PRODUCTION OF EASY-TO-SINTER ALUMINUM POWDER

PURPOSE:To obtain the title aluminum powder having excellent fluidity and capable of providing a compact having excellent sintering property, sintering density, and mechanical strength by granulating and drying a hydrosol wherein specified hydrated alumina is dispersed, and then calcining the granul...

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Bibliographische Detailangaben
Hauptverfasser:	HARATO TAKUO, OGAWA TORU, UMEZAKI HIROSHI, FURUBAYASHI TOSHIKI, ASHITANI TOSHIO
Format:	Patent
Sprache:	eng
Schlagworte:	ARTIFICIAL STONE CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM,CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THERARE-EARTH METALS CONCRETE INORGANIC CHEMISTRY LIME, MAGNESIA METALLURGY REFRACTORIES SLAG TREATMENT OF NATURAL STONE
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Beschreibung
Zusammenfassung:	PURPOSE:To obtain the title aluminum powder having excellent fluidity and capable of providing a compact having excellent sintering property, sintering density, and mechanical strength by granulating and drying a hydrosol wherein specified hydrated alumina is dispersed, and then calcining the granules. CONSTITUTION:The hydrated alumina having a boehmite structure, wherein 0.1-20wt.% alpha-alumina having 10-70% alpha-coherency and =1000 deg.C for several minutes to ten-odd hours, and then disintegrated by a ball mill, etc., to obtain the title uniform powder having