Comprehensive properties of passive film formed in simulated pore solution of alkali-activated concrete

doi:10.1016/j.conbuildmat.2021.126142

CORC > 海洋研究所 > 中国科学院海洋研究所 > 海洋腐蚀与防护研究发展中心

	Comprehensive properties of passive film formed in simulated pore solution of alkali-activated concrete
	Jin, Zuquan 3; Zhao, Xia 2,4; Du, Yujiao 3; Yang, Siyu 1; Wang, Danqian 1; Zhao, Tiejun 3; Bai, Yun 1
刊名	CONSTRUCTION AND BUILDING MATERIALS
	2022-02-14
卷号	319 页码:14
关键词	Passivation Steel bar Alkali-activated Protective ability Molecular dynamics
ISSN号	0950-0618
DOI	10.1016/j.conbuildmat.2021.126142
通讯作者	Jin, Zuquan(jinzuquan@126.com) ; Zhao, Xia(zx@qdio.ac.cn) ; Bai, Yun(yun.bai@ucl.ac.uk)
英文摘要	The 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).
资助项目	National 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研究方向	Construction & Building Technology ; Engineering ; Materials Science
语种	英语
出版者	ELSEVIER SCI LTD
WOS记录号	WOS:000737046100002
内容类型	期刊论文
源URL	[http://ir.qdio.ac.cn/handle/337002/177674]
专题	海洋研究所_海洋腐蚀与防护研究发展中心
通讯作者	Jin, Zuquan; Zhao, Xia; Bai, Yun
作者单位	1.UCL, Dept Civil Environm & Geomat Engn, London, England 2.Chinese Acad Sci, Ctr Ocean Megasci, Qingdao, Peoples R China 3.Qingdao Univ Technol, Cooperat Innovat Ctr Engn Construct & Safety Shan, Qingdao, Peoples R China 4.Chinese Acad Sci, Inst Oceanol, CAS Key Lab Marine Environm Corros & Biofouling, Qingdao, Peoples R China
推荐引用方式 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.