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Phase diagram study of Fe-Zn intermetallics

  • Basic And Applied Research
  • Published:
Journal of Phase Equilibria

Abstract

There are various intermetallic compounds in the Fe-Zn system. The phase diagram of this system is very important for understanding the surface structure of zinc-coated steel; therefore, equilibrium phases and their stable compositions must be known. The bulk samples of the Fe-Zn binary intermetallic compounds were synthesized by lengthy heat treatment for over 7.2×105 s at 450 °C after 1.7×105 s at 850 °C. The X-ray diffraction (XRD) patterns of samples kept for various periods at 450 °C were observed to determine the optimal heat treatment period, and the sample of Θ1, which requires the longest time to form of all of the Fe-Zn binary intermetallic compounds, was obtained by the 7.2×105 s heat treatment. Chemical composition of the samples was examined and X-ray diffraction was applied to ensure the formation of the intermetallic compounds. The results were in agreement with the literature on the Fe-Zn binary phase diagram.

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Authors and Affiliations

  1. Institute of Industrial Science, The University of Tokyo, 106-8558, Tokyo, Japan

    Kazuaki Mita, Takashi Ikeda & Masafumi Maeda

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  1. Kazuaki Mita
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  2. Takashi Ikeda
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  3. Masafumi Maeda
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Mita, K., Ikeda, T. & Maeda, M. Phase diagram study of Fe-Zn intermetallics. JPE 22, 122–125 (2001). https://doi.org/10.1361/105497101770338978

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  • DOI: https://doi.org/10.1361/105497101770338978

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