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August 1, 2026steel research international

Effect of Rare‐Earth Cerium on Nonmetallic Inclusions in Novel Cryogenic High‐Mn Steel

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Authors

JCJianhua ChuJWJiandong WangCQChuanhui Qi

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Overview

Experimental analysis reveals cerium modifies nonmetallic inclusions in cryogenic high-Mn steel, indicating transformation mechanisms.

Key Points

  • This study investigates the influence of rare-earth cerium on nonmetallic inclusions in novel cryogenic high-Mn steel, particularly how cerium modifies inclusion types.
  • Conducted laboratory experiments and thermodynamic calculations to assess inclusions in steel.
  • Analyzed the effect of varying cerium content on the evolution of inclusions in high-Mn steel.
  • Observed solidification processes and subsequent transformations of inclusions.
  • Adding cerium alters inclusions from irregular shapes to more stable forms like Ce2S3 and AlN-Ce2S3 mixtures.
  • Higher cerium content facilitates the formation of Ce2S3 during solidification.
  • At 33 ppm cerium, both Ce2S3 and MnS are present, with some residual AlCeO3 inclusions.

Cite This Study

Chu et al. (2026) studied this question.

synapsesocial.com/papers/6a6d980be258b358b3c6ae87https://doi.org/10.1002/srin.70620
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Also Consider

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

  1. 1Effect of Rare‐Earth Cerium on Inclusion Evolution in 25Mn‐0.45C‐0.3Al Ultra‐High‐Manganese Steel2026
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  3. 3Modification of sulphide inclusions in Q355C steel by rare earth Ce and industrial tests2026
  4. 4First‐Principles Calculation and In Situ Observation on the Precipitation of Inclusions during Solidification of a High Sulfur Steel2024 · 4 citations
  5. 5Improving the as-cast structure and semi-macro segregation in bearing steel through cerium inclusions2025