Coated cutting tool insert

Details Coated cutting tool insert Coated cutting tool insert

2006-02-23

2010-02-02

Turner, Archene (Department: 1794)

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

C051S307000, C051S309000, C407S119000, C428S336000, C428S698000, C428S701000, C428S702000

Reexamination Certificate

active

07655293

ABSTRACT:
A CVD-coated cutting tool insert with a TiCxNy-layer with a low tensile stress level of 10-300 MPa and an α-Al2O3-layer with a high surface smoothness of <0.1 μm as measured by AFM-technique is disclosed. This is obtained by subjecting the coating to a first intensive wet blasting operation with a slurry of F80 grits of Al2O3followed by a second wet blasting treatment with a slurry of F320 grits of Al2O3.

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Ismail C. Noyan et al. “Residual Stress, Measurement by Diffraction and Interpretation.” pp. 117-130. Jun. 2000.

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