| 水泥基pn结实验及其在钢筋锈蚀防护中的应用 |
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| 引用本文： | 李卓球,张江涛,宋显辉,张雄.水泥基pn结实验及其在钢筋锈蚀防护中的应用[J].华中科技大学学报(城市科学版),2004,21(3):5-8. |
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| 作者姓名： | 李卓球 张江涛 宋显辉 张雄 |
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| 作者单位： | 武汉理工大学,理学院,湖北,武汉,430070 |
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| 基金项目： | 国家自然科学基金重点资助项目(50238040). |
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| 摘 要： | 在分析混凝土结构中钢筋锈蚀的基本原理和常用保护方法的基础上，提出应用水泥基pn结给钢筋附加一个保护电场，提高钢筋中电子的逸出功，防止氧化，达到保护钢筋的目的．实验研究水泥基pn结的伏安特性的结果表明，由钢纤维混凝土和碳纤维混凝土组成的pn结具有比较典型的pn结伏安特性曲线，能够为混凝土中的钢筋提供所需的保护电场．
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| 关 键 词： | 混凝土 钢筋锈蚀 水泥基pn结 伏安特性 保护电场 |
| 文章编号： | 1672-7037(2004)03-0005-04 |
| 修稿时间： | 2004年2月23日 |
Experimental and Applicant Study of Cement Based pn-junction in the Prevention of Reinforcement Corrosion |
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| LI Zhuo-qiu ZHANG Jiang-tao SONG Xian-hui ZHANG Xiong.Experimental and Applicant Study of Cement Based pn-junction in the Prevention of Reinforcement Corrosion[J].Journal of Huazhong University of Science and Technology,2004,21(3):5-8. |
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| Authors: | LI Zhuo-qiu ZHANG Jiang-tao SONG Xian-hui ZHANG Xiong |
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| Affiliation: | LI Zhuo-qiu~1 ZHANG Jiang-tao~1 SONG Xian-hui~1 ZHANG Xiong~1 |
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| Abstract: | A method of the prevention of reinforcement corrosion is introduced by using the cement-based pn-junction to provide an extra electric potential difference, which could give the electron an additional potential barrier and enhance the electric work function of steel. Experimental study shows that the pn-junctions made by steel fiber reinforced cement and carbon fiber reinforced cement had the typical I-V characteristic of pn-junction. The cement-based pn-junctions can provide the extra electric potential difference. |
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| Keywords: | reinforcement corrosion pn-junction work function I-V characteristic concrete |
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