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A Model for the Graphite Formation in Ductile Cast Iron: Part II. Solid State Transformation Reactions

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Abstract

In the present investigation, mathematical models have been developed to quantify the extent of carbon diffusion occurring in ductile cast iron during cooling from the eutectic temperature. Computer calculations show that small variations in the cooling conditions may significantly alter the number density and size distribution of graphite nodules in the iron matrix, in agreement with experimental observations. This makes it difficult to compare microstructure data from various section size materials without allowing for differences in the kinetic strength of the thermal cycles with respect to carbon diffusion.

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Authors and Affiliations

  1. Elkem a/s-Research, N-4602 Kristiansand, Norway

    T. Skaland (Senior Research Metallurgist)

  2. Division of Metallurgy, The Norwegian Institute of Technology, 7034 Trondheim, Norway

    Ø. Grong (Professor) & T. Grong (Professor and Head, SINTEF-Metallurgy)

Authors
  1. T. Skaland
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  2. Ø. Grong
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  3. T. Grong
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formerly Ph.D. Graduate Student, Division of

formerly Ph.D. Graduate Student, Division of

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Skaland, T., Grong, Ø. & Grong, T. A Model for the Graphite Formation in Ductile Cast Iron: Part II. Solid State Transformation Reactions. Metall Trans A 24, 2347–2353 (1993). https://doi.org/10.1007/BF02648606

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  • DOI: https://doi.org/10.1007/BF02648606

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