发明名称 |
Coated cutting tool |
摘要 |
The present invention provides a coated cutting tool comprising a substrate and a coating, where the coating comprises at least one compound layer deposited by cathodic arc deposition, which has a thickness of 10-30 μm characterized in that the coating has internal stress ranges from low tensile stresses, lower than 0.2 GPa, to compressive stresses, lower than 3 GPa. |
申请公布号 |
US9399814(B2) |
申请公布日期 |
2016.07.26 |
申请号 |
US201214345532 |
申请日期 |
2012.09.19 |
申请人 |
LAMINA TECHNOLOGIES S.A. |
发明人 |
Bohlmark Johan;Curtins Hermann;Kinell Axel |
分类号 |
B23B27/14;C23C14/06;C23C14/32;C23C14/58;H01J37/32 |
主分类号 |
B23B27/14 |
代理机构 |
Dann, Dorfman, Herrell & Skillman |
代理人 |
Netter, Jr. Robert C.;Dann, Dorfman, Herrell & Skillman |
主权项 |
1. A coated cutting tool comprising a substrate and a coating, where the coating comprises at least one compound layer comprising Ti1-xAlxN wherein 0.5<x<0.7 or 0.3<x<0.5, which is deposited by cathodic arc deposition, and which has a thickness of more than 15 μm and up to 30 μm, wherein the coating has compressive stresses of higher than 1.3 GPa and up to 2 GPa as determined by X-ray diffraction analysis using the sin2 Ψ method, and wherein said compound layer comprises a gradient with respect to said internal stress, with higher compressive stress towards the outer surface of said compound layer. |
地址 |
Yverdon-les-Bains CH |