Application of Cutting Edges with High Durability Made of Nanocrystalline Cemented Carbides
[ 1 ] Instytut Technologii Mechanicznej, Wydział Budowy Maszyn i Zarządzania, Politechnika Poznańska | [ P ] employee
2017
chapter in monograph
english
- sintered nanocrystalline carbides
- cutting tools
- PPS method
- growth inhibitor
EN This chapter presents the results of the wear and durability investigations of cutting insert edges made of Nano_WC-5Co and Nano_WC-5Co + Cr3C2 nanocrystalline sintered carbides. Cutting inserts were sintered using nanocrystalline powder by the pulse-plasma method. Durability of the cutting edges was determined during turning of EN 1.45.41 (1H18N9T) austenitic steel. The Nano_WC-5Co + 0.9% Cr3C2 nanocrystalline cemented carbides have much higher hardness and smaller average grain size than the Nano_WC-5Co nanocrystalline carbides without growth inhibitor. For these reasons, cutting inserts made of the nanocrystalline cemented carbides with 0.9% Cr3C2 by weight exhibited significantly greater resistance to wear and greater durability during machining of austenitic steel.
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