Surface-coated cermet cutting tool with hard coating layer...

Details Surface-coated cermet cutting tool with hard coating layer... Surface-coated cermet cutting tool with hard coating layer...

2005-08-04

2008-09-09

Turner, Archene (Department: 1794)

Stock material or miscellaneous articles

Composite

Of inorganic material

C051S307000, C051S309000, C407S119000, C428S212000, C428S216000, C428S336000, C428S701000, C428S702000

Reexamination Certificate

active

07422806

ABSTRACT:
A surface-coated cermet cutting tool with a hard coating layer in a high-speed intermittent cutting work is provided. The hard-coating layer includes lower and upper layers. One of the lower layers is a titanium carbonitride layer, which has the highest peak in Σ3 and a distribution ratio of the Σ3 to ΣN+1 ranges 60% to 80% in the atom sharing lattice point distribution graph.

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