WC-BASED CEMENTED CARBIDE DRILL EXCELLENT IN BREAKAGE RESISTANCE

PROBLEM TO BE SOLVED: To provide a WC-based cemented carbide drill which improves toughness without lowering hardness and rigidity and has enhanced defect resistance.SOLUTION: In a WC-based cemented carbide drill, a WC-based cemented carbide satisfies expressions of 6≤x≤14, 0.4≤y≤0.8, 0≤z≤0.6 and (y...

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Bibliographische Detailangaben

Hauptverfasser:	NAKANISHI YUKIHITO, SAITO MASANORI, HONMA HISASHI, HATORI AKIRA
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	ALLOYS BORING CHEMISTRY FERROUS OR NON-FERROUS ALLOYS MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR METALLURGY PERFORMING OPERATIONS TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS TURNING
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