带锌涂层的冲压硬化钢在受控大气条件下的腐蚀机理：实验室研究

IF 7.4 1区材料科学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY

Corrosion Science Pub Date : 2024-09-23 DOI:10.1016/j.corsci.2024.112477

Nikola Macháčková , Darya Rudomilova , Tomáš Prošek , Gerald Luckeneder

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引用次数: 0

摘要

研究了在各种大气试验中镀锌压硬钢腐蚀产物的形成和演变过程。结果表明，含有 Zn-Fe 金属间化合物的涂层具有很强的保护能力。计算了可溶性和稳定腐蚀产物的成分模型。结果表明，阻挡腐蚀产物对耐腐蚀性有很大影响，尤其是西蒙柯莱石、氢锌矿和褐铁矿。暴露在持续的高相对湿度环境中，由于加速形成了赤铁矿，导致了最大的质量损失。相反，硫酸盐的存在会形成额外的阻挡腐蚀产物，质量损失几乎下降了三倍。

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Corrosion mechanism of press-hardened steel with zinc coating in controlled atmospheric conditions: A laboratory investigation

The formation and evolution of corrosion products on zinc galvanized press-hardened steel during various atmospheric tests were studied. A high protective ability of the coating containing Zn-Fe intermetallics was shown. The composition models of the soluble and stable corrosion products were calculated. A significant effect of barrier corrosion products on corrosion resistance, especially simonkolleite, hydrozincite and dawsonite, was demonstrated. Exposure to constant high relative humidity resulted in the largest mass loss due to the accelerated formation of akaganeite. On the contrary, the presence of sulphates caused formation of additional barrier corrosion products and almost a threefold drop in mass loss.

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来源期刊

Corrosion Science 工程技术-材料科学：综合

CiteScore

13.60

自引率

18.10%

发文量

763

审稿时长

46 days

期刊介绍： Corrosion occurrence and its practical control encompass a vast array of scientific knowledge. Corrosion Science endeavors to serve as the conduit for the exchange of ideas, developments, and research across all facets of this field, encompassing both metallic and non-metallic corrosion. The scope of this international journal is broad and inclusive. Published papers span from highly theoretical inquiries to essentially practical applications, covering diverse areas such as high-temperature oxidation, passivity, anodic oxidation, biochemical corrosion, stress corrosion cracking, and corrosion control mechanisms and methodologies. This journal publishes original papers and critical reviews across the spectrum of pure and applied corrosion, material degradation, and surface science and engineering. It serves as a crucial link connecting metallurgists, materials scientists, and researchers investigating corrosion and degradation phenomena. Join us in advancing knowledge and understanding in the vital field of corrosion science.