The inhibitory effect of caffeic acid on localized corrosion of LAZ931 Mg alloy

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

Corrosion Science Pub Date : 2025-04-18 DOI:10.1016/j.corsci.2025.112949

Di Mei , Yishun Tian , Shuya Mao , Tiancai Kong , Zhipeng Liu , Jinxue Liu , Haitao Xie , Yang Xiao , Liguo Wang , Shijie Zhu , Shaokang Guan

引用次数: 0

Abstract

Magnesium-lithium (Mg-Li) alloy is a lightweight structural material, but the localized corrosion restricts its widespread application. Corrosion inhibitors are an effective strategy for corrosion control, but there is very little research on Mg-Li alloys. This work systematically studied the effect of caffeic acid (CA) on the corrosion behavior of LAZ931 Mg-Li alloy in NaCl electrolyte. The results show that CA effectively slows down the corrosion of the alloy and reduces its localized corrosion tendency by preferentially adsorbing on the Li-rich phase. The findings obtained are of great significance for improving the service reliability of LAZ931 alloy in complex environments.

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咖啡酸对LAZ931镁合金局部腐蚀的抑制作用

镁锂（Mg-Li）合金是一种轻质结构材料，但局部腐蚀限制了它的广泛应用。缓蚀剂是一种有效的腐蚀控制策略，但有关镁锂合金的研究却很少。本研究系统研究了咖啡酸（CA）对 LAZ931 镁锂合金在氯化钠电解液中腐蚀行为的影响。结果表明，CA 通过优先吸附富锂相，有效减缓了合金的腐蚀速度，降低了局部腐蚀倾向。这些发现对于提高 LAZ931 合金在复杂环境中的使用可靠性具有重要意义。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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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.