Layered coated cutting tool

Details Layered coated cutting tool Layered coated cutting tool

2011-07-18

2011-12-13

Turner, Archene (Department: 1784)

Chemistry: electrical and wave energy

Processes and products

Coating, forming or etching by sputtering

C204S192120, C204S192150, C407S119000, C427S419100, C427S419700

Reexamination Certificate

active

08075744

ABSTRACT:
A cutting tool insert is formed from a substrate selected from cemented carbide, cermet, ceramics, cubic boron nitride based material or high speed steel. The insert includes a hard and wear-resistant coating formed from laminar polycrystalline metal nitrides layers. The laminar polycrystalline metal nitrides layers have a repetitive form . . . A/B/A/C/A/B/A/C/ . . . with a total thickness of about 0.5 μm to about 5 μm.

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