Effect of trace Sc on corrosion behavior of titanium material in cathode roller for electrolytic copper foil

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

Corrosion Science Pub Date : 2025-01-20 DOI:10.1016/j.corsci.2025.112722

Zhenguo Hou , Haitao Liu , Weiqiang Li , Chen Chen , Zihao Zhang , Jincan Dong , Weiwei Lu , Qing Feng , Bo Jia , Kexing Song

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引用次数: 0

Abstract

The fine crystallization and exceptional corrosion resistance of cathode roll titanium are crucial for ensuring the surface quality and service life of high-end ultra-thin electrolytic copper foil. This study presents the preparation of Ti-Sc extremely fine grain cathode roll titanium through a β→α biphase deformation combined with Sc microalloying technique. The influence of trace amounts of Sc on the corrosion behavior of cathode roll titanium was investigated using electrochemical analysis and microstructural characterization. Results indicate that trace Sc significantly enhances the corrosion resistance of cathode roll titanium, with optimal effects observed at an Sc content of 0.1 wt%. The superior corrosion resistance is primarily attributed to the elimination of Fe impurity elements by Sc; The addition of Sc promotes the formation of dense Ti and Sc oxides on the titanium surface; Sc addition mitigates crack formation and propagation in corrosion product films by inhibiting hydrogen evolution at the cathode. This research provides a foundational basis for alloy design in titanium cathode rolls intended for electrolytic copper foil applications.

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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.