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US09399814B2 Coated cutting tool 有权
涂层切割工具

Coated cutting tool
Abstract:
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.
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