Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Björn Ljungberg0
Date of Patent
February 2, 2010
0Patent Application Number
113597480
Date Filed
February 23, 2006
0Patent Primary Examiner
Patent 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 Al2O3 followed by a second wet blasting treatment with a slurry of F320 grits of Al2O3.
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