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Structure and properties of sinter-bonded iron powder layers produced by hot pressing

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Soviet Powder Metallurgy and Metal Ceramics Aims and scope

Conclusions

  1. 1.

    A study was made of the effect of hot-pressing parameters on some properties of PZhlM iron powder layers sinter-bonded to Type 45 steel substrate.

  2. 2.

    The variation of the density and properties of sinter-bonded layers with hot-pressing temperature, pressure, and time is similar to that characterizing the hot pressing of iron powder compacts, although the actual values of density obtained are slightly higher because of the small thickness of such powder layers.

  3. 3.

    The optimum conditions have been established by experiment for the application of an iron powder layer to a steel substrate by the hot-pressing process.

  4. 4.

    Metallographie examinations have shown that dense, defect-free layers are formed under conditions ensuring high values of bond strength (32 kgf/mm2). Under these conditions the surface layers of the substrates experience decarburization, whose intensity depends on the process temperature and time, and the layers themselves exhibit recrystallization.

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Authors and Affiliations

  1. Uzbek Combine of Refractory and Heat-Resisting Metals, USSR

    V. A. Martynov, M. S. Koval'chenko, R. G. Berezin, V. P. Petrenko & N. V. Avdeev

  2. Institute of Materials Science, Academy of Sciences of the Ukrainian SSR, Ukraine

    V. A. Martynov, M. S. Koval'chenko, R. G. Berezin, V. P. Petrenko & N. V. Avdeev

Authors
  1. V. A. Martynov
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  2. M. S. Koval'chenko
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  3. R. G. Berezin
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  4. V. P. Petrenko
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  5. N. V. Avdeev
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Additional information

Translated from Poroshkovaya Metallurgiya, No. 3(183), pp. 37–43, 1978.

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Martynov, V.A., Koval'chenko, M.S., Berezin, R.G. et al. Structure and properties of sinter-bonded iron powder layers produced by hot pressing. Powder Metall Met Ceram 17, 197–202 (1978). https://doi.org/10.1007/BF00791428

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  • DOI: https://doi.org/10.1007/BF00791428

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