Zirconia-carbon-containing refractory and method for producing same
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United States of America Patent
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Dec 27, 2011
Grant Date -
Sep 17, 2009
app pub date -
Mar 11, 2009
filing date -
Mar 13, 2008
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Abstract
component, and a carbonaceous material, in which the total volume of open pores and the carbonaceous material in the structure of the refractory is in the range of 25% to 42% by volume, open pores each having a diameter of 10 μm or more account for 30% or less of the total volume of open pores in the structure of the refractory, and carbonaceous material grains each having a maximum length exceeding 45 μm in the carbonaceous material in the zirconia-carbon-containing refractory account for less than 60% by mass of the total mass of the carbonaceous material except the bonding carbon in the zirconia-carbon-containing refractory.
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