Effect of trace Sc on corrosion behavior of titanium material in cathode roller for electrolytic copper foil
Source abstract
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.
Source: expertdata · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Corrosion Behavior and Inhibition · Hydrogen embrittlement and corrosion behaviors in metals · Magnesium Alloys: Properties and Applications
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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