—bodies on the basis of molten aluminum oxide comprising an increased toughness and use thereof
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United States of America Patent
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May 2, 2017
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app pub date -
Oct 1, 2014
filing date -
Oct 4, 2013
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Abstract
The present invention relates to temperature-treated polycrystalline porous Al2O3 bodies comprising an amount of α aluminum oxide of more than 97% by weight, an amount of other oxide alloying components of a total of less than 3% by weight, a macroporosity of between 5 and 30% by volume, wherein the Al2O3 bodies are composed of a plurality of Al2O3 primary crystals comprising a crystallite size of between 20 and 100 μm.
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