Corrosion behavior of the low alloy weathering steels coupled with stainless steel in simulated open atmosphere

被引：27

作者：

Zhang, Wenhua ^{[1
,2
]}

Yang, Shanwu ^{[1
,3
]}

Geng, Wen-Tong ^{[4
]}

Hu, Qiang ^{[1
]}

Zhou, Lujun ^{[1
]}

机构：

[1] Univ Sci & Technol Beijing, Collaborat Innovat Ctr Steel Technol, Beijing 100083, Peoples R China

[2] China Acad Launch Vehicle Technol, Beijing 100076, Peoples R China

[3] Yangjiang Adv Alloys Lab, Guangdong Lab Mat Sci & Technol, Yangjiang Branch, Yangjiang 529500, Guangdong, Peoples R China

[4] Univ Sci & Technol Beijing, Sch Mat Sci & Engn, Beijing 100083, Peoples R China

来源：

MATERIALS CHEMISTRY AND PHYSICS | 2022年 / 288卷

基金：

中国国家自然科学基金;

关键词：

Low alloy weathering steel; 316L stainless steel; Open atmosphere; Galvanic corrosion; Atmospheric corrosion; GALVANIC CORROSION; CARBON-STEEL;

D O I：

10.1016/j.matchemphys.2022.126409

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The corrosion behavior of low alloy weathering steels coupled with 316 L stainless steel in simulated open marine atmosphere was investigated. It was found that under alternating of dry and wet conditions, weathering steels alternately occur galvanic corrosion and atmospheric corrosion. Galvanic corrosion, which inhibits micro cell reaction on weathering steel, produces uniform rust layers. While atmospheric corrosion increases the compactness of rust layers due to enrichment of alloying elements. Coupling is helpful to form protective rust layers for weathering steels, which eventually leads to polarity reversal during galvanic corrosion. The Cr enhances corrosion potential, reduces corrosion rate of weathering steels.

引用

页数：11

共 32 条

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