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Technology of sintering of powder metallurgical materials without a circulating protective atmosphere

  • Theory and Technology of Sintering, Thermal, and Chemicothermal Treatment Processes
  • Published:
Soviet Powder Metallurgy and Metal Ceramics Aims and scope

Conclusions

Use of containers (boats) with liquid seals for sintering powder metallurgical materials makes it possible:

  1. a)

    to dispense with the drying of special circulating atmospheres;

  2. b)

    to simplify the construction of furnaces and increase their output;

  3. c)

    to lower substantially heat losses, which are 78% higher for furnaces with a protective atmossphere (for example, hydrogen) than for furnaces with an uncontrolled atmosphere [15]:

  4. d)

    to generate within the container any gaseous environment necessary for the removal of oxide films or for combining the sintering process with chemicothermal treatment;

  5. e)

    to establish, when sintering metals having a strong affinity for oxygen, a low pressure in a hermetically sealed volume (container) by means of getters.

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Authors and Affiliations

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

    I. M. Fedorchenko, I. G. Slys' & L. A. Sosnovskii

Authors
  1. I. M. Fedorchenko
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  2. I. G. Slys'
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  3. L. A. Sosnovskii
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Additional information

Translated from Poroshkovaya Metallurgiya, No. 5 (113), pp. 26–32, May, 1972.

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Fedorchenko, I.M., Slys', I.G. & Sosnovskii, L.A. Technology of sintering of powder metallurgical materials without a circulating protective atmosphere. Powder Metall Met Ceram 11, 361–366 (1972). https://doi.org/10.1007/BF00797738

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  • DOI: https://doi.org/10.1007/BF00797738

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