钢筋表面双功能磷酸氢钛改性的硅溶胶涂层研究
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赵鹏, 郝春艳, 杨胜杰, 于金山, 武爽, 于奔, 张俊喜
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Silica Sol Coating Modified by Bifunctional Titanium Phosphate for Reinforce Bars
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ZHAO Peng, HAO Chunyan, YANG Shengjie, YU Jinshan, WU Shuang, YU Ben, ZHANG Junxi
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表2 不同添加量的涂层的拟合值
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Table 2 Fit values of coatings with different additives
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| Sample | Time d | CPEf nΩ-1·Sn·cm-2 | n1 | Rf Ω·cm2 | CPEdl nΩ-1·Sn·cm-2 | n2 | Rct Ω·cm2 |
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| 0 g | 1 | 1.237 × 10-7 | 0.7564 | 1.808 × 105 | 2.479 × 10-7 | 0.7136 | 1.72 × 105 | | 3 | 1.817 × 10-6 | 0.683 | 4314 | 3.425 × 10-5 | 0.6116 | 1.096 × 104 | | 5 | 2.38 × 10-5 | 0.5271 | 2517 | 7.609 × 10-6 | 0.6536 | 903.4 | | 0.2 g | 1 | 4.772 × 10-10 | 0.9257 | 8.495 × 106 | 2.138 × 10-8 | 0.5833 | 2.451 × 107 | | 3 | 4.90 × 10-10 | 0.9237 | 2.826 × 106 | 3.685 × 10-8 | 0.3659 | 2.371 × 107 | | 5 | 6.49 × 10-10 | 0.9183 | 1.18 × 106 | 1.136 × 10-7 | 0.4644 | 1.038 × 107 | | 7 | 9.152 × 10-10 | 0.9194 | 3.027 × 105 | 8.179 × 10-8 | 0.6124 | 3.373 × 105 | | 0.4 g | 1 | 4.288 × 10-10 | 0.8967 | 4.449 × 106 | 5.79 × 10-8 | 0.3801 | 1.679 × 108 | | 3 | 7.397 × 10-13 | 1 | 9.33 × 106 | 1.305 × 10-9 | 0.235 | 2.536 × 107 | | 5 | 4,474 × 10-12 | 0.8967 | 8.067 × 106 | 6.125 × 10-9 | 0.2186 | 1.943 × 108 | | 7 | 8.368 × 10-9 | 0.2985 | 7.732 × 106 | 1.072 × 10-12 | 0.9819 | 1.166 × 108 | | 0.6 g | 1 | 5.674 × 10-8 | 0.9090 | 5.207 × 106 | 3.027 × 10-8 | 0.5474 | 2.932 × 107 | | 3 | 4.03 × 10-10 | 0.9429 | 5.762 × 105 | 4.983 × 10-8 | 0.2792 | 3.865 × 107 | | 5 | 6.14 × 10-10 | 0.9154 | 6.066 × 106 | 2.273 × 10-7 | 0.6547 | 3.146 × 107 | | 7 | 6.599 × 10-10 | 0.9152 | 2.159 × 106 | 3.976 × 10-8 | 0.4733 | 6.076 × 107 |
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