ELECTRICAL RESISTIVITY OF SPECIALIZED REFRACTORIES*
- 1 November 1932
- journal article
- Published by Wiley in Journal of the American Ceramic Society
- Vol. 15 (11) , 598-610
- https://doi.org/10.1111/j.1151-2916.1932.tb13895.x
Abstract
Tests were made of the electrical resistivity of twelve commercially used special refractory brick at temperatures up to 1300°C. Standard 9‐inch brick were tested using apparatus which is standard equipment and readily obtainable. Temperature lag was eliminated by constant heating over a prolonged period of time at given temperatures. Results obtained indicate a decrease in resistivity with prolonged heating for some classes of refractories.Those refractories composed of minerals of the same petrographic classification appear to undergo the least change.Keywords
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