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| Effect of atmospheric pressure on physical parameters of steels and solidification conditions during PESR process: a review |
| Yusuf Abba Yusuf1, Wan-ming Li1, Shi-shen Li1, Hua-bing Li2, Xi-min Zang1 |
1 School of Materials and Metallurgy, University of Science and Technology Liaoning, Anshan 114051, Liaoning, China
2 School of Metallurgy, Northeastern University, Shenyang 110819, Liaoning, China |
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Abstract The pressurized electroslag remelting (PESR) process has a remarkable impact on manufacturing high nitrogen steels, which can alter the physical parameters of steels and solidification conditions at different atmospheric pressures. The principle and applications of the PESR process are reviewed. The effect of atmospheric pressure, including Gibbs free energy, nitrogen solubility, melting point, viscosity, diffusion coefficient, partition coefficient, and nucleation rate, is explicitly expressed by empirical knowledge and quantified by thermodynamic relationships. The variation of interfacial heat transfer coefficient is discussed at different atmospheric pressures. Furthermore, the effect of atmospheric pressure on physical parameters of steels and solidification conditions during the PESR process is still in their embryonic research stage and it is important to do further study in this research field. Finally, a general concluding remark and suggestions for future development are proposed.
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Received: 19 August 2021
Published: 25 December 2021
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| Cite this article: |
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Yusuf Abba Yusuf,Wan-ming Li,Shi-shen Li, et al. Effect of atmospheric pressure on physical parameters of steels and solidification conditions during PESR process: a review[J]. Journal of Iron and Steel Research International, 2021, 28(12): 1504-1514.
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2021, Vol. 28 
