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Properties of fused silica ceramics

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Conclusions

We investigated the relationship between thermal conductivity, specific heat, and temperature conductivity of fused silica ceramics with a true porosity of 1.5–28%, and temperature. Above 500°C we detected a sharp deviation in the thermal conductivity of fused silica ceramics from this factor recorded for fused silica. The deviation is explained by the presence of straight-through radiant heat currents during the tests of the fused silica.

We established a linear relationship between static and dynamic elasticity modulus and porosity, but could not detect a relationship for temperature.

We investigated the relationship between the most probable bending strength value and porosity. This relationship can be described by the exponent with an accuracy of up to 4%.

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Authors
  1. A. G. Romashin
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  2. Yu. E. Pivinskii
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Additional information

Translated from Ogneupory, No. 9, pp. 58–63, September, 1968.

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Romashin, A.G., Pivinskii, Y.E. Properties of fused silica ceramics. Refractories 9, 590–595 (1968). https://doi.org/10.1007/BF01283506

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