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Effect of Alternating Current and Cathodic Protection on Corrosion of X80 Steel in Alkaline Soil
Liu, Bo1; Du, Cuiwei1,2; Li, Xiaogang1,2; Wang, Dan1; Xu, Jin3; Sun, Cheng3; Yang, Lihui4; Hou, Baorong4
Corresponding AuthorDu, Cuiwei(dcw@ustb.edu.cn)
2021-11-05
Source PublicationJOURNAL OF MATERIALS ENGINEERING AND PERFORMANCE
ISSN1059-9495
Pages12
AbstractX80 steel was buried in alkaline soil for 0.5, 1, and 2 years under conditions of natural burial, alternating current interference, and cathodic protection. The morphology and influence mechanism of X80 steel corrosion under nine different test conditions were studied through field data collection, macroscopic morphology observation, weight loss analysis, electrochemical methods, and corrosion product analysis. The results show that the rate of corrosion of X80 steel decreased with increase in the burial time under different test conditions. The corrosion rate of X80 steel under 15 V-CSE and 30 V-CSE alternating current interference increased at least 4.66 and 4.73 times, respectively, compared with that under natural environment. At the same time, the corrosion morphology exhibited more numerous and deeper pits. Under the cathodic protection of Mg or Zn, the corrosion rate of X80 steel decreased noticeably, whether under natural environment or under alternating current interference. The cathodic protection efficiency of Mg and Zn was higher than 76.04% under different test conditions and periods. The corrosion products of X80 steel were mainly found to be alpha-FeOOH and gamma-FeOOH, and the overall structure of the rust layer was relatively stable. Moreover, the resistance of the rust layer on the sample surface under cathodic protection was small, which indicates that cathodic protection can effectively alleviate alternating current corrosion.
KeywordAC corrosion alkaline soil cathodic protection soil corrosion X80 steel
Funding OrganizationNational Natural Science Foundation of China
DOI10.1007/s11665-021-06309-8
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[51871026]
WOS Research AreaMaterials Science
WOS SubjectMaterials Science, Multidisciplinary
WOS IDWOS:000714861000001
PublisherSPRINGER
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/167171
Collection中国科学院金属研究所
Corresponding AuthorDu, Cuiwei
Affiliation1.Univ Sci & Technol Beijing, Inst Adv Mat & Technol, Beijing 100083, Peoples R China
2.Natl Mat Corros & Protect Sci Data Ctr, Beijing 100083, Peoples R China
3.Chinese Acad Sci, Inst Met Res, Liaoning Shenyang Soil & Atmosphere Mat Corros Na, Shenyang 110016, Peoples R China
4.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Environm Corros & Biofouling, Qingdao 266071, Peoples R China
Recommended Citation
GB/T 7714
Liu, Bo,Du, Cuiwei,Li, Xiaogang,et al. Effect of Alternating Current and Cathodic Protection on Corrosion of X80 Steel in Alkaline Soil[J]. JOURNAL OF MATERIALS ENGINEERING AND PERFORMANCE,2021:12.
APA Liu, Bo.,Du, Cuiwei.,Li, Xiaogang.,Wang, Dan.,Xu, Jin.,...&Hou, Baorong.(2021).Effect of Alternating Current and Cathodic Protection on Corrosion of X80 Steel in Alkaline Soil.JOURNAL OF MATERIALS ENGINEERING AND PERFORMANCE,12.
MLA Liu, Bo,et al."Effect of Alternating Current and Cathodic Protection on Corrosion of X80 Steel in Alkaline Soil".JOURNAL OF MATERIALS ENGINEERING AND PERFORMANCE (2021):12.
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