Soviet Powder Metallurgy and Metal Ceramics

, Volume 4, Issue 11, pp 942–946 | Cite as

High-temperature heaters of niobium and zirconium carbides

  • L. F. Mal'tseva
  • Yu. K. Lapshov
  • É. N. Marmer
  • G. V. Samsonov
Exchange of Experience and Information
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Summary

  1. 1.

    A method has been developed for producing experimental specimens of heaters in the form of tubes and rods of NbC.

     
  2. 2.

    A method was been worked out for testing the rod and tubular heaters.

     
  3. 3.

    Preliminary tests of the experimental NbC heaters showed that they hold promise for use in electric resistance furnaces.

     
  4. 4.

    The design features of electric furnaces with carbide heaters have been elicited.

     
  5. 5.

    It is necessary to note the inadequate mechanical strength of the heaters which is due to imperfections in extrusion methods. This can be eliminated by using the vacuum scheme of die extrusion, after which new tests must be performed.

     

Keywords

Furnace Zirconium Carbide Niobium Mechanical Strength 

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Literature cited

  1. 1.
    É. N. Marmer, Materials for Vacuum Electric Furnaces [in Russian], Gosénergoizdat, Moscow (1959).Google Scholar
  2. 2.
    G. V. Samsonov, Refractory Compounds [in Russian], Metallurgizdat, Moscow (1963).Google Scholar
  3. 3.
    É. N. Marmer, L. F. Mal'tseva, and L. G. Barabanova, Poroshkovaya metallurgiya, No. 5 (1963).Google Scholar
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    V. V. Fesenko and A. S. Bolgar, Poroshkovaya metallurgiya, No. 1 (1963).Google Scholar
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    R. I. Fries, J. Chem. Phys.,37, 320 (1962).Google Scholar
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    B. D. Pollok, J. Am. Chem. Soc., 65, No. 5, 731 (1961).Google Scholar
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    G. V. Samsonov and P. S. Kislyi, DAN UkrSSR, 1, 46 (1959).Google Scholar
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    G. V. Samsonov and P. S. Kislyi, Ogneupory, 6, 276 (1959).Google Scholar
  9. 9.
    G. V. Samsonov and P. S. Kislyi, New Method of Manufacturing Tubes and Rods of Refractory Compounds [in Russian], Izd. VNINITI GNTK and AN SSSR, Moscow (1959).Google Scholar

Copyright information

© Consultants Bureau 1966

Authors and Affiliations

  • L. F. Mal'tseva
    • 1
  • Yu. K. Lapshov
    • 1
  • É. N. Marmer
    • 1
  • G. V. Samsonov
    • 1
  1. 1.Institute of the Problems of Materials ScienceUkraine Academy of Sciences and the All-Union Research Institute of Electrothermal EquipmentUSSR

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