Акционерное общество открытого типа "Всероссийский алюминиево-магниевый институт" (RU)
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Application filed by Акціонєрноє Общєство Откритого Тіпа "Всєроссійскій Алюмінієво-Магнієвий Інстітут", Акционерное общество открытого типа "Всероссийский алюминиево-магниевый институт" (RU)filedCriticalАкціонєрноє Общєство Откритого Тіпа "Всєроссійскій Алюмінієво-Магнієвий Інстітут"
Publication of UA21929C2publicationCriticalpatent/UA21929C2/en
Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals
(AREA)
Abstract
A process for preparation of low-alkali special alumina comprises activation of aluminum hydroxide by the heating. The activation is carried out with the rate of 200-250°C/sec during 2-3 sec. The invention relates to non-ferrous metallurgy and is used for obtaining of alumina ceramics, manufacturing of integral microschemes, alumina substrates etc.
UA93005448A1992-07-061993-06-24The process for preparation of low-alkali special alumina
UA21929C2
(en)