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在Q235钢表面原位生长的氧化铁膜对其在含Cl^-溶液中腐蚀行为的影响Ⅱ-原位生长的α-FeOOH膜的研究
Alternative TitleINFLUENCE OF IN-SITU FORMED IRON OXIDE FILM ON Q235 LOW CARBON STEEL ON ITS CORROSION PERFORMANCE IN CI- CONTAINING SOLUTIONS II-A STUDY OF IN-SITU FORMED α-FeOOH FILM
谢颖; 李瑛; 孙挺; 王福会
2009
Source Publication腐蚀科学与防护技术
ISSN1002-6495
Volume21.0Issue:002Pages:131-133
Abstract利用动电位极化曲线和交流阻抗谱等电化学测量技术研究了Q235钢表面原位生长的α—FeOOH膜在0.25mol/LNa2SO4+10^-4mol/LNaCl、0.25mol/LNa2SO4+10^-3mol/LNaCl、0.25mol/LNa2SO4+10^-2mol/LNaCl水溶液中的电化学性能.在不同浓度的Cl^-溶液中α—FeOOH膜对侵蚀性离子的作用机制.结果表明,Q235钢表面原位生长的α-FeOOH膜在10^-4mol/L到10^-2mol/LCl^-浓度范围内,对基材均无保护作用;但当Cl^-含量为10^-2mol/L时,α-FeOOH膜的膜电阻及转移电阻皆比低氯离子浓度的要大,此时α-FeOOH膜表现出一定的抗腐蚀能力.
Other AbstractIn this paper,the electrochemical characteristics of an in-situ formed α-FeOOH film on Q235 steel have been investigated by means of potentiodynamic polarization and EIS measurements in several Cl^- containing solutions such as 0.25 mol/LNa2SO4 + 10^-4 mol/LNaCl,0.25 mol/LNa2SO4 + 10^-3 mol/ LNaCl and 0. 25 mol/LNa2SO4 + 10^-2 mol/L NaCl. The results indicate that the α-FeOOH film formed in situ on Q235 provides no protectiveness to the steel substrate in a solution with 10^-4 mol/L Cl^-. When the Cl^- concentration reached to 10^-2 mol/L, the Rfilm and Rt of the in-situ formed α-FeOOH film on Q235 were larger than those in solutions with lower Cl^- concentration,in such case the film shows protectiveness to the substrate steel to some extent.
Keywordα—FeOOH锈膜 Cl^-浓度 原位生长 保护性能
Indexed ByCSCD
Language中文
CSCD IDCSCD:3581893
Citation statistics
Cited Times:1[CSCD]   [CSCD Record]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/156597
Collection中国科学院金属研究所
Affiliation中国科学院金属研究所
Recommended Citation
GB/T 7714
谢颖,李瑛,孙挺,等. 在Q235钢表面原位生长的氧化铁膜对其在含Cl^-溶液中腐蚀行为的影响Ⅱ-原位生长的α-FeOOH膜的研究[J]. 腐蚀科学与防护技术,2009,21.0(002):131-133.
APA 谢颖,李瑛,孙挺,&王福会.(2009).在Q235钢表面原位生长的氧化铁膜对其在含Cl^-溶液中腐蚀行为的影响Ⅱ-原位生长的α-FeOOH膜的研究.腐蚀科学与防护技术,21.0(002),131-133.
MLA 谢颖,et al."在Q235钢表面原位生长的氧化铁膜对其在含Cl^-溶液中腐蚀行为的影响Ⅱ-原位生长的α-FeOOH膜的研究".腐蚀科学与防护技术 21.0.002(2009):131-133.
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