X-Ray Tomographic Quantification of Diffusive Growth of Metallic Dendrite in High Magnetic Field

Lin, Wenhao; Zhou, Bangfei; Zheng, Tianxiang; Shi, Peijian; Shen, Zhe; Li, Qiang; Ren, Weili; Zhang, Lei; Zhang, Qingjun; Zhong, Yunbo

doi:10.1007/s11661-023-07164-z

Metall Mater Trans A

2023

DOI: 10.1007/s11661-023-07164-z

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X-Ray Tomographic Quantification of Diffusive Growth of Metallic Dendrite in High Magnetic Field

Wenhao Lin,

Bangfei Zhou,

Tianxiang Zheng

et al.

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2024

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Cited by 3 publications

References 48 publications

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Numerical Study on the Effects of Variable Mushy Zone Constants on Fluid Flow and Heat Transfer in Bloom Mold

Yao,

Wang,

Cao

et al. 2024

steel research int.

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In previous studies, the mushy zone constant was assigned a fixed value or a value associated with dendrite characteristics at room temperature. However, elucidating the constitutive behaviors of mushy dendrites at high temperatures using solid dendrite characteristics at room temperature poses challenges. In this study, a numerical model was constructed to investigate the effects of variable mushy zone constants on fluid flow and heat transfer in the mold. The results revealed that “Zone Z‐1/2” exhibited a thinner solidified shell compared with the other zones, indicating a close correlation between heat transfer and thickness differences. Under default simulation conditions, the liquid steel cooled rapidly, leading to the dissipation of superheat. The mushy zone exhibited a wide range, with almost no pure liquid phase present in the mold. In cases 2, 3, and 4 within “Zone Z‐1/2”, the average thickness of the solidified shell gradually increased during solidification, indicating the absence of evident remelting phenomena in the mold. As the variable mushy zone constants increased, the local temperature gradient increased, while the local cooling rate decreased. The accuracy of the numerical model was validated through actual measurements and empirical formulas. The simulation results for case 4 exhibited a high degree of fitting.

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Numerical Study on the Effects of Variable Mushy Zone Constants on Fluid Flow and Heat Transfer in Bloom Mold

Yao,

Wang,

Cao

et al. 2024

steel research int.

View full text Add to dashboard Cite

show abstract

Revealing the Influential Mechanism of the Direct Current on Columnar-to-Equiaxed Transition in Directionally Solidified Al–15Sn–1Cu Alloy Under 10 T Magnetic Field

Tang,

Zhang,

Sun

et al. 2024

Metall Mater Trans B

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Revealing the influential mechanism of electromagnetic vibration on the bulk solidification and the upward continuous casting of Cu-15Ni-8Sn Alloy

Tang,

Sun,

Lin

et al. 2024

Journal of Materials Science & Technology

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X-Ray Tomographic Quantification of Diffusive Growth of Metallic Dendrite in High Magnetic Field

Cited by 3 publications

References 48 publications

Numerical Study on the Effects of Variable Mushy Zone Constants on Fluid Flow and Heat Transfer in Bloom Mold

Numerical Study on the Effects of Variable Mushy Zone Constants on Fluid Flow and Heat Transfer in Bloom Mold

Revealing the Influential Mechanism of the Direct Current on Columnar-to-Equiaxed Transition in Directionally Solidified Al–15Sn–1Cu Alloy Under 10 T Magnetic Field

Revealing the influential mechanism of electromagnetic vibration on the bulk solidification and the upward continuous casting of Cu-15Ni-8Sn Alloy

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