CEMENTED CARBIDE INSERT WITH ETA-PHASE CORE

CEMENTED CARBIDE INSERT WITH ETA-PHASE CORE

A method of treating a cemented carbide insert for rock drilling and mineral cutting comprising a core of cemented carbide and a surface zone of cemented carbide wherein the core further contains eta-phase and the surface zone is free of eta-phase, and wherein the mining insert is subjected to a sur...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: LILJA, Mirjam, ARVANITIDIS, Ioannis
Format: Patent
Sprache:eng
Schlagworte:
ALLOYS
CASTING
CHEMISTRY
FERROUS OR NON-FERROUS ALLOYS
MAKING METALLIC POWDER
MANUFACTURE OF ARTICLES FROM METALLIC POWDER
METALLURGY
PERFORMING OPERATIONS
POWDER METALLURGY
TRANSPORTING
TREATMENT OF ALLOYS OR NON-FERROUS METALS
WORKING METALLIC POWDER
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Beschreibung
Zusammenfassung:A method of treating a cemented carbide insert for rock drilling and mineral cutting comprising a core of cemented carbide and a surface zone of cemented carbide wherein the core further contains eta-phase and the surface zone is free of eta-phase, and wherein the mining insert is subjected to a surface hardening process wherein the surface hardening process is executed at an elevated temperature of or above 50°C.