Corrosion mechanism of a high corrosion-resistance Zn-Al-Mg coating in typical extremely harsh marine and cold environments

doi:10.1016/j.jmrt.2024.10.080

IMR OpenIR

	Corrosion mechanism of a high corrosion-resistance Zn-Al-Mg coating in typical extremely harsh marine and cold environments
	Liu, Yuwei 1,3; Gu, Tianzhen 1; Liu, Miaoran 2; Wang, Zhenyao 1,3; Cao, Gongwang 1,3; Guo, Quanzhong 1,3; Wang, Chuan 1,3
通讯作者	Liu, Yuwei(ywliu12s@imr.ac.cn) ; Wang, Chuan(cwang@imr.ac.cn)
	2024-11-01
发表期刊	JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T
ISSN	2238-7854
卷号	33 页码:4290-4302
摘要	The corrosion mechanism of a high corrosion-resistant Zn-Al-Mg coating exposed to typical extremely harsh environments in Wanning and Mohe was investigated. The findings revealed that the corrosion behavior of Zn-Al-Mg coating is significantly influenced by environmental conditions, exhibiting varying rates and processes in high-temperature marine and extremely cold urban environments, which lead to distinct corrosion patterns and pit morphologies over time. In the marine atmosphere of Wanning, characterized by high temperature and humidity, corrosion preferentially occurs in the eutectic phase and extends towards the interior of the coating along the eutectic phase near the zinc-rich phase. The corrosion rate on the skyward side is smaller than that on the field-facing side, and this difference between the two sides initially decreases and later increases. However, in the urban atmosphere of Mohe, with extremely low temperatures, the phenomenon of localized corrosion is more pronounced. Corrosion pits tend to form in the eutectic phase near the zinc-rich phase, with their shapes gradually transitioning from sharp to shallow. After 6 and 12 months of exposure, the corrosion rate on the skyward side is smaller than that on the field-facing side, and after 24 months of exposure, both sides exhibit similar corrosion rates.
关键词	Zn-Al-Mg coating Low temperature atmosphere Marine atmosphere Atmospheric corrosion
资助者	Centre for Precision Manufacturing and Surface Functionalization of Light Alloys, Liaoning Key Laboratory of Environmental Corrosion and Evaluation of Materials, and Shenyang Key Laboratory of Environmental Corrosion Evaluation and Standardization of Mater
DOI	10.1016/j.jmrt.2024.10.080
收录类别	SCI
语种	英语
资助项目	Centre for Precision Manufacturing and Surface Functionalization of Light Alloys, Liaoning Key Laboratory of Environmental Corrosion and Evaluation of Materials, and Shenyang Key Laboratory of Environmental Corrosion Evaluation and Standardization of Mater
WOS研究方向	Materials Science ; Metallurgy & Metallurgical Engineering
WOS类目	Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS记录号	WOS:001338767500001
出版者	ELSEVIER
引用统计
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/190833
专题	中国科学院金属研究所
通讯作者	Liu, Yuwei; Wang, Chuan
作者单位	1.Chinese Acad Sci, Inst Met Res, Corros Ctr, Shenyang 110016, Peoples R China 2.China Natl Elect Apparat Res Inst Co Ltd, Natl Key Lab Environm Adaptabil Ind Prod, Guangzhou 510663, Peoples R China 3.Liaoning Shenyang Soil & Atmosphere Corros Mat Nat, Shenyang 110016, Peoples R China
推荐引用方式 GB/T 7714	Liu, Yuwei,Gu, Tianzhen,Liu, Miaoran,et al. Corrosion mechanism of a high corrosion-resistance Zn-Al-Mg coating in typical extremely harsh marine and cold environments[J]. JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T,2024,33:4290-4302.
APA	Liu, Yuwei.,Gu, Tianzhen.,Liu, Miaoran.,Wang, Zhenyao.,Cao, Gongwang.,...&Wang, Chuan.(2024).Corrosion mechanism of a high corrosion-resistance Zn-Al-Mg coating in typical extremely harsh marine and cold environments.JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T,33,4290-4302.
MLA	Liu, Yuwei,et al."Corrosion mechanism of a high corrosion-resistance Zn-Al-Mg coating in typical extremely harsh marine and cold environments".JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T 33(2024):4290-4302.