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  1. No Access

    Article

    In Situ Observation of the Agglomeration of MgO–Al2O3 Inclusions on the Surface of a Molten GCr15-Bearing Steel

    In the current study, thermodynamic calculations and laboratory experiments were conducted to investigate the evolution of MgO–Al2O3 inclusions in a GCr15-bearing steel with varied Mg contents. Inclusions were tr...

    Minghui Wu, Changyu Ren, Ying Ren… in Metallurgical and Materials Transactions B (2023)

  2. No Access

    Article

    In situ observation of the dissolution kinetics of Al2O3 particles in CaO-Al2O3-SiO2 slags using laser confocal scanning microscopy

    The dissolution kinetics of Al2O3 in CaO-Al2O3-SiO2 slags was studied using a high-temperature confocal scanning laser microscope at 1773 to 1873 K. The results show that the controlling step during the Al2O3 dis...

    Changyu Ren, Caide Huang, Lifeng Zhang… in International Journal of Minerals, Metallu… (2023)

  3. No Access

    Article

    Inclusion Evolution in Al-Killed Ca-Treated Steels at Heat Treatment Temperature In Situ Observed Using Confocal Scanning Laser Microscope

    In situ observation and elemental map** were combined to better understand the evolution mechanism of inclusions from CaO–MgO–Al2O3 to CaO–MgO–Al2O3–CaS in Al-killed Ca-treated steels at 1273 K to 1473 K. Durin...

    Hong Liu, Weifu Li, Changyu Ren, Lifeng Zhang… in Metallurgical and Materials Transactions B (2022)

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    Article

    Dissolution of SiO2 Inclusions in CaO-SiO2-Based Slags In Situ Observed Using High-Temperature Confocal Scanning Laser Microscopy

    In the current study, the dissolution mechanism of SiO2 inclusion particles in CaO-SiO2-based refining slags at 1793 K-1853 K was investigated using high-temperature confocal scanning laser microscopy. The rate-l...

    Ying Ren, Pei Zhu, Changyu Ren, Nan Liu… in Metallurgical and Materials Transactions B (2022)

  5. Article

    Correction to: In Situ Observation of the Dissolution of Al2O3 Particles in CaO-Al2O3-SiO2 Slags

    Changyu Ren, Lifeng Zhang, Ji Zhang… in Metallurgical and Materials Transactions B (2021)

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  6. No Access

    Article

    In Situ Observation of the Dissolution of Al2O3 Particles in CaO-Al2O3-SiO2 Slags

    The dissolution of Al2O3 particles in CaO-Al2O3-SiO2 slags was investigated by confocal scanning laser microscope at the temperature range from 1723 K to 1853 K. It was found that the rate-limiting step was the d...

    Changyu Ren, Lifeng Zhang, Ji Zhang… in Metallurgical and Materials Transactions B (2021)