Process for producing sintered .alpha.-Al.sub.2 O.sub.3 bodies and their use
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United States of America Patent
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Sep 9, 1997
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N/A
app pub date -
Jan 24, 1996
filing date -
Feb 6, 1995
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Abstract
Microcrystalline bodies based on .alpha.-Al.sub.2 O.sub.3 are made by drying sub-micron powders, press compacting and shock sintering at an intermediate sinter temperature range of 1,300.degree. to 1,550.degree. C., i.e. bringing the compact up to such range in under 60 seconds, preferably under 10.
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