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1. (WO2017148885) CEMENTED CARBIDE WITH ALTERNATIVE BINDER

Pub. No.:    WO/2017/148885    International Application No.:    PCT/EP2017/054552
Publication Date: Sat Sep 09 01:59:59 CEST 2017 International Filing Date: Wed Mar 01 00:59:59 CET 2017
IPC: B22F 3/16
B22F 9/02
C04B 35/56
C04B 41/50
C22C 29/02
C22C 29/06
C22C 32/00
B23B 27/14
B24D 3/06
B22F 5/00
C04B 111/00
Applicants: SANDVIK INTELLECTUAL PROPERTY AB
Inventors: NORGREN, Susanne
HOLMSTRÖM, Erik
LINDER, David
Title: CEMENTED CARBIDE WITH ALTERNATIVE BINDER
Abstract:
The present invention relates to a cutting tool comprising a cemented carbide substrate, comprising WC, gamma phase and a binder phase, said substrate is provided with a binder phase enriched surface zone which is depleted of gamma phase, wherein no graphite and no eta phase is present in the microstructure and wherein the binder phase is a high entropy alloy.