IOCAS-IR  > 海洋环境腐蚀与与生物污损重点实验室
Comprehensive properties of passive film formed in simulated pore solution of alkali-activated concrete
Jin, Zuquan1; Zhao, Xia2,4; Du, Yujiao1; Yang, Siyu3; Wang, Danqian3; Zhao, Tiejun1; Bai, Yun3
2022-02-14
Source PublicationCONSTRUCTION AND BUILDING MATERIALS
ISSN0950-0618
Volume319Pages:14
Corresponding AuthorJin, Zuquan(jinzuquan@126.com) ; Zhao, Xia(zx@qdio.ac.cn) ; Bai, Yun(yun.bai@ucl.ac.uk)
AbstractThe study on the properties of passive films in alkali-activated slag cement can provide a theoretical basis for the development and application of low-carbon and environmental friendly concrete materials. In this paper, the passivation behaviour of anti-corrosion rebar (AR) and normal reinforcing steel (NR) in sulfur-free simulated pore solutions of alkali-activated slag cement pastes was investigated using electrochemical, microscale techniques and molecular dynamics modelling. Results showed that the formation time, composition and thickness of the passive film were affected by the types of simulated pore solutions. Molecular dynamics further elucidated the reason for difference in the protective ability of passive film in three types of simulated pore solutions. The results of protection capability of two kinds of rebar obtained from molecular dynamics were consistent with those of electrochemical impedance spectroscopy (EIS).
KeywordPassivation Steel bar Alkali-activated Protective ability Molecular dynamics
DOI10.1016/j.conbuildmat.2021.126142
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China (NSFC)[52078259] ; National Natural Science Foundation of China (NSFC)[5191102012] ; National Natural Science Foundation of China (NSFC)[41827805] ; MOUNT TAI SHAN Scholar of Shandong Province[ts20190942] ; National 111 project
WOS Research AreaConstruction & Building Technology ; Engineering ; Materials Science
WOS SubjectConstruction & Building Technology ; Engineering, Civil ; Materials Science, Multidisciplinary
WOS IDWOS:000737046100002
PublisherELSEVIER SCI LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/177675
Collection海洋环境腐蚀与与生物污损重点实验室
Corresponding AuthorJin, Zuquan; Zhao, Xia; Bai, Yun
Affiliation1.Qingdao Univ Technol, Cooperat Innovat Ctr Engn Construct & Safety Shan, Qingdao, Peoples R China
2.Chinese Acad Sci, Inst Oceanol, CAS Key Lab Marine Environm Corros & Biofouling, Qingdao, Peoples R China
3.UCL, Dept Civil Environm & Geomat Engn, London, England
4.Chinese Acad Sci, Ctr Ocean Megasci, Qingdao, Peoples R China
Corresponding Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences;  Center for Ocean Mega-Science, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Jin, Zuquan,Zhao, Xia,Du, Yujiao,et al. Comprehensive properties of passive film formed in simulated pore solution of alkali-activated concrete[J]. CONSTRUCTION AND BUILDING MATERIALS,2022,319:14.
APA Jin, Zuquan.,Zhao, Xia.,Du, Yujiao.,Yang, Siyu.,Wang, Danqian.,...&Bai, Yun.(2022).Comprehensive properties of passive film formed in simulated pore solution of alkali-activated concrete.CONSTRUCTION AND BUILDING MATERIALS,319,14.
MLA Jin, Zuquan,et al."Comprehensive properties of passive film formed in simulated pore solution of alkali-activated concrete".CONSTRUCTION AND BUILDING MATERIALS 319(2022):14.
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