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Processes occurring during sintering of an iron-graphite material containing zinc sulfide

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Soviet Powder Metallurgy and Metal Ceramics Aims and scope

Conclusions

  1. 1.

    During heating in hydrogen, zinc sulfide may undergo partial decomposition. With rise in temperature and hydrogen humidity, the intensity of the decomposition increases.

  2. 2.

    During the course of sintering of a ZhGr3Tss4 material in hydrogen, the decomposition products of the zinc sulfide react with the iron particle surface and form iron sulfides and a solid solution of these sulfides in zinc sulfide. At a sintering temperature above 975°C, a liquid phase-a sulfide-carbide eutectic-forms in the material and coats the iron particle surface. During sintering under pressure, this phase imparts a characteristic fibrous structure to the material.

  3. 3.

    With decrease in porosity, the sulfur and zinc contents of a sintered ZhGr3Tss4 material increases. Thus, a nonporous material contains twice as much sulfur and six times as much zinc as does a material of 20% porosity.

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Authors and Affiliations

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

    L. M. Korkh, L. I. Pugina, A. V. Perepelkin & I. M. Fedorchenko

Authors
  1. L. M. Korkh
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  2. L. I. Pugina
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  3. A. V. Perepelkin
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  4. I. M. Fedorchenko
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Additional information

Translated from Poroshkovaya Metallurgiya, No. 1 (97), pp. 18–22, January, 1971.

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Korkh, L.M., Pugina, L.I., Perepelkin, A.V. et al. Processes occurring during sintering of an iron-graphite material containing zinc sulfide. Powder Metall Met Ceram 10, 15–18 (1971). https://doi.org/10.1007/BF00798039

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  • DOI: https://doi.org/10.1007/BF00798039

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