液滴条件对缓蚀剂机理的影响:以小唑分子为例

IF 7.4 1区 材料科学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY
Chathumini Samarawickrama , Qiushi Deng , Philipp Eiden , Paul White , Patrick Keil , Ivan Cole
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引用次数: 0

摘要

本研究使用一种新型电化学电池装置,研究了液滴和体积之间缓蚀剂性能的差异,该装置可适应两种环境。广泛应用于汽车和建筑行业的钢材和镀锌钢材面临着严峻的腐蚀挑战,与体积腐蚀相比,液滴腐蚀呈现出独特的机制。在液滴腐蚀中,由于液滴中心的氧气耗尽,形成氧气梯度,根据盐浓度和液滴大小等因素促进均匀或局部腐蚀。尽管存在相关性,但液滴腐蚀仍未得到充分研究,特别是在缓蚀剂性能方面。本研究通过采用快速电化学测试方法和广泛的唑衍生物结构数据库来评估缓蚀剂结构和缓蚀剂的工作机制如何影响不同液滴体积的腐蚀保护,从而解决了这一空白。这项研究的结果有望加强腐蚀缓解策略,并促进抑制剂在实际应用中的更有效使用。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Impact of droplet conditions on corrosion inhibitor mechanisms: A case study on small azole molecules
This study investigates the differences in corrosion inhibitor performance between droplet and bulk volumes using a novel electrochemical cell setup that accommodates both environments. Steel and galvanised steel, widely used in the automotive and construction industries, face significant corrosion challenges, with droplet corrosion presenting unique mechanisms compared to bulk volume corrosion. In droplet corrosion, oxygen gradients form due to oxygen depletion at the droplet centre, promoting uniform or localised corrosion based on factors such as salt concentration and droplet size. Despite its relevance, droplet corrosion remains understudied, particularly in the context of inhibitor performance. This study addresses the gap by employing a rapid electrochemical testing method and a database with a wide range of azole derivative structures to evaluate how corrosion inhibitor structures and the working mechanism of corrosion inhibitors affect corrosion protection in varying droplet volumes. Findings from this research are anticipated to enhance corrosion mitigation strategies and promote more effective use of inhibitors in real-world applications.
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来源期刊
Corrosion Science
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.
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