Reactive zirconium oxide and its preparation
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United States of America Patent
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Aug 7, 1990
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N/A
app pub date -
Mar 17, 1989
filing date -
Mar 22, 1988
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Expired
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Abstract
The invention relates to the chemistry of zirconium. It relates particularly to a reactive zirconium oxide in the form of fine particles whose median diameter does not exceed 10 .mu.m, which has a structure chosen from the amorphous structure and the structure crystallized in the tetragonal form, the size of the elementary coherence regions in the latter case being between 10 and 30 nm, and which has a B.E.T. surface area of at least 30 m.sup.2 /g, and to a process for its preparation. Use in the field of ceramic materials.
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