Study of the electrical properties of zirconia heaters at temperatures up to 2100�C

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

doi:10.1007/bf01283079

Cited by 3 publications

(2 citation statements)

References 3 publications

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“…Solid solutions based on ZrO 2 are suitable for the production of electric heaters for long-term operation in an oxidizing medium under high temperatures [ 1 ]. However, such heaters require preliminary heating to 1000 -1200°C because at low temperatures ZrO 2 possesses an insufficient electrical conductivity.…”

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confidence: 99%

Refractory articles based on the ZrO2-Y2O3(Nd2O3)-Cr2O3 systems

1996

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The nature of interactions in compositions of stabilized ZrO2 -rare-earth chromite at 1750°C and the technical properties of specimens of zirconia-chromite refractories are investigated. It is shown that the use of induction melting for stabilizing the cubic modification of ZrO2 is very effective if the material is intended for the production of conducting ceramics with high thermomechanical characteristics.

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confidence: 99%

Refractory articles based on the ZrO2-Y2O3(Nd2O3)-Cr2O3 systems

1996

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“…All of the above makes electrical HE made from zirconium dioxide particularly promising; as they can operate in the air environment at 2500 K surface temperatures for a long time. Their weak point may be low electrical conductivity of zirconium dioxide at temperatures below 1200 K. In [11] this problem was solved by using silicon carbide preliminary heaters in the furnace for high refractory materials.…”

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confidence: 99%

Theoretical Rationale of Heating Block for Testing Bench of Aerospace Crafts Thermal Protection Elements

Pétrova

Резник

2016

EPJ Web of Conferences

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Abstract. The theoretical rationale for the structural layout of a testing bench with zirconium dioxide heating elements on the basis of modelling radiative-conductive heat transfer are presented. The numerical simulation of radiative-conductive heat transfer for the two-dimensional scaled model of the testing segment with the finite-element analysis software package Ansys 15.0 are performed. The simulation results showed that for the selected layout of the heaters the temperature non-uniformity along the length of the sample over time will not exceed 3 % even at a temperature of 2000 K.

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