| 应力状态对J55油管钢钝化膜电性能的影响 |
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| 引用本文： | 李言,尚宪飞,程忠钊,赵大庆.应力状态对J55油管钢钝化膜电性能的影响[J].内蒙古石油化工,2014(15):55-61. |
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| 作者姓名： | 李言 尚宪飞 程忠钊 赵大庆 |
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| 作者单位： | 1. 西安长庆科技工程有限责任公司 陕西西安710018
2. 长城钻探工程有限责任公司工程技术研究院 辽宁盘锦124010 |
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| 摘 要： | 油管钢在土壤环境中受到腐蚀后会在表面形成一层保护基体减缓腐蚀的钝化膜。本文讲述了采用电化学阻抗谱(EIS)和光电流技术研究J55油管钢在模拟土壤环境(高pH值)中,拉伸、压缩及弯曲应力状态下所形成钝化膜的电化学性能,以期为碳钢腐蚀与防护提供一定的理论参考。
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| 关 键 词： | 应力状态 电化学阻抗谱(EIS) 钝化膜 光电流 |
Effect of stress states on the electronic property of passive film on J55 pipeline steel |
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| LI Yan
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SHANG Xian-fei
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CHENG Zhong-zhao
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ZHAO Da-qing.Effect of stress states on the electronic property of passive film on J55 pipeline steel[J].Inner Mongulia Petrochemical Industry,2014(15):55-61. |
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| Authors: | LI Yan SHANG Xian-fei CHENG Zhong-zhao ZHAO Da-qing |
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| Affiliation: | LI Yan;SHANG Xian-fei;CHENG Zhong-zhao;ZHAO Da-qing;Xi’an Changqing Technology & Engineering co.Ltd;Engineering &Technology Research Institute of the Great Wall Drilling Engineering Co.Ltd; |
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| Abstract: | Pipeline steel corrosion is after passivation film formed a layer of protection to reduce the corrosion on the surface of the substrate in the soil environment. This paper describes the use of electrochemical impedance spectroscopy （EIS） and photocurrent of J55 pipeline steel in simulated soil environment （high pH value）, tensile, compression and bending stress in the formation of the electrochemical properties of passive film, in order to provide some theoretical reference for corrosion and protection of carbon steel. |
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| Keywords: | Stress condition Electrochemical impedance spectroscopy （EIS） Passive film Photocurrent |
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