Alumina sintered body, abrasive grain, and grinding wheel

Alumina sintered body, abrasive grain, and grinding wheel

To provide an alumina sintered body, abrasive grains, and a grinding wheel having high hardness and excellent wear resistance. An alumina sintered body comprising: an inner layer comprising alumina crystal grains; and an outer layer covering at least a part of the inner layer from outside, having a...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
1. Verfasser: Miyaishi, So
Format: Patent
Sprache:eng
Schlagworte:
ARTIFICIAL STONE
CEMENTS
CERAMICS
CHEMISTRY
COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS
CONCRETE
GRINDING
LIME, MAGNESIA
METALLURGY
PERFORMING OPERATIONS
POLISHING
REFRACTORIES
SLAG
TOOLS FOR GRINDING, BUFFING, OR SHARPENING
TRANSPORTING
TREATMENT OF NATURAL STONE
Online-Zugang:Volltext bestellen
Tags: Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
Beschreibung
Zusammenfassung:To provide an alumina sintered body, abrasive grains, and a grinding wheel having high hardness and excellent wear resistance. An alumina sintered body comprising: an inner layer comprising alumina crystal grains; and an outer layer covering at least a part of the inner layer from outside, having a higher content of an alkaline earth metal than the inner layer, and comprising alumina crystal grains, wherein the content of the alkaline earth metal in the outer layer is 1.0 to 30.0 mass % in terms of oxide, the alumina sintered body being free from silicon except unavoidable impurities.