提高含Cu耐候钢在模拟热带海洋大气中的耐候性：由Cu溶解和再沉积驱动的硫酸镀化方法

IF 2.5 3区材料科学 Q2 METALLURGY & METALLURGICAL ENGINEERING

steel research international Pub Date : 2025-03-13 DOI:10.1002/srin.202500016

Yipu Sun, Wei Liu, Bo Zhang, Longjun Chen, Hai Li, Fulong Wang, Bowen Hou

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引用次数: 0

摘要

基于Cu在H2SO4溶液中的溶解和再沉积特征，研究了硫酸镀膜处理对含Cu耐候钢在模拟热带海洋大气中的耐候性的影响。结果表明：酸处理通过诱导更多的Cu参与锈层的形成，使Cu在锈层中呈层状分布，从而降低锈层缺陷，增加α-FeOOH的含量，减小锈粒尺寸，增加对腐蚀物质的扩散阻力，增大防护锈层的厚度，从而改善了锈层的防护性能。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Enhancing Weatherability of Cu-Containing Weathering Steel in Simulated Tropical Marine Atmospheres: A Sulfuric Acid Patination Approach Driven by Cu Dissolution and Redeposition

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Enhancing Weatherability of Cu-Containing Weathering Steel in Simulated Tropical Marine Atmospheres: A Sulfuric Acid Patination Approach Driven by Cu Dissolution and Redeposition

Based on the dissolution and redeposition characteristics of Cu in H₂SO₄ solution, this study examines the impact of sulfuric acid patination treatment on the weatherability of Cu-containing weathering steel in the simulated tropical marine atmosphere. Results reveal that acid treatment improves the protective properties of the rust layer by inducing more Cu to participate in rust layer formation and causing a layered distribution of Cu in rust layers, which reduces the rust layer defects, increases the content of α-FeOOH, reduces rust particle size, increases the diffusion resistance to corrosive species, and enlarges the thickness of the protective rust layer.

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来源期刊

steel research international 工程技术-冶金工程

CiteScore

3.30

自引率

18.20%

发文量

319

审稿时长

1.9 months

期刊介绍： steel research international is a journal providing a forum for the publication of high-quality manuscripts in areas ranging from process metallurgy and metal forming to materials engineering as well as process control and testing. The emphasis is on steel and on materials involved in steelmaking and the processing of steel, such as refractories and slags. steel research international welcomes manuscripts describing basic scientific research as well as industrial research. The journal received a further increased, record-high Impact Factor of 1.522 (2018 Journal Impact Factor, Journal Citation Reports (Clarivate Analytics, 2019)). The journal was formerly well known as "Archiv für das Eisenhüttenwesen" and "steel research"; with effect from January 1, 2006, the former "Scandinavian Journal of Metallurgy" merged with Steel Research International. Hot Topics: -Steels for Automotive Applications -High-strength Steels -Sustainable steelmaking -Interstitially Alloyed Steels -Electromagnetic Processing of Metals -High Speed Forming