METHOD FOR PRODUCING ALUMINIUM POWDERS AND FINE POWDERS

FIELD: powder metallurgy, namely production of aluminium powders and fine powders, possibly in pyrotechnics, chemistry, electronics, power generation. SUBSTANCE: method comprises steps of spraying melt aluminium by means of air; further screening prepared powder and grinding it in gaseous medium con...

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Bibliographic Details
Main Authors VOLKOV I.V, PETROVICH S.JU, GOPIENKO V.G, STETSKIJ V.N, CHEREPANOV V.P, GALANOV A.I
Format Patent
LanguageEnglish
Russian
Published 20.05.2003
Edition7
Subjects
CASTING
MAKING METALLIC POWDER
MANUFACTURE OF ARTICLES FROM METALLIC POWDER
PERFORMING OPERATIONS
POWDER METALLURGY
TRANSPORTING
WORKING METALLIC POWDER
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Summary:FIELD: powder metallurgy, namely production of aluminium powders and fine powders, possibly in pyrotechnics, chemistry, electronics, power generation. SUBSTANCE: method comprises steps of spraying melt aluminium by means of air; further screening prepared powder and grinding it in gaseous medium containing nitrogen and oxygen; according to invention using as gaseous medium at screening powder gas generated at grinding powder and containing 5 - 8% of oxygen. EFFECT: possibility for simultaneous production of powders and fine powders without specially generating nitrogen, enhanced effectiveness of production of process. 1 dwg, 1 tbl, 1 ex
Bibliography:Application Number: RU20010123641