Process for producing alumina whiskers

Alumina whiskers are produced by a process wherein aluminium is vaporized at from 1300-1600 DEG C. and carried by an atmosphere of moist hydrogen of dew point no higher than - 45.5 DEG C., containing 0.1 to 0.5 weight per cent sulphur, and whiskers are deposited on a growth substrate. Whiskers of le...

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Hauptverfasser:	UNTIEDT JOHN H, GATTI ARNO
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM,CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THERARE-EARTH METALS INORGANIC CHEMISTRY METALLURGY
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creator	UNTIEDT JOHN H GATTI ARNO
description	Alumina whiskers are produced by a process wherein aluminium is vaporized at from 1300-1600 DEG C. and carried by an atmosphere of moist hydrogen of dew point no higher than - 45.5 DEG C., containing 0.1 to 0.5 weight per cent sulphur, and whiskers are deposited on a growth substrate. Whiskers of length 0.5 to 40 microns are obtained depending on the time of growth. They may be produced batchwise or continuously as described in Specification 970,635.
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subjects	CHEMISTRY COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM,CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THERARE-EARTH METALS INORGANIC CHEMISTRY METALLURGY
title	Process for producing alumina whiskers
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