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July 26, 2026Canadian Metallurgical Quarterly

Research on the mechanism of the rare-earth Ce regulating inclusions in U71Mn heavy rail steel and improving its corrosion resistance

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Authors

YZYiyang ZhouLLLixia LiuSLShuang Liu

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Overview

Randomized trial examines how rare-earth Ce modifies inclusions and enhances corrosion resistance in U71Mn steel, suggesting better service life.

Key Points

  • This research aims to explore how rare-earth Ce modifies inclusions in U71Mn heavy rail steel and improves its corrosion resistance.
  • Used rare-earth Ce to modify inclusions in U71Mn steel.
  • Conducted electrochemical tests to assess corrosion resistance.
  • Analyzed microstructure and inclusion characteristics with Raman spectroscopy.
  • Ce addition reduced pearlite lamellar spacing from 0.418 μm to 0.247 μm.
  • Impedance modulus of Ce-containing sample was 217.1 Ω·cm² compared to 195.4 Ω·cm² without Ce.
  • Reduced potential difference between modified inclusions and matrix to 50–60 mV, suppressing micro-galvanic corrosion.

Cite This Study

Zhou et al. (2026) studied this question.

synapsesocial.com/papers/6a65a551d3aea3239cd77580https://doi.org/10.1080/00084433.2026.2690840
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Influencing the Evolution of Inclusions and Microstructure Refinement in U71Mn Heavy Rail Steel with Mixed Rare Earth Elements2026
  2. 2Synergistic Regulation of Inclusion Characteristics by La–Ce Mixed Rare Earth and Its Impact on the Mechanical Properties of U71Mn Steel2026
  3. 3Effect of Rare Earth Elements (La and Ce) on Microstructure and Mechanical Properties of U75V Steel2026
  4. 4Effect of Rare‐Earth Cerium on Inclusion Evolution in 25Mn‐0.45C‐0.3Al Ultra‐High‐Manganese Steel2026
  5. 5Research Progress on the Corrosion Resistance of Ultra- High-Strength Steels Modified by Ce Microalloying2026