Comparative corrosion behavior of Alloys 690 and 800 in high-temperature water: Combined effects of polyacrylic acid and dissolved oxygen

doi:10.1016/j.corsci.2025.112709

IMR OpenIR

	Comparative corrosion behavior of Alloys 690 and 800 in high-temperature water: Combined effects of polyacrylic acid and dissolved oxygen
	Zhang, Zhiyuan 1,2,3; Zhang, Zhiming 3; Wang, Jianqiu 1,2,3; Ming, Hongliang 1,2; Zhu, Haipeng 1,2; Han, En-Hou 1,3,4
通讯作者	Wang, Jianqiu(wangjianqiu@imr.ac.cn)
	2025-04-01
发表期刊	CORROSION SCIENCE
ISSN	0010-938X
卷号	245 页码:13
摘要	The corrosion behavior of Alloys 690 and 800 was investigated in high-temperature water containing dissolved oxygen (DO) and polyacrylic acid (PAA). DO caused Cr dissolution as HCrO4-, leading to the formation of Crdepleted oxide films on both alloys. Alloy 800, with higher Fe content, formed a more protective Ni-Fe spinel inner layer, while Alloy 690, with lower Fe content, formed a less protective NiO inner layer. The thermal degradation of PAA resulted in surface acidification, which accelerated Cr and Ni dissolution under DO, further intensifying corrosion. Under DO conditions, Alloy 800 exhibited superior oxidation resistance compared to Alloy 690, regardless of PAA presence.
关键词	Polyacrylic acid Alloy 690 Alloy 800 High-temperature water Dissolved oxygen Oxide film
资助者	LingChuang Research Project of China National Nuclear Corporation ; Youth Innovation Promotion Association CAS ; Testing Center of Institute of Corrosion Science and Technology
DOI	10.1016/j.corsci.2025.112709
收录类别	SCI
语种	英语
资助项目	LingChuang Research Project of China National Nuclear Corporation ; Youth Innovation Promotion Association CAS[2022187] ; Testing Center of Institute of Corrosion Science and Technology
WOS研究方向	Materials Science ; Metallurgy & Metallurgical Engineering
WOS类目	Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS记录号	WOS:001402719200001
出版者	PERGAMON-ELSEVIER SCIENCE LTD
引用统计
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/180353
专题	中国科学院金属研究所
通讯作者	Wang, Jianqiu
作者单位	1.Chinese Acad Sci, Inst Met Res, CAS Key Lab Nucl Mat & Safety Assessment, Shenyang 110016, Peoples R China 2.Univ Sci & Technol China, Sch Mat Sci & Engn, Shenyang 110016, Peoples R China 3.Inst Corros Sci & Technol, Guangzhou 510530, Peoples R China 4.South China Univ Technol, Sch Mat Sci & Engn, Guangzhou 510006, Peoples R China
推荐引用方式 GB/T 7714	Zhang, Zhiyuan,Zhang, Zhiming,Wang, Jianqiu,et al. Comparative corrosion behavior of Alloys 690 and 800 in high-temperature water: Combined effects of polyacrylic acid and dissolved oxygen[J]. CORROSION SCIENCE,2025,245:13.
APA	Zhang, Zhiyuan,Zhang, Zhiming,Wang, Jianqiu,Ming, Hongliang,Zhu, Haipeng,&Han, En-Hou.(2025).Comparative corrosion behavior of Alloys 690 and 800 in high-temperature water: Combined effects of polyacrylic acid and dissolved oxygen.CORROSION SCIENCE,245,13.
MLA	Zhang, Zhiyuan,et al."Comparative corrosion behavior of Alloys 690 and 800 in high-temperature water: Combined effects of polyacrylic acid and dissolved oxygen".CORROSION SCIENCE 245(2025):13.