Formation and Sintering of Boehmite and Aluminum Oxide Nanopowders

Formation and Sintering of Boehmite and Aluminum Oxide Nanopowders

Formation and sintering of nanostructured Al 2 O 3 and boehmite powders prepared by hydrothermal synthesis from aluminum powder are studied. Formation of workpieces (green bodies) is performed by extrusion, static and explosive pressing followed by high-temperature sintering. Use of explosive pressi...

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Veröffentlicht in:Refractories and industrial ceramics 2017-03, Vol.57 (6), p.655-660
Hauptverfasser: Bersh, A. V., Belyakov, A. V., Mazalov, D. Yu, Solov’ev, S. A., Sudnik, L. V., Fedotov, A. V.
Format: Artikel
Sprache:eng
Schlagworte:
Aluminum oxide
Boehmite
Ceramics
Characterization and Evaluation of Materials
Chemistry and Materials Science
Composites
Explosive forming
Extrusion
Formations
Glass
Materials Science
Nanostructure
Natural Materials
Powders (Particulate matter)
Pressing
Raw materials
Sintering
Sintering (powder metallurgy)
Workpieces
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Beschreibung
Zusammenfassung:Formation and sintering of nanostructured Al 2 O 3 and boehmite powders prepared by hydrothermal synthesis from aluminum powder are studied. Formation of workpieces (green bodies) is performed by extrusion, static and explosive pressing followed by high-temperature sintering. Use of explosive pressing increases raw material density, reduces the temperature for α-Al 2 O 3 formation, activates sintering, and improves ceramic operating properties.
ISSN:1083-4877
1573-9139
DOI:10.1007/s11148-017-0040-0