Behavior of Arbitrarily Shaped Ce2O3 Clusters at the Ar Gas/Liquid Steel Interface

Qiu, Zilong; Malfliet, Annelies; Blanpain, Bart; Guo, Muxing

doi:10.1007/s11663-022-02650-y

Metall Mater Trans B

2022

DOI: 10.1007/s11663-022-02650-y

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Behavior of Arbitrarily Shaped Ce2O3 Clusters at the Ar Gas/Liquid Steel Interface

Zilong Qiu

Annelies Malfliet

Bart Blanpain

et al.

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Cited by 4 publications

References 37 publications

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Interactions Between Alumina Inclusions at the Liquid Iron/Argon Gas Interface: Role of Contact Line Undulation

Ibraheem,

Qiu,

Blanpain

et al. 2024

steel research int.

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A deep understanding of the behavior of nonmetallic inclusions is essential for steel cleanliness control. The behavior of alumina inclusions at the liquid iron/argon gas interface is investigated using a high‐temperature confocal scanning laser microscope. The obtained images are used to determine the moving velocity of the inclusions on the interface. The obtained experimental data are quantitatively evaluated using the lateral capillary interaction model for multipole orders established by Danov–Kralchevsky while taking into account the resistive drag force. The attraction forces calculated from these data are in the range between ≈10−13 and ≈10−11 N. The best‐fitting model is assigned for each case. The multipole models almost counterbalance the drag force, indicating a good interpretation of the interaction between the inclusions. Moreover, the acting length of this interaction is examined and compared to the previous work on Ce2O3 inclusions. It is found that alumina inclusions generally exhibit a larger acting length at a large critical radius and a smaller acting length at a small critical radius when comparing them to their counterpart cerium oxide inclusions. Considering the particle shapes, high shape irregularity is better interpreted by higher orders of the multipoles.

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Interactions Between Alumina Inclusions at the Liquid Iron/Argon Gas Interface: Role of Contact Line Undulation

Ibraheem,

Qiu,

Blanpain

et al. 2024

steel research int.

View full text Add to dashboard Cite

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Aggregation Behavior of Inclusions on the Surface of Liquid‐Oriented Silicon Steel: An In Situ Observation

Liu,

Wang,

Pang

et al. 2024

steel research int.

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The dynamic behavior of nonmetallic inclusions at the bubble–steel interface is a key factor contributing to the formation of large‐sized inclusions or clustered particles and is particularly important for the production of high‐quality‐oriented silicon steel. In this study, high‐temperature confocal laser scanning microscopy is employed for in situ observation of the agglomeration behavior of Al2O3 inclusions of varying sizes. The critical distance of attraction decreases with the decrease in inclusion size. The effects of particle size, distance, surface tension, density, and different types of inclusions on the capillary force are explored in detail using the Kralchevsky–Paunov model. In the model results, it is highlighted that the degree of influence among the factors affecting the capillary force decreases in the following order: contact angle > size > distance > density > surface tension. Furthermore, the observed results are compared with the model calculation results. The trends of the model calculations and the experimental results show good agreement, but most of the experimental values are higher than the theoretical values. The errors primarily stem from inclusion shape, interference from other inclusion forces, and interactions between the crucible wall and inclusions.

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Effect of Ladle Washing Operation on Non-metallic Inclusions in Tire Cord Steel: Laboratory Simulation

Song,

Deng,

Zhu

2024

Metall Mater Trans B

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Behavior of Arbitrarily Shaped Ce2O3 Clusters at the Ar Gas/Liquid Steel Interface

Cited by 4 publications

References 37 publications

Interactions Between Alumina Inclusions at the Liquid Iron/Argon Gas Interface: Role of Contact Line Undulation

Interactions Between Alumina Inclusions at the Liquid Iron/Argon Gas Interface: Role of Contact Line Undulation

Aggregation Behavior of Inclusions on the Surface of Liquid‐Oriented Silicon Steel: An In Situ Observation

Effect of Ladle Washing Operation on Non-metallic Inclusions in Tire Cord Steel: Laboratory Simulation

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