Oxide-Inclusion Evolution in the Steelmaking Process of 304L Stainless Steel for Nuclear Power
Abstract
:1. Introduction
2. Experiments
2.1. Experimental Procedure and Sampling
2.2. Analysis of Samples
3. Results
3.1. Composition of the Molten Steel and Slag
3.2. Type of Inclusions in the Smelting Process
3.3. Number Density and Size of Inclusions in the Smelting Process
3.4. The Composition of Inclusions
4. Discussion
4.1. Oxide-Inclusion Evolution in the Steelmaking Process
4.2. The Effect of Slag on the Als and Mg Content in Steel during the AOD-LF Process
4.3. The Effect of Temperature on the Inclusion Contents in the Tundish
5. Conclusions
Author Contributions
Funding
Acknowledgments
Conflicts of Interest
References
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Stage | C | Si | Mn | Ni | Cr | Al | Mg | Ca | T.O |
---|---|---|---|---|---|---|---|---|---|
After AOD | 0.011 | 0.14 | 1.50 | 8.12 | 17.99 | 0.003 | 0.0006 | 0.0011 | 0.0152 |
After LF | 0.015 | 0.37 | 1.59 | 8.21 | 18.14 | 0.004 | 0.0008 | 0.0006 | 0.0047 |
Tundish | 0.015 | 0.38 | 1.58 | 8.27 | 18.10 | 0.004 | 0.0008 | 0.0006 | 0.0040 |
Stage | CaO | SiO2 | MgO | Al2O3 | Cr2O3 | FeO |
---|---|---|---|---|---|---|
After AOD | 55.97 | 30.21 | 4.47 | 1.37 | 1.49 | 2.36 |
After LF | 58.69 | 26.63 | 6.08 | 1.89 | 0.07 | 0.13 |
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Chen, X.; Cheng, G.; Hou, Y.; Li, J. Oxide-Inclusion Evolution in the Steelmaking Process of 304L Stainless Steel for Nuclear Power. Metals 2019, 9, 257. https://doi.org/10.3390/met9020257
Chen X, Cheng G, Hou Y, Li J. Oxide-Inclusion Evolution in the Steelmaking Process of 304L Stainless Steel for Nuclear Power. Metals. 2019; 9(2):257. https://doi.org/10.3390/met9020257
Chicago/Turabian StyleChen, Xingrun, Guoguang Cheng, Yuyang Hou, and Jingyu Li. 2019. "Oxide-Inclusion Evolution in the Steelmaking Process of 304L Stainless Steel for Nuclear Power" Metals 9, no. 2: 257. https://doi.org/10.3390/met9020257