粉砂低能力学冲击对N80碳钢液固两相流腐蚀产物膜演化的影响

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

Corrosion Science Pub Date : 2025-08-12 DOI:10.1016/j.corsci.2025.113259

Hai Li, Wei Liu, Bo Zhang, Mufan Chen, Haoyu Zhang, Yipu Sun, Longjun Chen, Fulong Wang

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引用次数: 0

摘要

采用小型流环实验装置，研究了粉砂低能机械冲击对N80碳钢腐蚀产物膜演化的影响。粉砂对胶片的显影具有双重作用。在腐蚀初期，其在钢表面的吸附降低了腐蚀速率，促进了FeCO3在内层内的形核生长，有助于保护膜的稳定。相反，粉砂在后期破坏了膜的完整性，导致严重的局部腐蚀和整体腐蚀速率的增加。

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Effect of low-energy mechanical impact of silty sand on the evolution of corrosion product films on N80 carbon steel in liquid-solid two-phase flow

The effect of low-energy mechanical impact exerted by silty sand on the evolution of corrosion product film on N80 carbon steel was investigated using a small-scale flow loop apparatus. Silty sand exhibited a dual effect on the film development. During the early corrosion stage, its adsorption on the steel surface reduced the corrosion rate, promoted the nucleation and growth of FeCO₃ within the inner layer, and contributed to the stabilization of a protective film. In contrast, silty sand disrupted the film integrity in the later stage, resulting in severe localized corrosion and an overall increase in corrosion rate.

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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.