0.25 | Down 0.03 | | No.3 | Initial stage | -1.10~-0.73 | -1.12~-0.70 | -1.12~-0.80 | -1.12~-1.11 | | | Later stage | -1.10~-0.72 | -1.12~-0.85 | -1.12~-0.95 | -1.12~-1.11 | | | Variation trend | Up 0.01 | Down 0.15 | Down 0.15 | Unchanged |
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