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

doi:10.1016/j.conbuildmat.2021.126142

	Comprehensive properties of passive film formed in simulated pore solution of alkali-activated concrete
	Jin, Zuquan 1; Zhao, Xia2,4 ; Du, Yujiao 1; Yang, Siyu 3; Wang, Danqian 3; Zhao, Tiejun 1; Bai, Yun 3
	2022-02-14
发表期刊	CONSTRUCTION AND BUILDING MATERIALS
ISSN	0950-0618
卷号	319 页码:14
通讯作者	Jin, Zuquan([email protected]) ; Zhao, Xia([email protected]) ; Bai, Yun([email protected])
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).
关键词	Passivation Steel bar Alkali-activated Protective ability Molecular dynamics
DOI	10.1016/j.conbuildmat.2021.126142
收录类别	SCI
语种	英语
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
WOS类目	Construction & Building Technology ; Engineering, Civil ; Materials Science, Multidisciplinary
WOS记录号	WOS:000737046100002
出版者	ELSEVIER SCI LTD
引用统计	被引频次：25[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.qdio.ac.cn/handle/337002/177675
专题	海洋环境腐蚀与生物污损重点实验室
通讯作者	Jin, Zuquan; Zhao, Xia; Bai, Yun
作者单位	1.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
通讯作者单位	中国科学院海洋研究所; 中国科学院海洋大科学研究中心
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.

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