Establishing chloride concentration range for protective rust formation on weathering steel in simulated tropical marine atmospheres

被引：0

作者：

Sun, Yipu ^{[1
]}

Liu, Wei ^{[1
]}

Chen, Longjun ^{[1
]}

Li, Hai ^{[1
]}

Zhang, Bo ^{[1
]}

Wang, Fulong ^{[1
]}

Hou, Bowen ^{[1
]}

机构：

[1] Univ Sci & Technol Beijing, Inst Adv Mat & Technol, Corros & Protect Ctr, Beijing 100083, Peoples R China

来源：

CORROSION ENGINEERING SCIENCE AND TECHNOLOGY | 2024年

基金：

中国国家自然科学基金; 国家重点研发计划;

关键词：

Weathering steel; atmospheric corrosion; chloride; rust layer; Raman spectra; GCR15 BEARING STEEL; CORROSION BEHAVIOR; ENVIRONMENT; RESISTANCE; FILM; NI;

D O I：

10.1177/1478422X241302144

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

This study determined the range of Cl- concentrations that enable the formation of protective rust layers in simulated tropical marine atmosphere by examining the corrosion of weathering steel. The steel exhibited good weatherability in atmospheres with 0.5 to 2.0 wt.% NaCl. Chloride ion influenced rust layer protection by altering phase distribution and defect structure. In the Cl-free environment, the rust layer was loose and lacked protection due to the low degree of corrosion during the limited experimental period. Excessive Cl- increased beta-FeOOH content and compressed alpha-FeOOH distribution, raising internal stresses and compromising the protective properties of rust layer.

引用

页数：17

共 18 条

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Zhang, Tianyi
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CONSTRUCTION AND BUILDING MATERIALS, 2021, 277
[2] Effect of chloride ion on corrosion resistance of Ni-advanced weathering steel in simulated tropical marine atmosphere
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CONSTRUCTION AND BUILDING MATERIALS, 2021, 266
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ANTI-CORROSION METHODS AND MATERIALS, 2020, 67 (02) : 129 - 139
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CORROSION SCIENCE, 2021, 186
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Santana Rodríguez, J. J.
González González, J. E.
MATERIALS AND CORROSION-WERKSTOFFE UND KORROSION, 2006, 57 (05): : 411 - 417
[6] Effect of ion selective property on protective ability of rust layer formed on weathering steel exposed in the marine atmosphere
Zhang, QC
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Chen, JG
Li, AB
ACTA METALLURGICA SINICA, 2001, 37 (02) : 193 - 196
[7] Atmospheric Corrosion Behavior and Mechanism of a Ni-Advanced Weathering Steel in Simulated Tropical Marine Environment
Wei Wu
Zhongping Zeng
Xuequn Cheng
Xiaogang Li
Bo Liu
Journal of Materials Engineering and Performance, 2017, 26 : 6075 - 6086
[8] Atmospheric Corrosion Behavior and Mechanism of a Ni-Advanced Weathering Steel in Simulated Tropical Marine Environment
Wu, Wei
Zeng, Zhongping
Cheng, Xuequn
Li, Xiaogang
Liu, Bo
JOURNAL OF MATERIALS ENGINEERING AND PERFORMANCE, 2017, 26 (12) : 6075 - 6086
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Alcantara, J.
Chico, B.
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Simancas, J.
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Morcillo, M.
CORROSION ENGINEERING SCIENCE AND TECHNOLOGY, 2017, 52 (03) : 178 - 187
[10] Comparison study of rust layers formed on Q420 and weathering steel after 6 years of exposure in marine atmospheres
Chen, Yunxiang
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Huang, Yao
Hong, Yicheng
Lin, Deyuan
Lu, Yanjin
METALLURGICAL RESEARCH & TECHNOLOGY, 2022, 119 (01)

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