SILICON NITRIDE SINTERED COMPACT, CUTTING TOOL, CUTTING INSERT AND TOOL

SILICON NITRIDE SINTERED COMPACT, CUTTING TOOL, CUTTING INSERT AND TOOL

PROBLEM TO BE SOLVED: To provide a silicon nitride sintered compact having high hardness and excellent wear resistance, and to provide a cutting tool, a cutting insert and a tool formed of the silicon nitride sintered compact. SOLUTION: The silicon nitride sintered compact comprises: α-silicon nitri...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: TOYODA RYOJI, HATANO YUUKI
Format: Patent
Sprache:eng
Schlagworte:
ARTIFICIAL STONE
BORING
CEMENTS
CERAMICS
CHEMISTRY
COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS
CONCRETE
LIME, MAGNESIA
MACHINE TOOLS
METAL-WORKING NOT OTHERWISE PROVIDED FOR
METALLURGY
PERFORMING OPERATIONS
REFRACTORIES
SLAG
TRANSPORTING
TREATMENT OF NATURAL STONE
TURNING
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide a silicon nitride sintered compact having high hardness and excellent wear resistance, and to provide a cutting tool, a cutting insert and a tool formed of the silicon nitride sintered compact. SOLUTION: The silicon nitride sintered compact comprises: α-silicon nitride and β-silicon nitride as main phases; and 10-40 mol% titanium carbonitride having ≤1.0 μm average particle diameter. COPYRIGHT: (C)2008,JPO&INPIT