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Foaming of slags under dynamic conditions

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Abstract

Slag foaming under dynamic conditions has been studied in laboratory scale to examine the influence of properties commonly used to describe the foaminess and foam stability of slags under steady-state conditions. Synthetically produced slags with compositions relevant to tool steel and stainless steel production were studied through X-ray equipment in measurements simulating the dynamic conditions found in real processes. It is found that the dynamic systems display a more complex behavior than systems under steady state. Traditional theories for foaming do not seem to be valid for slag foaming under dynamic conditions. The foam displays a fluctuating behavior, which the presently available models are not able to take into account. The concept of a foaming index does not seem to be applicable, resulting in the need for alternative models.

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Author notes

  1. A. Kapilashrami

    Present address: the Royal Institute of Technology, 10044, Stockholm, Sweden

Authors and Affiliations

  1. Corus Research Development and Technology, 1970 CA, Ijmuiden, The Netherlands

    A. Kapilashrami

  2. the Department of Materials Science and Engineering, Royal Institute of Technology, India

    M. Görnerup & S. Seetharaman (Professor)

  3. the Department of Metallurgy, Indian Institute of Science, 560 012, Bangalore, India

    A. K. Lahiri (Professor)

Authors
  1. A. Kapilashrami
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  2. M. Görnerup
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  3. S. Seetharaman
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  4. A. K. Lahiri
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Kapilashrami, A., Görnerup, M., Seetharaman, S. et al. Foaming of slags under dynamic conditions. Metall Mater Trans B 37, 109–117 (2006). https://doi.org/10.1007/s11663-006-0090-z

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  • DOI: https://doi.org/10.1007/s11663-006-0090-z

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