Titanium carbonitride-based cermet cutting insert

Details Titanium carbonitride-based cermet cutting insert Titanium carbonitride-based cermet cutting insert

1994-10-12

1996-05-21

Walsh, Donald P.

Stock material or miscellaneous articles

All metal or with adjacent metals

Having metal particles

428546, 428547, 428551, 428552, 428569, 428568, B22F 706

Patent

active

055188222

ABSTRACT:
A TiCN-based cermet cutting insert superior in toughness with improved wear resistance includes a binding phase and at least two hard dispersion phases. One of the hard dispersion phases includes one of a duplex and triplex structure having a core structure containing at least one of titanium carbonitride and a carbonitride solid solution of Ti and one of a V, Cr, Ti, Nb, Zr, W and Mo (hereinafter referred to as a (Ti,M)CN. The other hard dispersion phase includes a single structure wherein the core structure is composed of at least one of (Ti,M)CN or (Ti,M)CN and TiCN.

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patent: 5149595 (1992-09-01), Kojo et al.
patent: 5348806 (1994-09-01), Kojo et al.
patent: 5370719 (1994-12-01), Teruuchi et al.

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