| X80管线钢在格尔木土壤模拟溶液中的耐腐蚀性能 |
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| 引用本文： | 胥聪敏,石凯. X80管线钢在格尔木土壤模拟溶液中的耐腐蚀性能[J]. 化工学报, 2009, 60(6): 1513-1518 |
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| 作者姓名： | 胥聪敏 石凯 |
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| 作者单位： | 西安石油大学材料科学与工程学院,材料加工工程重点实验室,陕西,西安,710065;西安石油大学材料科学与工程学院,材料加工工程重点实验室,陕西,西安,710065 |
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| 基金项目： | 西安石油大学科技创新基金项目(YS29030518)~~ |
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| 摘 要： | 采用失重法、电化学测试、SEM及XRD微观分析等方法,研究了X80管线钢在格尔木土壤模拟溶液中的耐腐蚀性能。结果表明,在格尔木土壤模拟溶液中,随着浸泡时间的增加,X80钢平均腐蚀速率明显下降,但腐蚀趋势增加,钢基体表面由以全面腐蚀为主转为以点蚀为主;X80钢的阴极反应为氧的去极化;腐蚀产物主要由FeOOH（表层）和Fe3O4（内层）组成;X80钢的耐蚀性及腐蚀形态与各试样表面生成的腐蚀产物膜的完整性和致密性有关。研究还发现氯离子含量是影响腐蚀的主导因素。
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| 关 键 词： | X80管线钢 耐腐蚀性能 格尔木土壤 模拟溶液 腐蚀产物 |
| 收稿时间： | 2009-01-20 |
| 修稿时间： | 2009-3-1 |
Corrosion resistance of X80 pipeline steel in simulated solution of Geermu soil |
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| XU Congmin,SHI Kai. Corrosion resistance of X80 pipeline steel in simulated solution of Geermu soil[J]. Journal of Chemical Industry and Engineering(China), 2009, 60(6): 1513-1518 |
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| Authors: | XU Congmin SHI Kai |
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| Affiliation: | Key Laboratory of Materials Processing Engineering;School of Materials Science and Engineering;Xi'an Shiyou University;Xi'an 710065;Shaanxi;China |
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| Abstract: | The corrosion resistance of X80 pipeline steel was investigated in simulated solution of Geermu soil in Qinghai province,by using mass loss method,electrochemical measurement,scanning electron microscopy and X-ray diffraction.The results showed that the average corrosion rate of X80 steel decreased obviously,but corrosion tendency increased.This was induced by the change of corrosion morphology from uniform corrosion to pitting corrosion.Cathodic reaction was dominated by oxygen depolarization reaction.The ... |
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| Keywords: | X80 pipeline steel corrosion resistance Geermu soil simulated solution corrosion product |
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