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Phase Transformations in an Fe-7.8Al-29.5Mn-1.5Si-1.05C Alloy

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Abstract

Phase transformations in an Fe-7.8Al-29.5Mn-l.5Si-1.05C alloy have been investigated by means of optical microscopy and transmission electron microscopy. In the as-quenched condition, a high density of fine (Fe,Mn)3AlC carbides could be observed within the austenite matrix. When the as-quenched alloy was aged at temperatures ranging from 550 °C to 825 °C, aγ → coarse (Fe,Mn)3AlC carbide + DO3 reaction occurred by a cellular precipitation on theγ/γ grain boundaries and twin boundaries. Both of the observations are quite different from those observed by other workers in Fe-Al-Mn-C alloys. In their studies, it was found that the as-quenched microstructure was austenite phase(γ), and (Fe,Mn)3AlC carbides could only be observed within the austenite matrix in the aged alloys. In addition, aγ →α (ferrite) + coarse (Fe,Mn)3AlC carbide reaction or aγ →α + coarse (Fe,Mn)3AlC carbide +β-Mn reaction was found to occur on theγ/γ grain boundary in the aged Fe-Al-Mn-C alloys.

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References

  1. G. L. Kayak:Met. sci. Heat Treat., 1969, vol. 11 (2), pp. 95–97.

    Article  Google Scholar 

  2. DJ. Schmatz:Trans. ASM, 1960, vol. 52, pp. 898–910.

    CAS  Google Scholar 

  3. J. C. Benz and H. W. Leavenworth, Jr. :J. Met., 1985, Mar., pp.36–39.

  4. S. C. Chang and Y. H. Hsiau:J. Mater. sci., 1989, vol. 24, pp. 1117–20.

    Article  CAS  Google Scholar 

  5. G. S. Krivonogov, M. F. Alekseyenko, and G. G. Solov’yeva:Phys. Met. Metall., 1975, vol. 39 (4), pp. 86–92.

    Google Scholar 

  6. K. H. Han and W. K. Choo:Metall. Trans. A, 1989, vol. 20A, pp. 205–14.

    Article  CAS  Google Scholar 

  7. T. F. Liu and CM. Wan:Strength Met. Alloys, 1986, vol. 1, pp. 423–28.

    CAS  Google Scholar 

  8. N. A. Storchak and A. G. Drachinskaya:Phys. Met. Metall., 1977, vol. 44 (2), pp. 123–30.

    Google Scholar 

  9. K. Sato, K. Tagawa, and Y. Inoue:Scripta Metall., 1988, vol. 22 (6), pp. 899–902.

    Article  CAS  Google Scholar 

  10. K. Sato, K. Tagawa, and Y. Inoue:Metall. Trans. A, 1990, vol. 21 A, pp. 5–11.

    Article  Google Scholar 

  11. K. H. Han, J. C. Yoon, and W. K. Choo:Scripta Metall., 1985, vol. 20 (1), pp. 33–36.

    Google Scholar 

  12. K. H. Han, W. K. Choo, and D. E. Laughlin:Scripta Metall., 1988, vol. 22 (12), pp. 1875–78.

    Google Scholar 

  13. K. Sato, K. Tagawa, and Y. Inoue:Mater. sci. Eng., 1989, vol. A111, pp. 45–50.

    Article  CAS  Google Scholar 

  14. J. E. Krzanowski:Metall. Trans. A, 1988, vol. 19A, pp. 1873–76.

    Article  CAS  Google Scholar 

  15. W. K. Choo and K. H. Han:Metall. Trans. A, 1985, vol. 16A, pp. 5–10.

    Article  CAS  Google Scholar 

  16. W. K. Choo and D. G. Kim:Metall. Trans. A, 1987, vol. 18A, pp. 759–66.

    Article  CAS  Google Scholar 

  17. S. K. Banerji:Met. Prog., 1978, Apr., pp. 59–62.

    Google Scholar 

  18. R. Wang and F. H. Beck :Met. Prog. , 1983, Mar. , pp. 72–76.

  19. U. Bernabai, G. A. Capuano, A. Dang, and F. Felli:Oxid. Met., 1990, vol. 33, pp. 809–20.

    Article  Google Scholar 

  20. J. P. Sauer, R. A. Rapp, and J. P. Hirth:Oxid. Met., 1982, vol. 18, pp. 285–94.

    Article  CAS  Google Scholar 

  21. J. C. Garcia, N. Rosas, and R. J. Rioja:Met. Prog., 1982, Aug. , pp. 47–50.

  22. J. S. Dunning, ML. Glenn, and H. W. Leavenworth, Jr. :Met. Prog., 1984, Oct. , pp. 19–24.

  23. T. F. Liu and CM. Wan:Scripta Metall., 1985, vol. 19, pp. 727–32.

    Article  CAS  Google Scholar 

  24. T. F. Liu and C. M. Wan:Scripta Metall., 1985, vol. 19, pp. 805–10.

    Article  CAS  Google Scholar 

  25. T. F. Liu and C. C. Wu:Scripta Metall., 1989, vol. 23, pp. 1087–92.

    Article  CAS  Google Scholar 

  26. C. C. Wu, J. S. Chou, and T. F. Liu:Metall. Trans. A, 1991, vol. 22A, pp. 2265–76.

    Article  CAS  Google Scholar 

  27. T. F. Liu, G. C. Uen, C. Y. Chao, Y. L. Lin, and C. C. Wu:Metall. Trans. A, 1991, vol. 22A, pp. 1407–15.

    Article  CAS  Google Scholar 

  28. C. C. Wu and T. F. Liu:Metall. Trans. A, 1991, vol. 22A, pp. 1417–23.

    Article  CAS  Google Scholar 

  29. J. W. Edington:The Operation and Calibration of the Electron Microscope, 1985, vol. 1, pp. 117.

    Google Scholar 

  30. Y. J. Chang:Acta Metall., 1982, vol. 30, pp. 1185–92.

    Article  CAS  Google Scholar 

  31. T. Miyazaki, T. Kozakai, and T. Tsuzuki:J. Mater. sci., 1986, vol. 21, pp. 2257–2564.

    Article  Google Scholar 

  32. M. G. Mendiratta and S. K. Ehlers:Metall. Trans. A, 1983, vol. 14A, pp. 2435–37.

    Article  CAS  Google Scholar 

  33. S. M. Allen and J. W. Cahn:Acta Metall., 1975, vol. 23, pp. 1017–26.

    Article  CAS  Google Scholar 

  34. P. R. Swann, W. R. Duff, and R. M. Fisher:Metall. Trans., 1972, vol. 3, pp. 409–19.

    CAS  Google Scholar 

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Authors and Affiliations

  1. Institute of Mechanical Engineering, National Chiao Tung University, Taiwan, 30049, Republic of China

    C. Y. Chao (Graduate Student)

  2. Institute of Materials Science and Engineering, National Chiao Tung University, Taiwan, 30049, Republic of China

    T. F. Liu (Professor)

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  1. C. Y. Chao
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  2. T. F. Liu
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Chao, C.Y., Liu, T.F. Phase Transformations in an Fe-7.8Al-29.5Mn-1.5Si-1.05C Alloy. Metall Trans A 24, 1957–1963 (1993). https://doi.org/10.1007/BF02666330

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