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Making heating elements on the basis of zirconium dioxide for high-temperature furnaces

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Refractories Aims and scope

Conclusions

A technology was developed and resistor elements designed on the basis of zirconium dioxide for operation in air at up to 2100°C.

We also developed a design for test rigs which include a furnace for individual testing of the heating elements and a furnace with three zirconia elements, and also an electric operating circuit with automatic control with respect to the working current of the heating elements.

The results of tests show that in the working region of the furnace with three zirconia elements it is possible to carry out heating in an air atmosphere up to 1950°C, with a surface temperature on the hightemperature part of the heating elements of 2050–2100°C. One of the essential conditions for operating such furnaces is individual current regulation of each element.

The furnace of the construction described can be used for laboratory testing with the single use of the heating elements, maintaining them at the maximum temperature for a period of several tenths of an hour.

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Literature cited

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Authors and Affiliations

  1. East Institute of Refractories, USSR

    D. S. Rutman, G. A. Taksis, Yu. S. Toropov & A. F. Maurin

Authors
  1. D. S. Rutman
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  2. G. A. Taksis
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  3. Yu. S. Toropov
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  4. A. F. Maurin
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Additional information

Translated from Ogneupory, No. 1, pp. 36–41, January, 1971.

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Rutman, D.S., Taksis, G.A., Toropov, Y.S. et al. Making heating elements on the basis of zirconium dioxide for high-temperature furnaces. Refractories 12, 42–47 (1971). https://doi.org/10.1007/BF01289853

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  • DOI: https://doi.org/10.1007/BF01289853

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