Coated cutting tool member

Details Coated cutting tool member Coated cutting tool member

2007-08-21

2007-08-21

Turner, Archene (Department: 1775)

Stock material or miscellaneous articles

Composite

Of inorganic material

C051S307000, C051S309000, C427S192000, C427S192000, C427S192000, C427S192000, C428S216000, C428S336000, C428S698000, C428S704000

Reexamination Certificate

active

10519794

ABSTRACT:
A coated cutting tool member exhibiting not only a superior wear resistance during a high speed cutting operation in which a significant amount of heat is generated, but also exhibit a superior shipping resistance even when such a cutting operation is performed under severe conditions, such as with a large depth of cut or a large feed. In the coated cutting tool member, a hard coating layer of one of nitride compound and carbonitride compound containing Ti and Al is formed using a physical vapor deposition method at an average thickness of 1 to 10 μm, and the hard coating layer includes Zr at an atomic ratio of 0.002 to 0.1, and at least one of Y and Ce at an atomic ratio of 0.0005 to 0.05 in a coexistence state.

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