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Numerical modeling and experimental validation of microstructure in gray cast iron

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Abstract

To predict the amount of different phases in gray cast iron by a finite difference model (FDM) on the basis of cooling rate (R), the volume fractions of total γ phase, graphite, and cementite were calculated. The results of phase composition were evaluated to find a proper correlation with cooling rate. More trials were carried out to find a good correlation between the hardness and phase composition. New proposed formulas show that the hardness of gray cast iron decreases as the amount of graphite phase increases, and increases as the amount of cementite increases. These formulas are developed to correlate the phase volume fraction to hardness. The results are compared with experimental data and show reasonable agreement.

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Authors and Affiliations

  1. Department of Mechanical Engineering, Technical University of Denmark, Kgs. Lyngby, 2800, Denmark

    Masoud Jabbari

  2. Department of Materials Science and Engineering, Sharif University of Technology, Tehran, 11365, Iran

    Parviz Davami & Naser Varahram

Authors
  1. Masoud Jabbari
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  2. Parviz Davami
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  3. Naser Varahram
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Correspondence to Masoud Jabbari.

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Jabbari, M., Davami, P. & Varahram, N. Numerical modeling and experimental validation of microstructure in gray cast iron. Int J Miner Metall Mater 19, 908–914 (2012). https://doi.org/10.1007/s12613-012-0646-7

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  • DOI: https://doi.org/10.1007/s12613-012-0646-7

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