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  Thermodynamic Assessment of Steelmaking Practices for the Production of Re-sulfur Steels

Prithiv, T. S., Thirumurugan, G., Madan, M., & Kamaraj, A. (2020). Thermodynamic Assessment of Steelmaking Practices for the Production of Re-sulfur Steels. Transactions of the Indian Institute of Metals, 73(6), 1595-1603. doi:10.1007/s12666-020-01941-9.

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 Creators:
Prithiv, Thoudden Sukumar1, 2, Author              
Thirumurugan, G.1, Author
Madan, M.3, Author
Kamaraj, Ashok3, Author
Affiliations:
1Department of Metallurgical Engineering, Government College of Engineering, Salem, India, ou_persistent22              
2Mechanism-based Alloy Design, Microstructure Physics and Alloy Design, Max-Planck-Institut für Eisenforschung GmbH, Max Planck Society, ou_1863383              
3Metal Extraction and Recycling Division, CSIR-National Metallurgical Laboratory, Jamshedpur, Jharkhand, India, ou_persistent22              

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 Abstract: FactSage has become one of the most important modeling tools in simulating the high-temperature metallurgical processes. The usefulness of the FactSage has been demonstrated in this work using several examples of steelmaking processes. Primary steelmaking (basic oxygen furnace) simulation was done with the available process data, and process charts similar to the standard ones were obtained. Ladle refining furnace process for free-cutting steels was simulated and it was observed that absolute non-equilibrium condition exists in steel during casting due to S injection. It was found that non-metallic inclusion formation is thermodynamically possible at final processing stages during Ca and S injection with variable recoveries. A significant change in the nature of non-metallic inclusions formed in re-sulfur steel causes clogging during continuous casting of liquid steel, and its influence on the process has been discussed, for mere 2 ppm of Ca difference in the liquid steel composition. © 2020, The Indian Institute of Metals - IIM.

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Language(s): eng - English
 Dates: 2020-03-21
 Publication Status: Published in print
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 Rev. Type: -
 Identifiers: DOI: 10.1007/s12666-020-01941-9
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Title: Transactions of the Indian Institute of Metals
  Abbreviation : Trans. Indian Inst. Met.
Source Genre: Journal
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Publ. Info: India : Springer Science + Business Media
Pages: - Volume / Issue: 73 (6) Sequence Number: - Start / End Page: 1595 - 1603 Identifier: ISSN: 09722815, 09751645
CoNE: https://pure.mpg.de/cone/journals/resource/09722815, 09751645