ALUMINA SINTERED ARTICLE

ALUMINA SINTERED ARTICLE

An alumina sintered article comprising 99.3 mass % or more Al in terms of Al2O3, strontium and silicon is disclosed. The alumina sintered article also comprises alumina crystal grains and an oxide crystal comprising aluminum, silicon, strontium located at a triple pocket surrounded by three or more...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: YOKOMINE SHINYA, FURUSE TATSUJI, SENO HIROAKI
Format: Patent
Sprache:eng
Schlagworte:
ARTIFICIAL STONE
CEMENTS
CERAMICS
CHEMISTRY
COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS
CONCRETE
LIME, MAGNESIA
METALLURGY
REFRACTORIES
SLAG
TREATMENT OF NATURAL STONE
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Beschreibung
Zusammenfassung:An alumina sintered article comprising 99.3 mass % or more Al in terms of Al2O3, strontium and silicon is disclosed. The alumina sintered article also comprises alumina crystal grains and an oxide crystal comprising aluminum, silicon, strontium located at a triple pocket surrounded by three or more alumina crystal grains. The alumina sintered article improves dielectric loss in the megahertz to gigahertz bands while maintaining corrosion resistance, mechanical properties of alumina.